COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
diff --git a/arm_compute/runtime/Array.h b/arm_compute/runtime/Array.h
new file mode 100644
index 0000000..c8a240e
--- /dev/null
+++ b/arm_compute/runtime/Array.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_ARRAY_H__
+#define __ARM_COMPUTE_ARRAY_H__
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/IArray.h"
+#include "arm_compute/core/Types.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+/** Basic implementation of the IArray interface which allocates a static number of T values */
+template <class T>
+class Array : public IArray<T>
+{
+public:
+ /** Default constructor: empty array */
+ Array()
+ : IArray<T>(0), _values(nullptr)
+ {
+ }
+ /** Constructor: initializes an array which can contain up to max_num_points values
+ *
+ * @param[in] max_num_values Maximum number of values the array will be able to stored
+ */
+ Array(size_t max_num_values)
+ : IArray<T>(max_num_values), _values(arm_compute::cpp14::make_unique<T[]>(max_num_values))
+ {
+ }
+
+ // Inherited methods overridden:
+ T *buffer() const override
+ {
+ return _values.get();
+ }
+
+private:
+ std::unique_ptr<T[]> _values;
+};
+
+using KeyPointArray = Array<KeyPoint>;
+using Coordinates2DArray = Array<Coordinates2D>;
+using DetectionWindowArray = Array<DetectionWindow>;
+using Size2DArray = Array<Size2D>;
+using UInt8Array = Array<uint8_t>;
+using UInt16Array = Array<uint16_t>;
+using UInt32Array = Array<uint32_t>;
+using Int16Array = Array<int16_t>;
+using Int32Array = Array<int32_t>;
+using FloatArray = Array<float>;
+}
+#endif /* __ARM_COMPUTE_ARRAY_H__ */
diff --git a/arm_compute/runtime/CL/CLArray.h b/arm_compute/runtime/CL/CLArray.h
new file mode 100644
index 0000000..f4c2ef0
--- /dev/null
+++ b/arm_compute/runtime/CL/CLArray.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLARRAY_H__
+#define __ARM_COMPUTE_CLARRAY_H__
+
+#include "arm_compute/core/CL/ICLArray.h"
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLScheduler.h"
+
+namespace arm_compute
+{
+/** CLArray implementation */
+template <class T>
+class CLArray : public ICLArray<T>
+{
+public:
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLArray(const CLArray &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ const CLArray &operator=(const CLArray &) = delete;
+ /** Constructor: initializes an array which can contain up to max_num_points values
+ *
+ * @param[in] max_num_values Maximum number of values the array will be able to stored
+ */
+ CLArray(size_t max_num_values)
+ : ICLArray<T>(max_num_values), _buffer(cl::Buffer(CLScheduler::get().context(), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_WRITE, max_num_values * sizeof(T)))
+ {
+ }
+ /** Enqueue a map operation of the allocated buffer.
+ *
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed.
+ */
+ void map(bool blocking = true)
+ {
+ ICLArray<T>::map(CLScheduler::get().queue(), blocking);
+ }
+ using ICLArray<T>::map;
+ /** Enqueue an unmap operation of the allocated and mapped buffer.
+ *
+ * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ */
+ void unmap()
+ {
+ ICLArray<T>::unmap(CLScheduler::get().queue());
+ }
+ using ICLArray<T>::unmap;
+
+ // Inherited methods overridden:
+ const cl::Buffer &cl_buffer() const override
+ {
+ return _buffer;
+ }
+
+protected:
+ // Inherited methods overridden:
+ uint8_t *do_map(cl::CommandQueue &q, bool blocking) override
+ {
+ ARM_COMPUTE_ERROR_ON(nullptr == _buffer.get());
+ return static_cast<uint8_t *>(q.enqueueMapBuffer(_buffer, blocking ? CL_TRUE : CL_FALSE, CL_MAP_READ | CL_MAP_WRITE, 0, this->max_num_values() * sizeof(T)));
+ }
+ void do_unmap(cl::CommandQueue &q, uint8_t *mapping) override
+ {
+ ARM_COMPUTE_ERROR_ON(nullptr == _buffer.get());
+ q.enqueueUnmapMemObject(_buffer, mapping);
+ }
+
+private:
+ cl::Buffer _buffer;
+};
+
+using CLKeyPointArray = CLArray<KeyPoint>;
+using CLCoordinates2DArray = CLArray<Coordinates2D>;
+using CLDetectionWindowArray = CLArray<DetectionWindow>;
+using CLSize2DArray = CLArray<Size2D>;
+using CLUInt8Array = CLArray<cl_uchar>;
+using CLUInt16Array = CLArray<cl_ushort>;
+using CLUInt32Array = CLArray<cl_uint>;
+using CLInt16Array = CLArray<cl_short>;
+using CLInt32Array = CLArray<cl_int>;
+using CLFloatArray = CLArray<cl_float>;
+}
+#endif /* __ARM_COMPUTE_CLARRAY_H__ */
diff --git a/arm_compute/runtime/CL/CLDistribution1D.h b/arm_compute/runtime/CL/CLDistribution1D.h
new file mode 100644
index 0000000..55dd124
--- /dev/null
+++ b/arm_compute/runtime/CL/CLDistribution1D.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLDISTRIBUTION1D_H__
+#define __ARM_COMPUTE_CLDISTRIBUTION1D_H__
+
+#include "arm_compute/core/CL/ICLDistribution1D.h"
+#include "arm_compute/core/CL/OpenCL.h"
+
+#include <cstddef>
+#include <cstdint>
+
+namespace arm_compute
+{
+/** CLDistribution1D object class */
+class CLDistribution1D : public ICLDistribution1D
+{
+public:
+ /** Constructor: Creates a 1D CLDistribution of a consecutive interval [offset, offset + range - 1]
+ * defined by a start offset and valid range, divided equally into num_bins parts.
+ *
+ * @param[in] num_bins The number of bins the distribution is divided in.
+ * @param[in] offset The start of the values to use.
+ * @param[in] range The total number of the consecutive values of the distribution interval.
+ */
+ CLDistribution1D(size_t num_bins, int32_t offset, uint32_t range);
+ /** Prevent instances of this class from being copied (As this class contains pointers). */
+ CLDistribution1D(const CLDistribution1D &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers). */
+ CLDistribution1D &operator=(const CLDistribution1D &) = delete;
+ /** Enqueue a map operation of the allocated buffer.
+ *
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed.
+ */
+ void map(bool blocking = true);
+ using ICLDistribution1D::map;
+ /** Enqueue an unmap operation of the allocated and mapped buffer.
+ *
+ * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ */
+ void unmap();
+ using ICLDistribution1D::unmap;
+
+ // Inherited methods overridden:
+ cl::Buffer &cl_buffer() override;
+
+protected:
+ // Inherited methods overridden:
+ uint32_t *do_map(cl::CommandQueue &q, bool blocking) override;
+ void do_unmap(cl::CommandQueue &q) override;
+
+private:
+ cl::Buffer _mem;
+};
+}
+#endif /* __ARM_COMPUTE_CLDISTRIBUTION1D_H__ */
diff --git a/arm_compute/runtime/CL/CLFunctions.h b/arm_compute/runtime/CL/CLFunctions.h
new file mode 100644
index 0000000..82929ba
--- /dev/null
+++ b/arm_compute/runtime/CL/CLFunctions.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLFUNCTIONS_H__
+#define __ARM_COMPUTE_CLFUNCTIONS_H__
+
+/* Header regrouping all the CL functions */
+#include "arm_compute/runtime/CL/functions/CLAbsoluteDifference.h"
+#include "arm_compute/runtime/CL/functions/CLAccumulate.h"
+#include "arm_compute/runtime/CL/functions/CLActivationLayer.h"
+#include "arm_compute/runtime/CL/functions/CLArithmeticAddition.h"
+#include "arm_compute/runtime/CL/functions/CLArithmeticSubtraction.h"
+#include "arm_compute/runtime/CL/functions/CLBatchNormalizationLayer.h"
+#include "arm_compute/runtime/CL/functions/CLBitwiseAnd.h"
+#include "arm_compute/runtime/CL/functions/CLBitwiseNot.h"
+#include "arm_compute/runtime/CL/functions/CLBitwiseOr.h"
+#include "arm_compute/runtime/CL/functions/CLBitwiseXor.h"
+#include "arm_compute/runtime/CL/functions/CLBox3x3.h"
+#include "arm_compute/runtime/CL/functions/CLCannyEdge.h"
+#include "arm_compute/runtime/CL/functions/CLChannelCombine.h"
+#include "arm_compute/runtime/CL/functions/CLChannelExtract.h"
+#include "arm_compute/runtime/CL/functions/CLColorConvert.h"
+#include "arm_compute/runtime/CL/functions/CLConvolution.h"
+#include "arm_compute/runtime/CL/functions/CLConvolutionLayer.h"
+#include "arm_compute/runtime/CL/functions/CLDepthConcatenate.h"
+#include "arm_compute/runtime/CL/functions/CLDepthConvert.h"
+#include "arm_compute/runtime/CL/functions/CLDerivative.h"
+#include "arm_compute/runtime/CL/functions/CLDilate.h"
+#include "arm_compute/runtime/CL/functions/CLEqualizeHistogram.h"
+#include "arm_compute/runtime/CL/functions/CLErode.h"
+#include "arm_compute/runtime/CL/functions/CLFastCorners.h"
+#include "arm_compute/runtime/CL/functions/CLFillBorder.h"
+#include "arm_compute/runtime/CL/functions/CLFullyConnectedLayer.h"
+#include "arm_compute/runtime/CL/functions/CLGEMM.h"
+#include "arm_compute/runtime/CL/functions/CLGEMMInterleave4x4.h"
+#include "arm_compute/runtime/CL/functions/CLGEMMLowp.h"
+#include "arm_compute/runtime/CL/functions/CLGaussian3x3.h"
+#include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
+#include "arm_compute/runtime/CL/functions/CLGaussianPyramid.h"
+#include "arm_compute/runtime/CL/functions/CLHOGDescriptor.h"
+#include "arm_compute/runtime/CL/functions/CLHOGDetector.h"
+#include "arm_compute/runtime/CL/functions/CLHOGGradient.h"
+#include "arm_compute/runtime/CL/functions/CLHOGMultiDetection.h"
+#include "arm_compute/runtime/CL/functions/CLHarrisCorners.h"
+#include "arm_compute/runtime/CL/functions/CLHistogram.h"
+#include "arm_compute/runtime/CL/functions/CLIntegralImage.h"
+#include "arm_compute/runtime/CL/functions/CLLaplacianPyramid.h"
+#include "arm_compute/runtime/CL/functions/CLLaplacianReconstruct.h"
+#include "arm_compute/runtime/CL/functions/CLLocallyConnectedLayer.h"
+#include "arm_compute/runtime/CL/functions/CLMagnitude.h"
+#include "arm_compute/runtime/CL/functions/CLMeanStdDev.h"
+#include "arm_compute/runtime/CL/functions/CLMedian3x3.h"
+#include "arm_compute/runtime/CL/functions/CLMinMaxLocation.h"
+#include "arm_compute/runtime/CL/functions/CLNonLinearFilter.h"
+#include "arm_compute/runtime/CL/functions/CLNonMaximaSuppression3x3.h"
+#include "arm_compute/runtime/CL/functions/CLNormalizationLayer.h"
+#include "arm_compute/runtime/CL/functions/CLOpticalFlow.h"
+#include "arm_compute/runtime/CL/functions/CLPhase.h"
+#include "arm_compute/runtime/CL/functions/CLPixelWiseMultiplication.h"
+#include "arm_compute/runtime/CL/functions/CLPoolingLayer.h"
+#include "arm_compute/runtime/CL/functions/CLRemap.h"
+#include "arm_compute/runtime/CL/functions/CLScale.h"
+#include "arm_compute/runtime/CL/functions/CLScharr3x3.h"
+#include "arm_compute/runtime/CL/functions/CLSobel3x3.h"
+#include "arm_compute/runtime/CL/functions/CLSobel5x5.h"
+#include "arm_compute/runtime/CL/functions/CLSobel7x7.h"
+#include "arm_compute/runtime/CL/functions/CLSoftmaxLayer.h"
+#include "arm_compute/runtime/CL/functions/CLTableLookup.h"
+#include "arm_compute/runtime/CL/functions/CLThreshold.h"
+#include "arm_compute/runtime/CL/functions/CLTranspose.h"
+#include "arm_compute/runtime/CL/functions/CLWarpAffine.h"
+#include "arm_compute/runtime/CL/functions/CLWarpPerspective.h"
+
+#endif /* __ARM_COMPUTE_CLFUNCTIONS_H__ */
diff --git a/arm_compute/runtime/CL/CLHOG.h b/arm_compute/runtime/CL/CLHOG.h
new file mode 100644
index 0000000..9b4a303
--- /dev/null
+++ b/arm_compute/runtime/CL/CLHOG.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLHOG_H__
+#define __ARM_COMPUTE_CLHOG_H__
+
+#include "arm_compute/core/CL/ICLHOG.h"
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/HOGInfo.h"
+#include "arm_compute/core/Types.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+/** OpenCL implementation of HOG data-object */
+class CLHOG : public ICLHOG
+{
+public:
+ /** Default constructor */
+ CLHOG();
+ /** Allocate the HOG descriptor using the given HOG's metadata
+ *
+ * @param[in] input HOG's metadata used to allocate the HOG descriptor
+ */
+ void init(const HOGInfo &input);
+
+ /** Enqueue a map operation of the allocated buffer.
+ *
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed.
+ */
+ void map(bool blocking = true);
+ using ICLHOG::map;
+
+ /** Enqueue an unmap operation of the allocated and mapped buffer.
+ *
+ * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ */
+ void unmap();
+ using ICLHOG::unmap;
+
+ // Inherited method overridden:
+ void free() override;
+ const HOGInfo *info() const override;
+ const cl::Buffer &cl_buffer() const override;
+
+protected:
+ // Inherited methods overridden:
+ uint8_t *do_map(cl::CommandQueue &q, bool blocking) override;
+ void do_unmap(cl::CommandQueue &q) override;
+
+private:
+ HOGInfo _info;
+ cl::Buffer _buffer;
+};
+}
+#endif /* __ARM_COMPUTE_CLHOG_H__ */
diff --git a/arm_compute/runtime/CL/CLLut.h b/arm_compute/runtime/CL/CLLut.h
new file mode 100644
index 0000000..9bac2b4
--- /dev/null
+++ b/arm_compute/runtime/CL/CLLut.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLLUT_H__
+#define __ARM_COMPUTE_CLLUT_H__
+
+#include "arm_compute/core/CL/ICLLut.h"
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLLutAllocator.h"
+
+#include <cstddef>
+#include <cstdint>
+
+namespace arm_compute
+{
+class ILutAllocator;
+
+/** Basic implementation of the OpenCL lut interface */
+class CLLut : public ICLLut
+{
+public:
+ /** Constructor */
+ CLLut();
+ /** Constructor: initializes a LUT which can contain num_values values of data_type type.
+ *
+ * @param[in] num_elements Number of elements of the LUT.
+ * @param[in] data_type Data type of each element.
+ */
+ CLLut(size_t num_elements, DataType data_type);
+ /** Return a pointer to the lut's allocator
+ *
+ * @return A pointer to the lut's allocator
+ */
+ ILutAllocator *allocator();
+ /** Enqueue a map operation of the allocated buffer.
+ *
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed.
+ */
+ void map(bool blocking = true);
+ using ICLLut::map;
+ /** Enqueue an unmap operation of the allocated and mapped buffer.
+ *
+ * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ */
+ void unmap();
+ using ICLLut::unmap;
+
+ // Inherited methods overridden:
+ size_t num_elements() const override;
+ uint32_t index_offset() const override;
+ size_t size_in_bytes() const override;
+ DataType type() const override;
+ const cl::Buffer &cl_buffer() const override;
+ void clear() override;
+
+protected:
+ // Inherited methods overridden:
+ uint8_t *do_map(cl::CommandQueue &q, bool blocking) override;
+ void do_unmap(cl::CommandQueue &q) override;
+
+private:
+ CLLutAllocator _allocator; /**< Instance of the OpenCL lut allocator */
+};
+}
+#endif /*__ARM_COMPUTE_CLLUT_H__ */
diff --git a/arm_compute/runtime/CL/CLLutAllocator.h b/arm_compute/runtime/CL/CLLutAllocator.h
new file mode 100644
index 0000000..4648ffb
--- /dev/null
+++ b/arm_compute/runtime/CL/CLLutAllocator.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLLUTALLOCATOR_H__
+#define __ARM_COMPUTE_CLLUTALLOCATOR_H__
+
+#include "arm_compute/runtime/ILutAllocator.h"
+
+#include "arm_compute/core/CL/OpenCL.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+/** Basic implementation of a CL memory LUT allocator. */
+class CLLutAllocator : public ILutAllocator
+{
+public:
+ /** Default constructor. */
+ CLLutAllocator();
+ /** Default destructor. */
+ ~CLLutAllocator() = default;
+ /** Prevent instances of this class from being copied (As this class contains pointers). */
+ CLLutAllocator(const CLLutAllocator &) = delete;
+ /** Prevent instances of this class from being copy assigned (As this class contains pointers). */
+ const CLLutAllocator &operator=(const CLLutAllocator &) = delete;
+ /** Interface to be implemented by the child class to return the pointer to the mapped data. */
+ uint8_t *data();
+ /** Interface to be implemented by the child class to return the pointer to the CL data. */
+ const cl::Buffer &cl_data() const;
+ /** Enqueue a map operation of the allocated buffer on the given queue.
+ *
+ * @param[in,out] q The CL command queue to use for the mapping operation.
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed before using the returned mapping pointer.
+ *
+ * @return The mapping address.
+ */
+ uint8_t *map(cl::CommandQueue &q, bool blocking);
+ /** Enqueue an unmap operation of the allocated buffer on the given queue.
+ *
+ * @note This method simply enqueue the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ *
+ * @param[in,out] q The CL command queue to use for the mapping operation.
+ * @param[in] mapping The cpu mapping to unmap.
+ */
+ void unmap(cl::CommandQueue &q, uint8_t *mapping);
+
+protected:
+ /** Allocate num_elements() * sizeof(type()) of OpenCL memory. */
+ void allocate() override;
+ /** Call map() on the OpenCL buffer.
+ *
+ * @return A pointer to the beginning of the LUT's allocation.
+ */
+ uint8_t *lock() override;
+ /** Call unmap() on the OpenCL buffer. */
+ void unlock() override;
+
+private:
+ cl::Buffer _buffer; /**< OpenCL buffer containing the LUT data. */
+ uint8_t *_mapping; /**< Pointer to the CPU mapping of the OpenCL buffer. */
+};
+}
+
+#endif /* __ARM_COMPUTE_CLLUTALLOCATOR_H__ */
diff --git a/arm_compute/runtime/CL/CLMultiHOG.h b/arm_compute/runtime/CL/CLMultiHOG.h
new file mode 100644
index 0000000..17bb4e0
--- /dev/null
+++ b/arm_compute/runtime/CL/CLMultiHOG.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLMULTIHOG_H__
+#define __ARM_COMPUTE_CLMULTIHOG_H__
+
+#include "arm_compute/core/CL/ICLMultiHOG.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLHOG.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+/** Basic implementation of the CL multi HOG data-objects */
+class CLMultiHOG : public ICLMultiHOG
+{
+public:
+ /** Constructor
+ *
+ * @param[in] num_models Number of HOG data objects to contain
+ *
+ */
+ CLMultiHOG(size_t num_models);
+
+ // Inherited methods overridden:
+ size_t num_models() const override;
+ ICLHOG *cl_model(size_t index) override;
+ const ICLHOG *cl_model(size_t index) const override;
+
+private:
+ size_t _num_models;
+ std::unique_ptr<CLHOG[]> _model;
+};
+}
+#endif /*__ARM_COMPUTE_CLMULTIHOG_H__ */
diff --git a/arm_compute/runtime/CL/CLMultiImage.h b/arm_compute/runtime/CL/CLMultiImage.h
new file mode 100644
index 0000000..f70929d
--- /dev/null
+++ b/arm_compute/runtime/CL/CLMultiImage.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLMULTIIMAGE_H__
+#define __ARM_COMPUTE_CLMULTIIMAGE_H__
+
+#include "arm_compute/core/CL/ICLMultiImage.h"
+#include "arm_compute/core/MultiImageInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+#include <array>
+
+namespace arm_compute
+{
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic implementation of the CL multi-planar image interface */
+class CLMultiImage : public ICLMultiImage
+{
+public:
+ /** Constructor */
+ CLMultiImage();
+ /** Init the multi-planar image
+ *
+ * @param[in] width Width of the whole image
+ * @param[in] height Heigth of the whole image
+ * @param[in] format Format of the whole image
+ */
+ void init(unsigned int width, unsigned int height, Format format);
+ /** Init the multi-planar image
+ *
+ * @note Uses conservative padding strategy which fits all kernels.
+ *
+ * @param[in] width Width of the whole image
+ * @param[in] height Height of the whole image
+ * @param[in] format Format of the whole image
+ */
+ void init_auto_padding(unsigned int width, unsigned int height, Format format);
+ /** Allocated a previously initialised multi image
+ *
+ * @note The multi image must not already be allocated when calling this function.
+ *
+ **/
+ void allocate();
+
+ // Inherited methods overridden:
+ const MultiImageInfo *info() const override;
+ CLImage *cl_plane(unsigned int index) override;
+ const CLImage *cl_plane(unsigned int index) const override;
+
+private:
+ /** Init the multi-planar image
+ *
+ * @param[in] width Width of the whole image
+ * @param[in] height Height of the whole image
+ * @param[in] format Format of the whole image
+ * @param[in] auto_padding Specifies whether the image uses auto padding
+ */
+ void internal_init(unsigned int width, unsigned int height, Format format, bool auto_padding);
+
+ MultiImageInfo _info; /** Instance of the multi-planar image's meta data */
+ std::array<CLImage, 3> _plane; /* Instance CLImage to hold the planar's information */
+};
+}
+#endif /*__ARM_COMPUTE_CLMULTIIMAGE_H__ */
diff --git a/arm_compute/runtime/CL/CLPyramid.h b/arm_compute/runtime/CL/CLPyramid.h
new file mode 100644
index 0000000..5e0afb3
--- /dev/null
+++ b/arm_compute/runtime/CL/CLPyramid.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLPYRAMID_H__
+#define __ARM_COMPUTE_CLPYRAMID_H__
+
+#include "arm_compute/core/IPyramid.h"
+#include "arm_compute/core/PyramidInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+#include <cstddef>
+#include <memory>
+
+namespace arm_compute
+{
+class CLTensor;
+
+/** Basic implementation of the OpenCL pyramid interface */
+class CLPyramid : public IPyramid
+{
+public:
+ /** Default constructor */
+ CLPyramid();
+ /** Initialize pyramid data-object using the given Pyramid's metadata
+ *
+ * @param[in] info Pyramid's metadata
+ */
+ void init(const PyramidInfo &info);
+
+ /** Initialize pyramid data-object using the given Pyramid's metadata
+ *
+ * @note Uses conservative padding strategy which fits all kernels.
+ *
+ * @param[in] info Pyramid's metadata
+ */
+ void init_auto_padding(const PyramidInfo &info);
+
+ /** Allocate the planes in the pyramid
+ *
+ * @note The pyramid must not already be allocated when calling this function.
+ *
+ **/
+ void allocate();
+
+ // Inherited method overridden
+ const PyramidInfo *info() const override;
+ CLTensor *get_pyramid_level(size_t index) const override;
+
+private:
+ /** Initialize pyramid data-object using the given Pyramid's metadata
+ *
+ * @param[in] info Pyramid's metadata
+ * @param[in] auto_padding Specifies whether the image in the pyramid use auto padding
+ */
+ void internal_init(const PyramidInfo &info, bool auto_padding);
+
+ PyramidInfo _info;
+ std::unique_ptr<CLTensor[]> _pyramid;
+};
+}
+#endif /*__ARM_COMPUTE_CLPYRAMID_H__ */
diff --git a/arm_compute/runtime/CL/CLScheduler.h b/arm_compute/runtime/CL/CLScheduler.h
new file mode 100644
index 0000000..8e80259
--- /dev/null
+++ b/arm_compute/runtime/CL/CLScheduler.h
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSCHEDULER_H__
+#define __ARM_COMPUTE_CLSCHEDULER_H__
+
+#include "arm_compute/core/CL/CLHelpers.h"
+#include "arm_compute/core/CL/CLKernelLibrary.h"
+#include "arm_compute/core/CL/CLTypes.h"
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/Error.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLKernel;
+
+/** Provides global access to a CL context and command queue. */
+class CLScheduler
+{
+private:
+ /** Constructor */
+ CLScheduler();
+
+public:
+ /** Access the scheduler singleton.
+ *
+ * @return The scheduler
+ */
+ static CLScheduler &get();
+ /** Initialises the context and command queue used by the scheduler to default values
+ * and sets a default device and kernel path for the @ref CLKernelLibrary.
+ */
+ void default_init()
+ {
+ CLKernelLibrary::get().init("./cl_kernels/", cl::Context::getDefault(), cl::Device::getDefault());
+ init(cl::Context::getDefault(), cl::CommandQueue::getDefault(), cl::Device::getDefault());
+ }
+ /** Schedule the execution of the passed kernel if possible.
+ *
+ * @param[in] kernel Kernel to execute.
+ * @param[in] flush (Optional) Specifies if the command queue will be flushed after running the kernel.
+ */
+ void enqueue(ICLKernel &kernel, bool flush = true);
+
+ /** Initialises the context and command queue to be used by the scheduler.
+ *
+ * @param[in] context A CL context.
+ * @param[in] queue A CL command queue.
+ * @param[in] device A CL device.
+ */
+ void init(cl::Context context = cl::Context::getDefault(), cl::CommandQueue queue = cl::CommandQueue::getDefault(),
+ cl::Device device = cl::Device::getDefault())
+ {
+ _context = std::move(context);
+ _queue = std::move(queue);
+ _target = get_target_from_device(device);
+ }
+
+ /** Accessor for the associated CL context.
+ *
+ * @return A CL context.
+ */
+ cl::Context &context()
+ {
+ return _context;
+ }
+
+ /** Accessor to set the CL context to be used by the scheduler.
+ *
+ * @param[in] context A CL context.
+ */
+ void set_context(cl::Context context)
+ {
+ _context = std::move(context);
+ }
+
+ /** Accessor for the associated CL command queue.
+ *
+ * @return A CL command queue.
+ */
+ cl::CommandQueue &queue()
+ {
+ return _queue;
+ }
+
+ /** Get the target GPU.
+ *
+ * @return The target GPU.
+ */
+ GPUTarget target() const
+ {
+ return _target;
+ }
+
+ /** Accessor to set the CL command queue to be used by the scheduler.
+ *
+ * @param[in] queue A CL command queue.
+ */
+ void set_queue(cl::CommandQueue queue)
+ {
+ _queue = std::move(queue);
+ }
+
+ /** Accessor to set target GPU to be used by the scheduler.
+ *
+ * @param[in] target The target GPU.
+ */
+ void set_target(GPUTarget target)
+ {
+ _target = target;
+ }
+
+ /** Blocks until all commands in the associated command queue have finished. */
+ void sync()
+ {
+ _queue.finish();
+ }
+
+ /** Enqueues a marker into the associated command queue and return the event.
+ *
+ * @return An event that can be waited on to block the executing thread.
+ */
+ cl::Event enqueue_sync_event()
+ {
+ cl::Event event;
+ _queue.enqueueMarker(&event);
+
+ return event;
+ }
+
+private:
+ cl::Context _context;
+ cl::CommandQueue _queue;
+ GPUTarget _target;
+};
+}
+#endif /* __ARM_COMPUTE_CLSCHEDULER_H__ */
diff --git a/arm_compute/runtime/CL/CLSubTensor.h b/arm_compute/runtime/CL/CLSubTensor.h
new file mode 100644
index 0000000..4bab164
--- /dev/null
+++ b/arm_compute/runtime/CL/CLSubTensor.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSUBTENSOR_H__
+#define __ARM_COMPUTE_CLSUBTENSOR_H__
+
+#include "arm_compute/core/SubTensorInfo.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensorInfo;
+
+/** Basic implementation of the OpenCL sub-tensor interface */
+class CLSubTensor : public ICLTensor
+{
+public:
+ /** Constructor
+ *
+ * @param[in] parent Parent tensor
+ * @param[in] tensor_shape Shape of the subtensor
+ * @param[in] coords Coordinates of the first subtensor element inside the parent tensor.
+ */
+ CLSubTensor(ICLTensor *parent, const TensorShape &tensor_shape, const Coordinates &coords);
+ /** Destructor: free the tensor's memory */
+ ~CLSubTensor() = default;
+ /** Restrict instances of this class to be copy constructed */
+ CLSubTensor(const CLSubTensor &) = delete;
+ /** Restrict instances of this class to be copied */
+ CLSubTensor &operator=(const CLSubTensor &) = delete;
+ /** Allow instances of this class to be move constructed */
+ CLSubTensor(CLSubTensor &&) = default;
+ /** Allow instances of this class to be moved */
+ CLSubTensor &operator=(CLSubTensor &&) = default;
+
+ /** Enqueue a map operation of the allocated buffer.
+ *
+ * @note Mapping a subtensor will lead to the mapping of the whole parent tensor for now.
+ *
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed.
+ */
+ void map(bool blocking = true);
+ using ICLTensor::map;
+ /** Enqueue an unmap operation of the allocated and mapped buffer.
+ *
+ * @note Unmapping a subtensor will lead to the unmapping of the whole parent tensor for now.
+ *
+ * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ */
+ void unmap();
+ using ICLTensor::unmap;
+
+ /** Return the parent tensor of the subtensor
+ *
+ * @return Parent tensor
+ */
+ ICLTensor *parent();
+
+ // Inherited methods overridden:
+ ITensorInfo *info() const override;
+ ITensorInfo *info() override;
+ const cl::Buffer &cl_buffer() const override;
+
+protected:
+ // Inherited methods overridden:
+ uint8_t *do_map(cl::CommandQueue &q, bool blocking) override;
+ void do_unmap(cl::CommandQueue &q) override;
+
+private:
+ ICLTensor *_parent;
+ mutable SubTensorInfo _info;
+};
+}
+#endif /*__ARM_COMPUTE_CLSUBTENSOR_H__ */
diff --git a/arm_compute/runtime/CL/CLTensor.h b/arm_compute/runtime/CL/CLTensor.h
new file mode 100644
index 0000000..2c685d1
--- /dev/null
+++ b/arm_compute/runtime/CL/CLTensor.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLTENSOR_H__
+#define __ARM_COMPUTE_CLTENSOR_H__
+
+#include "arm_compute/core/CL/ICLTensor.h"
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/runtime/CL/CLTensorAllocator.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensorAllocator;
+class ITensorInfo;
+
+/** Basic implementation of the OpenCL tensor interface */
+class CLTensor : public ICLTensor
+{
+public:
+ /** Constructor */
+ CLTensor();
+ /** Return a pointer to the tensor's allocator
+ *
+ * @return A pointer to the tensor's allocator
+ */
+ ITensorAllocator *allocator();
+ /** Enqueue a map operation of the allocated buffer.
+ *
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed.
+ */
+ void map(bool blocking = true);
+ using ICLTensor::map;
+ /** Enqueue an unmap operation of the allocated and mapped buffer.
+ *
+ * @note This method simply enqueues the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ */
+ void unmap();
+ using ICLTensor::unmap;
+
+ // Inherited methods overridden:
+ TensorInfo *info() const override;
+ TensorInfo *info() override;
+ const cl::Buffer &cl_buffer() const override;
+
+protected:
+ // Inherited methods overridden:
+ uint8_t *do_map(cl::CommandQueue &q, bool blocking) override;
+ void do_unmap(cl::CommandQueue &q) override;
+
+private:
+ mutable CLTensorAllocator _allocator; /**< Instance of the OpenCL tensor allocator */
+};
+
+using CLImage = CLTensor;
+}
+#endif /*__ARM_COMPUTE_CLTENSOR_H__ */
diff --git a/arm_compute/runtime/CL/CLTensorAllocator.h b/arm_compute/runtime/CL/CLTensorAllocator.h
new file mode 100644
index 0000000..ed371e0
--- /dev/null
+++ b/arm_compute/runtime/CL/CLTensorAllocator.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLTENSORALLOCATOR_H__
+#define __ARM_COMPUTE_CLTENSORALLOCATOR_H__
+
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/runtime/ITensorAllocator.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+/** Basic implementation of a CL memory tensor allocator. */
+class CLTensorAllocator : public ITensorAllocator
+{
+public:
+ /** Default constructor. */
+ CLTensorAllocator();
+ /** Prevent instances of this class from being copied (As this class contains pointers). */
+ CLTensorAllocator(const CLTensorAllocator &) = delete;
+ /** Prevent instances of this class from being copy assigned (As this class contains pointers). */
+ CLTensorAllocator &operator=(const CLTensorAllocator &) = delete;
+ /** Allow instances of this class to be moved */
+ CLTensorAllocator(CLTensorAllocator &&) = default;
+ /** Allow instances of this class to be moved */
+ CLTensorAllocator &operator=(CLTensorAllocator &&) = default;
+ /** Default destructor */
+ ~CLTensorAllocator() = default;
+
+ /** Interface to be implemented by the child class to return the pointer to the mapped data. */
+ uint8_t *data();
+ /** Interface to be implemented by the child class to return the pointer to the CL data. */
+ const cl::Buffer &cl_data() const;
+ /** Enqueue a map operation of the allocated buffer on the given queue.
+ *
+ * @param[in,out] q The CL command queue to use for the mapping operation.
+ * @param[in] blocking If true, then the mapping will be ready to use by the time
+ * this method returns, else it is the caller's responsibility
+ * to flush the queue and wait for the mapping operation to have completed before using the returned mapping pointer.
+ *
+ * @return The mapping address.
+ */
+ uint8_t *map(cl::CommandQueue &q, bool blocking);
+ /** Enqueue an unmap operation of the allocated buffer on the given queue.
+ *
+ * @note This method simply enqueue the unmap operation, it is the caller's responsibility to flush the queue and make sure the unmap is finished before
+ * the memory is accessed by the device.
+ *
+ * @param[in,out] q The CL command queue to use for the mapping operation.
+ * @param[in] mapping The cpu mapping to unmap.
+ */
+ void unmap(cl::CommandQueue &q, uint8_t *mapping);
+
+ /** Allocate size specified by TensorInfo of OpenCL memory.
+ *
+ * @note: The tensor must not already be allocated when calling this function.
+ *
+ */
+ void allocate() override;
+
+ /** Free allocated OpenCL memory.
+ *
+ * @note The tensor must have been allocated when calling this function.
+ *
+ */
+ void free() override;
+
+protected:
+ /** Call map() on the OpenCL buffer.
+ *
+ * @return A pointer to the beginning of the tensor's allocation.
+ */
+ uint8_t *lock() override;
+ /** Call unmap() on the OpenCL buffer. */
+ void unlock() override;
+
+private:
+ cl::Buffer _buffer; /**< OpenCL buffer containing the tensor data. */
+ uint8_t *_mapping; /**< Pointer to the CPU mapping of the OpenCL buffer. */
+};
+}
+#endif /* __ARM_COMPUTE_CLTENSORALLOCATOR_H__ */
diff --git a/arm_compute/runtime/CL/ICLSimpleFunction.h b/arm_compute/runtime/CL/ICLSimpleFunction.h
new file mode 100644
index 0000000..130c58a
--- /dev/null
+++ b/arm_compute/runtime/CL/ICLSimpleFunction.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_ICLSIMPLEFUNCTION_H__
+#define __ARM_COMPUTE_ICLSIMPLEFUNCTION_H__
+
+#include "arm_compute/core/CL/ICLKernel.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+/** Basic interface for functions which have a single OpenCL kernel */
+class ICLSimpleFunction : public IFunction
+{
+public:
+ /** Default constructor */
+ ICLSimpleFunction();
+
+ // Inherited methods overridden:
+ void run() override final;
+
+protected:
+ std::unique_ptr<ICLKernel> _kernel; /**< Kernel to run */
+ CLFillBorderKernel _border_handler; /**< Kernel to handle borders */
+};
+}
+#endif /*__ARM_COMPUTE_ICLSIMPLEFUNCTION_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLAbsoluteDifference.h b/arm_compute/runtime/CL/functions/CLAbsoluteDifference.h
new file mode 100644
index 0000000..40ee396
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLAbsoluteDifference.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLABSOLUTEDIFFERENCE_H__
+#define __ARM_COMPUTE_CLABSOLUTEDIFFERENCE_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLAbsoluteDifferenceKernel
+ *
+ * @note The tensor data types for the inputs must be U8 or S16.
+ * @note The function calculates the absolute difference also when the 2 inputs have different tensor data types.
+ */
+class CLAbsoluteDifference : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function
+ *
+ * @param[in] input1 First input tensor. Data types supported: U8, S16
+ * @param[in] input2 Second input tensor. Data types supported: U8, S16
+ * @param[out] output Output tensor. Data types supported: U8, S16
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_CLABSOLUTEDIFFERENCE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLAccumulate.h b/arm_compute/runtime/CL/functions/CLAccumulate.h
new file mode 100644
index 0000000..51f6df9
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLAccumulate.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLACCUMULATE_H__
+#define __ARM_COMPUTE_CLACCUMULATE_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLAccumulateKernel */
+class CLAccumulate : public ICLSimpleFunction
+{
+public:
+ /** Set the input and accumulation tensors.
+ *
+ * @param[in] input Source tensor. Data types supported: U8.
+ * @param[out] accum Destination tensor. Data types supported: S16.
+ */
+ void configure(const ICLTensor *input, ICLTensor *accum);
+};
+
+/** Basic function to run @ref CLAccumulateWeightedKernel */
+class CLAccumulateWeighted : public ICLSimpleFunction
+{
+public:
+ /** Set the input and accumulation tensors, and the scale value.
+ *
+ * @param[in] input Source tensor. Data types supported: U8.
+ * @param[in] alpha The input scalar value with a value input the range of [0, 1.0]. Data types supported: F32.
+ * @param[in,out] accum Accumulated tensor. Data types supported: U8.
+ */
+ void configure(const ICLTensor *input, float alpha, ICLTensor *accum);
+};
+
+/** Basic function to run @ref CLAccumulateSquaredKernel */
+class CLAccumulateSquared : public ICLSimpleFunction
+{
+public:
+ /** Set the input and accumulation tensors and the shift value.
+ *
+ * @param[in] input Source tensor. Data types supported: U8.
+ * @param[in] shift The input with a value input the range of [0, 15]. Data types supported: U32.
+ * @param[in,out] accum Accumulated tensor. Data types supported: S16.
+ */
+ void configure(const ICLTensor *input, uint32_t shift, ICLTensor *accum);
+};
+}
+#endif /*__ARM_COMPUTE_CLACCUMULATE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLActivationLayer.h b/arm_compute/runtime/CL/functions/CLActivationLayer.h
new file mode 100644
index 0000000..6468c99
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLActivationLayer.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLACTIVATIONLAYER_H__
+#define __ARM_COMPUTE_CLACTIVATIONLAYER_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLActivationLayerKernel
+ *
+ * @note The function simulates an activation layer with the specified activation function.
+ */
+class CLActivationLayer : public ICLSimpleFunction
+{
+public:
+ /** Set the input and output tensor.
+ *
+ * @param[in] input Source tensor. Data types supported: F16, F32, U16, S16.
+ * @param[out] output Destination tensor. Data type should match the input data type.
+ * @param[in] act_info Activation layer parameters.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, ActivationLayerInfo act_info);
+};
+}
+#endif /* __ARM_COMPUTE_CLACTIVATIONLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLArithmeticAddition.h b/arm_compute/runtime/CL/functions/CLArithmeticAddition.h
new file mode 100644
index 0000000..feadf39
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLArithmeticAddition.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLARITHMETICADDITION_H__
+#define __ARM_COMPUTE_CLARITHMETICADDITION_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLArithmeticAdditionKernel
+ *
+ * @note The tensor data type for the inputs must be U8, S16, F16, F32.
+ * @note The function performs an arithmetic addition between two tensors.
+ */
+class CLArithmeticAddition : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and convertion policy.
+ *
+ * @param[in] input1 First tensor input. Data types supported: U8, S16, F16, F32.
+ * @param[in] input2 Second tensor input. Data types supported: U8, S16, F16, F32.
+ * @param[out] output Output tensor. Data types supported: U8 (Only if both inputs are U8), S16, F16, F32.
+ * @param[in] policy Policy to use to handle overflow.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, ConvertPolicy policy);
+};
+}
+#endif /* __ARM_COMPUTE_CLARITHMETICADDITION_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLArithmeticSubtraction.h b/arm_compute/runtime/CL/functions/CLArithmeticSubtraction.h
new file mode 100644
index 0000000..d7bb211
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLArithmeticSubtraction.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLARITHMETICSUBTRACTION_H__
+#define __ARM_COMPUTE_CLARITHMETICSUBTRACTION_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLArithmeticSubtractionKernel
+ *
+ * @note The tensor data type for the inputs must be U8, S16, F16, F32
+ * @note The function performs an arithmetic subtraction between two tensors.
+ */
+class CLArithmeticSubtraction : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and convertion policy.
+ *
+ * @param[in] input1 First tensor input. Data types supported: U8, S16, F16, F32.
+ * @param[in] input2 Second tensor input. Data types supported: U8, S16, F16, F32.
+ * @param[out] output Output tensor. Data types supported: U8 (Only if both inputs are U8), S16, F16, F32.
+ * @param[in] policy Policy to use to handle overflow.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, ConvertPolicy policy);
+};
+}
+#endif /* __ARM_COMPUTE_CLARITHMETICSUBTRACTION_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLBatchNormalizationLayer.h b/arm_compute/runtime/CL/functions/CLBatchNormalizationLayer.h
new file mode 100644
index 0000000..d766d1c
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLBatchNormalizationLayer.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLBATCHNORMALIZATIONLAYER_H__
+#define __ARM_COMPUTE_CLBATCHNORMALIZATIONLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLBatchNormalizationLayerKernel.h"
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLNormalizationLayerKernel and simulate a batch normalization layer.
+ *
+ * Batch normalization is calculated by:
+ * @f[ out_i = \gamma * (\frac{in_i - \mu_{B}}{\sqrt{\sigma^2_{B} + \epsilon}}) + \beta \equiv BN_{\gamma,\beta}(in_i) @f]
+ *
+ */
+class CLBatchNormalizationLayer : public IFunction
+{
+public:
+ /** Default constructor */
+ CLBatchNormalizationLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dimensions represent a single input with dimensions [width, height, FM].
+ * The rest are optional and used for representing batches. Data types supported: F32.
+ * @param[in] mean Mean values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] var Variance values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] gamma Gamma values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] beta Beta values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] epsilon Small value to avoid division with zero.
+ * @param[out] output Destination tensor. Output will have the same number of dimensions as input. Data type supported: same as @p input
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, const ICLTensor *mean, const ICLTensor *var, const ICLTensor *beta, const ICLTensor *gamma, float epsilon);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLBatchNormalizationLayerKernel _norm_kernel; /**< BatchNormalization layer kernel to run */
+};
+}
+#endif /* __ARM_COMPUTE_CLBATCHNORMALIZATIONLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLBitwiseAnd.h b/arm_compute/runtime/CL/functions/CLBitwiseAnd.h
new file mode 100644
index 0000000..a4a523b
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLBitwiseAnd.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLBITWISEAND_H__
+#define __ARM_COMPUTE_CLBITWISEAND_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLBitwiseAndKernel.
+ *
+ * @note The tensor data type for the inputs must be U8.
+ * @note The function performs a bitwise AND operation using the two input tensors.
+ */
+class CLBitwiseAnd : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function
+ *
+ * @param[in] input1 Input tensor. Data types supported: U8.
+ * @param[in] input2 Input tensor. Data types supported: U8.
+ * @param[out] output Output tensor. Data types supported: U8.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_CLBITWISEAND_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLBitwiseNot.h b/arm_compute/runtime/CL/functions/CLBitwiseNot.h
new file mode 100644
index 0000000..0ff16af
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLBitwiseNot.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLBITWISENOT_H__
+#define __ARM_COMPUTE_CLBITWISENOT_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLBitwiseNotKernel.
+ *
+ * @note The tensor data type for the inputs must be U8.
+ * @note The function performs a bitwise NOT operation on input tensor.
+ */
+class CLBitwiseNot : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function
+ *
+ * @param[in] input Input tensor. Data types supported: U8.
+ * @param[out] output Output tensor. Data types supported: U8.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_CLBITWISENOT_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLBitwiseOr.h b/arm_compute/runtime/CL/functions/CLBitwiseOr.h
new file mode 100644
index 0000000..880c476
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLBitwiseOr.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLBITWISEOR_H__
+#define __ARM_COMPUTE_CLBITWISEOR_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLBitwiseOrKernel.
+ *
+ * @note The tensor data type for the inputs must be U8.
+ * @note The function performs a bitwise OR operation using the two input tensors.
+ */
+class CLBitwiseOr : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function
+ *
+ * @param[in] input1 Input tensor. Data types supported: U8.
+ * @param[in] input2 Input tensor. Data types supported: U8.
+ * @param[out] output Output tensor. Data types supported: U8.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_CLBITWISEOR_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLBitwiseXor.h b/arm_compute/runtime/CL/functions/CLBitwiseXor.h
new file mode 100644
index 0000000..772dec2
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLBitwiseXor.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLBITWISEXOR_H__
+#define __ARM_COMPUTE_CLBITWISEXOR_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLBitwiseXorKernel.
+ *
+ * @note The tensor data type for the inputs must be U8.
+ * @note The function performs a bitwise XOR operation using the two input tensors.
+ */
+class CLBitwiseXor : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function
+ *
+ * @param[in] input1 Input tensor. Data types supported: U8.
+ * @param[in] input2 Input tensor. Data types supported: U8.
+ * @param[out] output Output tensor. Data types supported: U8.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_CLBITWISEXOR_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLBox3x3.h b/arm_compute/runtime/CL/functions/CLBox3x3.h
new file mode 100644
index 0000000..5e51c1a
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLBox3x3.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLBOX3X3_H__
+#define __ARM_COMPUTE_CLBOX3X3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute box filter 3x3. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLBox3x3Kernel
+ *
+ */
+class CLBox3x3 : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLBOX3X3_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLCannyEdge.h b/arm_compute/runtime/CL/functions/CLCannyEdge.h
new file mode 100644
index 0000000..e5a82b2
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLCannyEdge.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCANNYEDGE_H__
+#define __ARM_COMPUTE_CLCANNYEDGE_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLCannyEdgeKernel.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute canny edge on OpenCL. This function calls the following OpenCL kernels and functions:
+ *
+ * -# @ref CLFillBorderKernel (if border_mode == REPLICATE or border_mode == CONSTANT)
+ * -# @ref CLSobel3x3 (if gradient_size == 3) or @ref CLSobel5x5 (if gradient_size == 5) or @ref CLSobel7x7 (if gradient_size == 7)
+ * -# @ref CLGradientKernel
+ * -# @ref CLEdgeNonMaxSuppressionKernel
+ * -# @ref CLEdgeTraceKernel
+ *
+ */
+class CLCannyEdge : public IFunction
+{
+public:
+ /** Constructor */
+ CLCannyEdge();
+ /** Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data types supported: U8.
+ * @param[in] upper_thr Upper threshold used for the hysteresis.
+ * @param[in] lower_thr Lower threshold used for the hysteresis.
+ * @param[in] gradient_size Gradient size (3, 5 or 7).
+ * @param[in] norm_type Normalization type. if 1, L1-Norm otherwise L2-Norm.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type,
+ BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ virtual void run() override;
+
+private:
+ std::unique_ptr<IFunction> _sobel; /**< Pointer to Sobel kernel. */
+ CLGradientKernel _gradient; /**< Gradient kernel. */
+ CLFillBorderKernel _border_mag_gradient; /**< Fill border on magnitude tensor kernel */
+ CLEdgeNonMaxSuppressionKernel _non_max_suppr; /**< Non-Maxima suppression kernel. */
+ CLEdgeTraceKernel _edge_trace; /**< Edge tracing kernel. */
+ CLImage _gx; /**< Source tensor - Gx component. */
+ CLImage _gy; /**< Source tensor - Gy component. */
+ CLImage _mag; /**< Source tensor - Magnitude. */
+ CLImage _phase; /**< Source tensor - Phase. */
+ CLImage _nonmax; /**< Source tensor - Non-Maxima suppressed. */
+ CLImage _visited, _recorded, _l1_list_counter, _l1_stack; /**< Temporary tensors */
+};
+}
+
+#endif /* __ARM_COMPUTE_CLCANNYEDGE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLChannelCombine.h b/arm_compute/runtime/CL/functions/CLChannelCombine.h
new file mode 100644
index 0000000..337e6b4
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLChannelCombine.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCHANNELCOMBINE_H__
+#define __ARM_COMPUTE_CLCHANNELCOMBINE_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLMultiImage;
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to run @ref CLChannelCombineKernel to perform channel combination. */
+class CLChannelCombine : public ICLSimpleFunction
+{
+public:
+ /** Initialize function's inputs and outputs.
+ *
+ * @param[in] plane0 The 2D plane that forms channel 0. Must be of U8 format.
+ * @param[in] plane1 The 2D plane that forms channel 1. Must be of U8 format.
+ * @param[in] plane2 The 2D plane that forms channel 2. Must be of U8 format.
+ * @param[in] plane3 The 2D plane that forms channel 3. Must be of U8 format.
+ * @param[out] output The single planar output tensor.
+ */
+ void configure(const ICLTensor *plane0, const ICLTensor *plane1, const ICLTensor *plane2, const ICLTensor *plane3, ICLTensor *output);
+ /** Initialize function's inputs and outputs.
+ *
+ * @param[in] plane0 The 2D plane that forms channel 0. Must be of U8 format.
+ * @param[in] plane1 The 2D plane that forms channel 1. Must be of U8 format.
+ * @param[in] plane2 The 2D plane that forms channel 2. Must be of U8 format.
+ * @param[out] output The multi planar output image.
+ */
+ void configure(const ICLImage *plane0, const ICLImage *plane1, const ICLImage *plane2, ICLMultiImage *output);
+};
+}
+#endif /*__ARM_COMPUTE_CLCHANNELCOMBINE_H__*/
diff --git a/arm_compute/runtime/CL/functions/CLChannelExtract.h b/arm_compute/runtime/CL/functions/CLChannelExtract.h
new file mode 100644
index 0000000..1753374
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLChannelExtract.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCHANNELEXTRACT_H__
+#define __ARM_COMPUTE_CLCHANNELEXTRACT_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLMultiImage;
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to run @ref CLChannelExtractKernel to perform channel extraction. */
+class CLChannelExtract : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The input tensor to extract the channel from. Formats supported: Any single planar.
+ * @param[in] channel The channel to extract.
+ * @param[out] output The extracted channel. Must be of U8 format.
+ */
+ void configure(const ICLTensor *input, Channel channel, ICLTensor *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The multi-planar input image to extract channel from.
+ * @param[in] channel The channel to extract.
+ * @param[out] output The extracted 2D channel. Must be of U8 format.
+ */
+ void configure(const ICLMultiImage *input, Channel channel, ICLImage *output);
+};
+}
+#endif /*__ARM_COMPUTE_CLCHANNELEXTRACT_H__*/
diff --git a/arm_compute/runtime/CL/functions/CLColorConvert.h b/arm_compute/runtime/CL/functions/CLColorConvert.h
new file mode 100644
index 0000000..12457a0
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLColorConvert.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCOLORCONVERT_H__
+#define __ARM_COMPUTE_CLCOLORCONVERT_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLMultiImage;
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to run @ref CLColorConvertKernel
+ *
+ * @note The function performs color convert between images.
+ */
+class CLColorConvert : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The input single-planar tensor from which to convert
+ * @param[in] output The converted single-planar output tensor
+ */
+ void configure(const ICLTensor *input, ICLTensor *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The multi-planar input image from which to convert
+ * @param[in] output The converted single-planar output image
+ */
+ void configure(const ICLMultiImage *input, ICLImage *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The single-planar input image from which to convert
+ * @param[in] output The converted multi-planar output image
+ */
+ void configure(const ICLImage *input, ICLMultiImage *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The multi-planar input image from which to convert
+ * @param[in] output The converted multi-planar output image
+ */
+ void configure(const ICLMultiImage *input, ICLMultiImage *output);
+};
+}
+#endif /* __ARM_COMPUTE_CLCOLORCONVERT_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLConvolution.h b/arm_compute/runtime/CL/functions/CLConvolution.h
new file mode 100644
index 0000000..f526f6f
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLConvolution.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCONVOLUTION_H__
+#define __ARM_COMPUTE_CLCONVOLUTION_H__
+
+#include "arm_compute/core/CL/kernels/CLConvolutionKernel.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute convolution of size 3x3. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLConvolution3x3Kernel
+ *
+ */
+class CLConvolution3x3 : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8 or S16.
+ * @param[in] conv matrix_size x matrix_size S16 coefficients structured as a row-major 2D array in a linear buffer.
+ * @param[in] scale Scale of the convolution matrix. If 0 is passed, it will be set to the sum of the coefficients of the convolution or 1 if they add up to 0.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, const int16_t *conv, uint32_t scale, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+
+/** Basic function to execute square convolution.Currently it supports 5x5, 7x7, 9x9. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLConvolutionKernel or<br/>
+ * @ref CLSeparableConvolutionHorKernel and @ref CLSeparableConvolutionVertKernel (if convolution matrix is separable)
+ *
+ */
+template <unsigned int matrix_size>
+class CLConvolutionSquare : public IFunction
+{
+public:
+ /** Default constructor */
+ CLConvolutionSquare();
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8 or S16.
+ * @param[in] conv matrix_size x matrix_size S16 coefficients structured as a row-major 2D array in a linear buffer.
+ * @param[in] scale Scale of the convolution matrix. If 0 is passed, it will be set to the sum of the coefficients of the convolution or 1 if they add up to 0.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, const int16_t *conv, uint32_t scale, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overriden:
+ void run() override;
+
+private:
+ CLTensor _tmp; /**< temporary buffer for output of horizontal pass */
+ bool _is_separable; /**< true if the convolution can be separated */
+ CLSeparableConvolutionHorKernel<matrix_size> _kernel_hor; /**< kernel for horizontal pass of separated convolution */
+ CLSeparableConvolutionVertKernel<matrix_size> _kernel_vert; /**< kernel for vertical pass of separated convolution */
+ CLConvolutionKernel<matrix_size> _kernel; /**< kernel for non-separated convolution **/
+ CLFillBorderKernel _border_handler; /**< kernel for border handling */
+};
+
+/** Basic function to run 5x5 convolution. */
+using CLConvolution5x5 = CLConvolutionSquare<5>;
+/** Basic function to run 7x7 convolution. */
+using CLConvolution7x7 = CLConvolutionSquare<7>;
+/** Basic function to run 9x9 convolution. */
+using CLConvolution9x9 = CLConvolutionSquare<9>;
+
+/** Basic function to execute non-square convolution. This function calls the following CL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLConvolutionRectangleKernel or<br/>
+ *
+ * @note Convolution rectangle should have dimensions of 3, 5, 7, 9
+ */
+class CLConvolutionRectangle : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8 or S16.
+ * @param[in] conv Matrix_size x matrix_size S16 coefficients structured as a row-major 2D array in a linear buffer.
+ * @param[in] rows Rows of convolution kernel.
+ * @param[in] cols Columns of convolution kernel.
+ * @param[in] scale Scale of the convolution matrix. If 0 is passed, it will be set to the sum of the coefficients of the convolution or 1 if they add up to 0.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, const int16_t *conv, uint32_t rows, uint32_t cols, uint32_t scale, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLCONVOLUTION_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLConvolutionLayer.h b/arm_compute/runtime/CL/functions/CLConvolutionLayer.h
new file mode 100644
index 0000000..6a40396
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLConvolutionLayer.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLCONVOLUTIONLAYER_H__
+#define __ARM_COMPUTE_CLCONVOLUTIONLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLCol2ImKernel.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMMatrixMultiplyKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMTranspose1xWKernel.h"
+#include "arm_compute/core/CL/kernels/CLIm2ColKernel.h"
+#include "arm_compute/core/CL/kernels/CLWeightsReshapeKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Function to reshape and transpose the weights. This function calls the following kernels:
+ * -# @ref CLWeightsReshapeKernel
+ * -# @ref CLGEMMTranspose1xWKernel
+ */
+class CLConvolutionLayerReshapeWeights : public IFunction
+{
+public:
+ /** Constructor */
+ CLConvolutionLayerReshapeWeights();
+ /** Set the input and output tensors.
+ *
+ * @param[in] weights Weights tensor. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported: F32.
+ * @param[in] biases Biases tensor. Shared biases supported. Biases are 1D tensor with dimensions [OFM]. Data type supported: Same as @p weights.
+ * @param[out] output Destination tensor. Data types supported: Same as @p weights.
+ * @param[in] transpose1xW True if the weights are to undergo a 1xW transposition after reshaping (in case of GEMM operation), false otherwise.
+ * Data types supported: Same as @p weights.
+ */
+ void configure(const ICLTensor *weights, const ICLTensor *biases, ICLTensor *output, bool transpose1xW);
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLConvolutionLayerWeightsReshapeKernel _weights_reshape_kernel;
+ CLGEMMTranspose1xWKernel _weights_transposed_kernel;
+ CLTensor _weights_reshaped;
+ bool _transpose1xW;
+};
+
+/** Basic function to compute the convolution layer. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLConvolutionLayerWeightsReshapeKernel (executed only once for each configuration)
+ * -# @ref CLGEMMTranspose1xWKernel (executed only once for each configuration)
+ * -# @ref CLIm2ColKernel
+ * -# @ref CLGEMMInterleave4x4Kernel
+ * -# @ref CLGEMMMatrixMultiplyKernel
+ * -# @ref CLCol2ImKernel
+ */
+class CLConvolutionLayer : public IFunction
+{
+public:
+ /** Default constructor */
+ CLConvolutionLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dimensions represent a single input [width, height, IFM],
+ * while every optional dimension from 4 and above represent a batch of inputs.
+ * Data types supported: F16, F32.
+ * @param[in] weights Weights tensor. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported:Same as @p input.
+ * @param[in] biases Biases tensor. Shared biases supported. Biases are 1D tensor with dimensions [OFM]. Data type supported:Same as @p input.
+ * @param[out] output Destination tensor. 3 lower dimensions represent a single output [width, height, OFM], while the rest represent batch of outputs.
+ * Data types supported: Same as @p input.
+ * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo.
+ * @param[in] weights_info Specifies if the weights tensor has been reshaped with NEWeightsReshapeKernel. If this is not part of the fully connected layer the weights
+ * tensor has also been transposed with NEGEMMTranspose1xWKernel. Data type supported: Same as @p input.
+ */
+ void configure(const ICLTensor *input, const ICLTensor *weights, const ICLTensor *biases, ICLTensor *output, const PadStrideInfo &conv_info, const WeightsInfo &weights_info = WeightsInfo());
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLConvolutionLayerReshapeWeights _reshape_weights;
+ CLIm2ColKernel _input_im2col_kernel;
+ CLGEMMInterleave4x4Kernel _input_interleave_kernel;
+ CLGEMMMatrixMultiplyKernel _mm_kernel;
+ CLCol2ImKernel _output_col2im_kernel;
+ CLTensor _input_im2col_reshaped;
+ CLTensor _input_interleaved_reshaped;
+ CLTensor _weights_reshaped;
+ CLTensor _weights_transposed;
+ CLTensor _gemm_output;
+ bool _has_bias;
+ bool _is_fully_connected_convolution;
+ bool _are_weights_reshaped;
+};
+}
+#endif /* __ARM_COMPUTE_CLCONVOLUTIONLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLDepthConcatenate.h b/arm_compute/runtime/CL/functions/CLDepthConcatenate.h
new file mode 100644
index 0000000..3199936
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLDepthConcatenate.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLDEPTHCONCATENATE_H__
+#define __ARM_COMPUTE_CLDEPTHCONCATENATE_H__
+
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Window.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+#include <vector>
+
+namespace arm_compute
+{
+class ICLTensor;
+class CLDepthConcatenateKernel;
+class CLFillBorderKernel;
+
+/** Basic function to execute concatenate tensors along z axis. This function calls the following kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if input's lowest two dimensions are smaller than respective output's dimensions)
+ * -# @ref CLDepthConcatenateKernel
+ *
+ */
+class CLDepthConcatenate : public IFunction
+{
+public:
+ /** Default constructor */
+ CLDepthConcatenate();
+ /** Initialise the kernel's inputs vector and output.
+ *
+ * @param[in,out] inputs_vector The vectors containing all the tensors to concatenate. Data types supported: F32.
+ * @param[out] output Output tensor. Data types supported: F32.
+ */
+ void configure(std::vector<ICLTensor *> inputs_vector, ICLTensor *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ std::vector<ICLTensor *> _inputs_vector;
+ std::unique_ptr<CLDepthConcatenateKernel[]> _concat_kernels_vector;
+ std::unique_ptr<CLFillBorderKernel[]> _border_handlers_vector;
+ unsigned int _num_inputs;
+};
+}
+#endif /* __ARM_COMPUTE_CLDEPTHCONCATENATE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLDepthConvert.h b/arm_compute/runtime/CL/functions/CLDepthConvert.h
new file mode 100644
index 0000000..f110276
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLDepthConvert.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLDEPTHCONVERT_H__
+#define __ARM_COMPUTE_CLDEPTHCONVERT_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLDepthConvertKernel. */
+class CLDepthConvert : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination
+ *
+ * Input data type must be different than output data type.
+ *
+ * Valid conversions Input -> Output :
+ *
+ * - U8 -> U16, S16, U32, S32
+ * - U16 -> U8, U32, S32
+ * - S16 -> U8, U32, S32
+ * - U32 -> U8, U16, S16
+ * - S32 -> U8, U16, S16
+ *
+ * @param[in] input The input tensor to convert. Data types supported: U8, U16, S16, U32 or S32.
+ * @param[out] output The output tensor. Data types supported: U8, U16, S16, U32 or S32.
+ * @param[in] policy Conversion policy.
+ * @param[in] shift Value for down/up conversions. Must be 0 <= shift < 8.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, ConvertPolicy policy, uint32_t shift);
+};
+}
+#endif /*__ARM_COMPUTE_CLDEPTHCONVERT_H__*/
diff --git a/arm_compute/runtime/CL/functions/CLDerivative.h b/arm_compute/runtime/CL/functions/CLDerivative.h
new file mode 100644
index 0000000..05033e8
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLDerivative.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLDERIVATIVE_H__
+#define __ARM_COMPUTE_CLDERIVATIVE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute first order derivative operator. This function calls the following CL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLDerivativeKernel
+ *
+ */
+class CLDerivative : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination tensor. Derivative along the X direction. Data types supported: S16.
+ * @param[out] output_y (optional) Destination tensor. Derivative along the Y direction. Data types supported: S16.
+ * @param[in] border_mode Border mode to use
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /* __ARM_COMPUTE_CLDERIVATIVE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLDilate.h b/arm_compute/runtime/CL/functions/CLDilate.h
new file mode 100644
index 0000000..8534139
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLDilate.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLDILATE_H__
+#define __ARM_COMPUTE_CLDILATE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute dilate. This function calls the following OpenCL kernels:
+*
+* -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+* -# @ref CLDilateKernel
+*
+*/
+class CLDilate : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and border mode.
+ *
+ * @param[in,out] input First tensor input. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Output tensor. Data types supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value);
+};
+}
+#endif /*__ARM_COMPUTE_CLDILATE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLEqualizeHistogram.h b/arm_compute/runtime/CL/functions/CLEqualizeHistogram.h
new file mode 100644
index 0000000..d718275
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLEqualizeHistogram.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLEQUALIZEHISTOGRAM_H__
+#define __ARM_COMPUTE_CLEQUALIZEHISTOGRAM_H__
+
+#include "arm_compute/core/CL/kernels/CLHistogramKernel.h"
+#include "arm_compute/core/CL/kernels/CLTableLookupKernel.h"
+#include "arm_compute/runtime/CL/CLDistribution1D.h"
+#include "arm_compute/runtime/CL/CLLut.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to execute histogram equalization. This function calls the following CL kernels:
+ *
+ * -# @ref CLHistogramKernel
+ * -# @ref CLTableLookupKernel
+ *
+ */
+class CLEqualizeHistogram : public IFunction
+{
+public:
+ /** Default Constructor. */
+ CLEqualizeHistogram();
+ /** Initialise the kernel's inputs.
+ *
+ * @param[in] input Input image. Data types supported: U8.
+ * @param[out] output Output of same data type with equalized brightness and contrast.
+ */
+ void configure(const ICLImage *input, ICLImage *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLHistogramKernel _histogram_kernel; /**< Kernel that calculates the histogram of input. */
+ CLHistogramBorderKernel _border_histogram_kernel; /**< Kernel that calculates the histogram on the borders. */
+ CLTableLookupKernel _map_histogram_kernel; /**< Kernel that maps the input to output using the lut. */
+ CLDistribution1D _hist; /**< Distribution that holds the histogram of the input image. */
+ CLDistribution1D _cum_dist; /**< Distribution that holds the cummulative distribution of the input histogram. */
+ CLLut _cd_lut; /**< Holds the equalization lookuptable. */
+ static const uint32_t max_range = 256; /**< Histogram range of the internal histograms. */
+ static const uint32_t nr_bins = 256; /**< Histogram bins of the internal histograms. */
+};
+}
+#endif /*__ARM_COMPUTE_CLEQUALIZEHISTOGRAM_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLErode.h b/arm_compute/runtime/CL/functions/CLErode.h
new file mode 100644
index 0000000..cd2f551
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLErode.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLERODE_H__
+#define __ARM_COMPUTE_CLERODE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute erode. This function calls the following OpenCL kernels:
+*
+* -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+* -# @ref CLErodeKernel
+*
+*/
+class CLErode : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and border mode
+ *
+ * @param[in,out] input First tensor input. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Output tensor. Data types supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value);
+};
+}
+#endif /*__ARM_COMPUTE_CLERODE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLFastCorners.h b/arm_compute/runtime/CL/functions/CLFastCorners.h
new file mode 100644
index 0000000..79d82af
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLFastCorners.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLFASTCORNERS_H__
+#define __ARM_COMPUTE_CLFASTCORNERS_H__
+
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/CL/kernels/CLFastCornersKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/core/Window.h"
+#include "arm_compute/runtime/CL/CLArray.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/functions/CLNonMaximaSuppression3x3.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to execute fast corners. This function calls the following CL kernels:
+ *
+ * -# @ref CLFastCornersKernel
+ * -# @ref CLNonMaximaSuppression3x3Kernel (executed if nonmax_suppression == true)
+ * -# @ref CLCopyToArrayKernel
+ *
+ */
+class CLFastCorners : public IFunction
+{
+public:
+ /** Constructor */
+ CLFastCorners();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLFastCorners(const CLFastCorners &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ const CLFastCorners &operator=(const CLFastCorners &) = delete;
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in] input Source image. Data types supported: U8.
+ * @param[in] threshold Threshold on difference between intensity of the central pixel and pixels on Bresenham's circle of radius 3.
+ * @param[in] nonmax_suppression If true, non-maximum suppression is applied to detected corners before being placed in the array.
+ * @param[out] corners Array of keypoints to store the results.
+ * @param[in,out] num_corners Record number of corners in the array
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(const ICLImage *input, float threshold, bool nonmax_suppression, CLKeyPointArray *corners, unsigned int *num_corners,
+ BorderMode border_mode, uint8_t constant_border_value = 0);
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLFastCornersKernel _fast_corners_kernel;
+ CLNonMaximaSuppression3x3 _suppr_func;
+ CLCopyToArrayKernel _copy_array_kernel;
+ CLImage _output;
+ CLImage _suppr;
+ Window _win;
+ bool _non_max;
+ unsigned int *_num_corners;
+ cl::Buffer _num_buffer;
+ CLKeyPointArray *_corners;
+ uint8_t _constant_border_value;
+};
+}
+#endif /*__ARM_COMPUTE_CLFASTCORNERS_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLFillBorder.h b/arm_compute/runtime/CL/functions/CLFillBorder.h
new file mode 100644
index 0000000..b485547
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLFillBorder.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLFILLBORDER_H__
+#define __ARM_COMPUTE_CLFILLBORDER_H__
+
+#include "arm_compute/core/PixelValue.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLFillBorderKernel */
+class CLFillBorder : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function
+ *
+ * @param[in,out] tensor Source tensor. Data types supported: U8, S16
+ * @param[in] border_width The border width
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *tensor, unsigned int border_width, BorderMode border_mode, const PixelValue &constant_border_value = PixelValue());
+};
+}
+#endif /*__ARM_COMPUTE_FILLBORDER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLFullyConnectedLayer.h b/arm_compute/runtime/CL/functions/CLFullyConnectedLayer.h
new file mode 100644
index 0000000..826f445
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLFullyConnectedLayer.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLFULLYCONNECTEDLAYER_H__
+#define __ARM_COMPUTE_CLFULLYCONNECTEDLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMMatrixAccumulateBiasesKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMMatrixMultiplyKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMTranspose1xWKernel.h"
+#include "arm_compute/core/CL/kernels/CLIm2ColKernel.h"
+#include "arm_compute/core/CL/kernels/CLTransposeKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+namespace arm_compute
+{
+/** Basic function to reshape the weights of Fully Connected layer with OpenCL. This function calls the following kernels:
+ *
+ * -# @ref CLTransposeKernel (if @p transpose_weights is set to true)
+ * -# @ref CLGEMMTranspose1xWKernel (if @p is_batched_fc_layer is set to true)
+ *
+ * @note The fully connected layer accepts "weights" tensors only with 2 dimensions.
+ */
+class CLFullyConnectedLayerReshapeWeights : public IFunction
+{
+public:
+ /** Constructor */
+ CLFullyConnectedLayerReshapeWeights();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Weights tensor. The weights must be 2 dimensional. Data types supported: QS8/F32.
+ * @param[out] output Destination tensor. Data type supported: Same as @p input.
+ * @param[in] transpose_weights True if the weights must be transposed. Data types supported: Same as @p weights.
+ * @param[in] is_batched_fc_layer True if it is a batched fully connected layer
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, bool transpose_weights, bool is_batched_fc_layer);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLTransposeKernel _transpose_kernel;
+ CLGEMMTranspose1xWKernel _transpose1xW_kernel;
+ CLTensor _transpose_output;
+ bool _transpose_weights;
+ bool _is_batched_fc_layer;
+};
+
+/** Basic function to compute a Fully Connected layer on OpenCL. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLIm2ColKernel (called when the input comes from a convolutional layer)
+ * -# @ref CLFullyConnectedLayerReshapeWeights (if @p are_weights_reshaped is set to false) (called once)
+ * -# @ref CLGEMMInterleave4x4Kernel (called if we have a multi-batch input)
+ * -# @ref CLGEMMMatrixMultiplyKernel
+ * -# @ref CLGEMMMatrixAccumulateBiasesKernel (if @p biases is not equal to nullptr)
+ *
+ * @note The fully connected layer accepts "weights" tensors only with 2 dimensions.
+ */
+class CLFullyConnectedLayer : public IFunction
+{
+public:
+ /** Constructor */
+ CLFullyConnectedLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data type supported: F16/F32.
+ * @param[in] weights Weights tensor. The weights must be 2 dimensional. Data type supported: Same as @p input
+ * @param[in] biases Bias tensor. It can be nullptr. Data type supported:Same as @p input.
+ * @param[out] output Destination tensor. Data type supported: Same as @p input.
+ * @param[in] transpose_weights (Optional) Transpose weights if true. Defaults to true.
+ * @param[in] are_weights_reshaped (Optional) Reshape the weights tensor if false. Defaults to false.
+ */
+ void configure(const ICLTensor *input, const ICLTensor *weights, const ICLTensor *biases, ICLTensor *output, bool transpose_weights = true, bool are_weights_reshaped = false);
+
+ //Inherited methods override
+ void run() override;
+
+private:
+ void configure_fc_fc_wb(const ICLTensor *input, const ICLTensor *weights, ICLTensor *output);
+ void configure_fc_fc_nb(const ICLTensor *input, const ICLTensor *weights, ICLTensor *output);
+ void configure_conv_fc_wb(const ICLTensor *input, const ICLTensor *weights, ICLTensor *output);
+ void configure_conv_fc_nb(const ICLTensor *input, const ICLTensor *weights, ICLTensor *output);
+
+ CLIm2ColKernel _im2col_kernel;
+ CLFullyConnectedLayerReshapeWeights _reshape_weights_kernel;
+ CLGEMMInterleave4x4Kernel _interleave4x4_kernel;
+ CLGEMMMatrixMultiplyKernel _mm_kernel;
+ CLGEMMMatrixAccumulateBiasesKernel _accumulate_biases_kernel;
+ CLTensor _im2col_output;
+ CLTensor _interleave4x4_output;
+ CLTensor _reshape_weights_output;
+ bool _are_weights_reshaped;
+ bool _is_fc_after_conv;
+ bool _is_batched_fc_layer;
+ bool _accumulate_biases;
+};
+}
+#endif /* __ARM_COMPUTE_CLFULLYCONNECTEDLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLGEMM.h b/arm_compute/runtime/CL/functions/CLGEMM.h
new file mode 100644
index 0000000..043b2b8
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLGEMM.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLGEMM_H__
+#define __ARM_COMPUTE_CLGEMM_H__
+
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMMatrixAdditionKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMMatrixMultiplyKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMTranspose1xWKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute GEMM on OpenCL. Data types supported: F32, F16. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLGEMMInterleave4x4Kernel (if the output tensor is a matrix)
+ * -# @ref CLGEMMTranspose1xWKernel (if the output tensor is a matrix)
+ * -# @ref CLGEMMMatrixMultiplyKernel
+ * -# @ref CLGEMMMatrixAdditionKernel (if c != nullptr and beta != 0.0)
+ *
+ */
+class CLGEMM : public IFunction
+{
+public:
+ /** Default constructor. */
+ CLGEMM();
+ /** Initialise the kernel's inputs and output
+ *
+ * @note GEMM: General Matrix Multiply - [alpha * A * B + beta * C].
+ *
+ * @note All tensors must have the same data type. Data types supported: F32, F16
+ *
+ * @note Whilst the first input tensor can be a vector, the second input tensor must be at least a matrix
+ *
+ * @param[in] a First input tensor (Matrix or Vector A). Data types supported: F32, F16
+ * @param[in] b Second input tensor (Matrix B). Data type supported: same as @p a.
+ * @param[in] c Third input tensor (Matrix C). It can be a nullptr if just the multiplication between @p a and @p b is needed. Data type supported: same as @p a.
+ * @param[out] output Output tensor. Data type supported: same as @p a
+ * @param[in] alpha Weight of the matrix product
+ * @param[in] beta Weight of matrix C
+ */
+ void configure(const ICLTensor *a, const ICLTensor *b, const ICLTensor *c, ICLTensor *output, float alpha, float beta);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLGEMMInterleave4x4Kernel _interleave_kernel;
+ CLGEMMTranspose1xWKernel _transpose_kernel;
+ CLGEMMMatrixMultiplyKernel _mm_kernel;
+ CLGEMMMatrixAdditionKernel _ma_kernel;
+ CLTensor _tmp_a;
+ CLTensor _tmp_b;
+ bool _run_vector_matrix_multiplication;
+ bool _run_addition;
+};
+}
+
+#endif /* __ARM_COMPUTE_CLGEMM_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLGEMMInterleave4x4.h b/arm_compute/runtime/CL/functions/CLGEMMInterleave4x4.h
new file mode 100644
index 0000000..b80136b
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLGEMMInterleave4x4.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLGEMMINTERLEAVE4X4_H__
+#define __ARM_COMPUTE_CLGEMMINTERLEAVE4X4_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute CLGEMMInterleave4x4Kernel. This function calls the following OpenCL kernel:
+ *
+ * -# @ref CLGEMMInterleave4x4Kernel
+ *
+ */
+class CLGEMMInterleave4x4 : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output
+ *
+ * @param[in] input First input tensor. Data types supported: U8/S8/U16/S16/F16/U32/S32/F32
+ * @param[out] output Output tensor. Data type supported: same as @p input
+ */
+ void configure(const ICLTensor *input, ICLTensor *output);
+};
+}
+
+#endif /* __ARM_COMPUTE_CLGEMMINTERLEAVE4X4_H__ */
\ No newline at end of file
diff --git a/arm_compute/runtime/CL/functions/CLGEMMLowp.h b/arm_compute/runtime/CL/functions/CLGEMMLowp.h
new file mode 100644
index 0000000..da8883c
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLGEMMLowp.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLGEMMLOWP_H__
+#define __ARM_COMPUTE_CLGEMMLOWP_H__
+
+#include "arm_compute/core/CL/ICLKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMLowpMatrixMultiplyKernel.h"
+#include "arm_compute/core/CL/kernels/CLGEMMTranspose1xWKernel.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute GEMMLowp on OpenCL. This function calls the following OpenCL kernels:
+*
+* -# @ref CLGEMMInterleave4x4Kernel
+* -# @ref CLGEMMTranspose1xWKernel
+* -# @ref CLGEMMLowpMatrixMultiplyKernel
+*
+*/
+class CLGEMMLowp : public IFunction
+{
+public:
+ /** Constructor */
+ CLGEMMLowp();
+ /** Initialise the kernel's inputs, output
+ *
+ * @note GEMM_LOWP: low precision matrix multiply kernel
+ * This kernel performs the following computation:
+ *
+ * -# Convert a values from uint8 to int32 and add a_offset to each of them.
+ * -# Convert b values from uint8 to int32 and add b_offset to each of them.
+ * -# Compute the int32 matrix product of the resulting a * b.
+ * -# Add output_offset to each entry of the result.
+ * -# Multiply each entry of the result and round to the nearest integer
+ * -# Clamp the resulting int32 values to the [0..255] range and cast to uint8.
+ *
+ * @param[in] a First input tensor (Matrix A). Data types supported: U8.
+ * @param[in] b Second input tensor (Matrix B). Data types supported: same as @p a.
+ * @param[out] output Output tensor. Data types supported: same as @p a.
+ * @param[in] a_offset Offset to be added to each element of the matrix A.
+ * @param[in] b_offset Offset to be added to each element of the matrix B.
+ * @param[in] output_offset Offset to be added to each element of the output matrix
+ * @param[in] output_mult_int Multiplied with each element of the output matrix
+ * @param[in] shift Number of bits to shift right the result.
+ */
+ void configure(const ICLTensor *a, const ICLTensor *b, ICLTensor *output, int32_t a_offset, int32_t b_offset, int32_t output_offset, int32_t output_mult_int, int32_t shift);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLGEMMInterleave4x4Kernel _interleave_kernel;
+ CLGEMMTranspose1xWKernel _transpose_kernel;
+ CLGEMMLowpMatrixMultiplyKernel _mm_kernel;
+ CLTensor _tmp_a;
+ CLTensor _tmp_b;
+};
+}
+#endif /*__ARM_COMPUTE_CLGEMMLOWP_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLGaussian3x3.h b/arm_compute/runtime/CL/functions/CLGaussian3x3.h
new file mode 100644
index 0000000..f8223bc
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLGaussian3x3.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLGAUSSIAN3X3_H__
+#define __ARM_COMPUTE_CLGAUSSIAN3X3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute gaussian filter 3x3. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLGaussian3x3Kernel
+ *
+ */
+class CLGaussian3x3 : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLGAUSSIAN3X3_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLGaussian5x5.h b/arm_compute/runtime/CL/functions/CLGaussian5x5.h
new file mode 100644
index 0000000..148b9a9
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLGaussian5x5.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLGAUSSIAN5X5_H__
+#define __ARM_COMPUTE_CLGAUSSIAN5X5_H__
+
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLGaussian5x5Kernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute gaussian filter 5x5. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLGaussian5x5HorKernel
+ * -# @ref CLGaussian5x5VertKernel
+ *
+ */
+class CLGaussian5x5 : public IFunction
+{
+public:
+ /** Default Constructor. */
+ CLGaussian5x5();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+protected:
+ CLGaussian5x5HorKernel _kernel_hor; /**< Horizontal pass kernel */
+ CLGaussian5x5VertKernel _kernel_vert; /**< Vertical pass kernel */
+ CLFillBorderKernel _border_handler; /**< Kernel to handle image borders */
+ CLImage _tmp; /**< Temporary buffer */
+};
+}
+#endif /*__ARM_COMPUTE_CLGAUSSIAN5X5_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLGaussianPyramid.h b/arm_compute/runtime/CL/functions/CLGaussianPyramid.h
new file mode 100644
index 0000000..9793519
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLGaussianPyramid.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLGAUSSIANPYRAMID_H__
+#define __ARM_COMPUTE_CLGAUSSIANPYRAMID_H__
+
+#include "arm_compute/core/CL/kernels/CLGaussianPyramidKernel.h"
+
+#include "arm_compute/core/CL/kernels/CLScaleKernel.h"
+#include "arm_compute/core/IPyramid.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLPyramid.h"
+#include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Common interface for all Gaussian pyramid functions
+ */
+class CLGaussianPyramid : public IFunction
+{
+public:
+ /** Constructor */
+ CLGaussianPyramid();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLGaussianPyramid(const CLGaussianPyramid &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLGaussianPyramid &operator=(const CLGaussianPyramid &) = delete;
+ /** Allow instances of this class to be moved */
+ CLGaussianPyramid(CLGaussianPyramid &&) = default;
+ /** Allow instances of this class to be moved */
+ CLGaussianPyramid &operator=(CLGaussianPyramid &&) = default;
+ /** Default destructor */
+ virtual ~CLGaussianPyramid() = default;
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in, out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] pyramid Destination pyramid tensors, Data types supported at each level: U8.
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ virtual void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value = 0) = 0;
+
+protected:
+ ICLTensor *_input;
+ CLPyramid *_pyramid;
+ CLPyramid _tmp;
+};
+
+/** Basic function to execute gaussian pyramid with HALF scale factor. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLGaussianPyramidHorKernel
+ * -# @ref CLGaussianPyramidVertKernel
+ */
+class CLGaussianPyramidHalf : public CLGaussianPyramid
+{
+public:
+ /** Constructor */
+ CLGaussianPyramidHalf();
+
+ // Inherited methods overridden:
+ void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
+ void run() override;
+
+private:
+ std::unique_ptr<CLFillBorderKernel[]> _border_handler;
+ std::unique_ptr<CLGaussianPyramidHorKernel[]> _horizontal_reduction;
+ std::unique_ptr<CLGaussianPyramidVertKernel[]> _vertical_reduction;
+};
+
+/** Basic function to execute gaussian pyramid with ORB scale factor. This function calls the following OpenCL kernels and functions:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLGaussian5x5
+ * -# @ref CLScaleKernel
+ */
+class CLGaussianPyramidOrb : public CLGaussianPyramid
+{
+public:
+ /** Constructor */
+ CLGaussianPyramidOrb();
+
+ // Inherited methods overridden:
+ void configure(ICLTensor *input, CLPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
+ void run() override;
+
+private:
+ std::unique_ptr<CLGaussian5x5[]> _gauss5x5;
+ std::unique_ptr<CLScaleKernel[]> _scale_nearest;
+};
+}
+#endif /*__ARM_COMPUTE_CLGAUSSIANPYRAMID_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLHOGDescriptor.h b/arm_compute/runtime/CL/functions/CLHOGDescriptor.h
new file mode 100644
index 0000000..cdb23bf
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLHOGDescriptor.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLHOGDESCRIPTOR_H__
+#define __ARM_COMPUTE_CLHOGDESCRIPTOR_H__
+
+#include "arm_compute/core/CL/kernels/CLHOGDescriptorKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/functions/CLHOGGradient.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class IHOG;
+/** Basic function to calculate HOG descriptor. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLHOGGradient
+ * -# @ref CLHOGOrientationBinningKernel
+ * -# @ref CLHOGBlockNormalizationKernel
+ *
+ */
+class CLHOGDescriptor : public IFunction
+{
+public:
+ /** Default constructor */
+ CLHOGDescriptor();
+ /** Initialise the function's source, destination, HOG data-object and border mode
+ *
+ * @param[in, out] input Input tensor. Data type supported: U8
+ * (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Output tensor which stores the HOG descriptor. DataType supported: F32. The number of channels is equal to the number of histogram bins per block
+ * @param[in] hog HOG data object which describes the HOG descriptor
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited method overridden:
+ void run() override;
+
+private:
+ CLHOGGradient _gradient;
+ CLHOGOrientationBinningKernel _orient_bin;
+ CLHOGBlockNormalizationKernel _block_norm;
+ CLTensor _mag;
+ CLTensor _phase;
+ CLTensor _hog_space;
+};
+}
+
+#endif /* __ARM_COMPUTE_CLHOGDESCRIPTOR_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLHOGDetector.h b/arm_compute/runtime/CL/functions/CLHOGDetector.h
new file mode 100644
index 0000000..0b4fad7
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLHOGDetector.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLHOGDETECTOR_H__
+#define __ARM_COMPUTE_CLHOGDETECTOR_H__
+
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/CL/kernels/CLHOGDetectorKernel.h"
+#include "arm_compute/core/IHOG.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+/** Basic function to execute HOG detector based on linear SVM. This function calls the following OpenCL kernel:
+ *
+ * -# @ref CLHOGDetectorKernel
+ *
+ */
+class CLHOGDetector : public IFunction
+{
+public:
+ /** Default constructor */
+ CLHOGDetector();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLHOGDetector(const CLHOGDetector &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLHOGDetector &operator=(const CLHOGDetector &) = delete;
+ /** Allow instances of this class to be moved */
+ CLHOGDetector(CLHOGDetector &&) = default;
+ /** Allow instances of this class to be moved */
+ CLHOGDetector &operator=(CLHOGDetector &&) = default;
+ /** Default destructor */
+ ~CLHOGDetector() = default;
+ /** Initialise the kernel's input, output, HOG data object, detection window stride, threshold and index class
+ *
+ * @attention The function does not reset the number of values in @ref IDetectionWindowArray so it is caller's responsibility to clear it.
+ *
+ * @param[in] input Input tensor. It is the output of @ref NEHOGDescriptor. Data type supported: F32
+ * @param[in] hog HOG data-object that describes the HOG descriptor
+ * @param[out] detection_windows Array of @ref DetectionWindow used to store the detected objects
+ * @param[in] detection_window_stride Distance in pixels between 2 consecutive detection windows in x and y directions.
+ * It must be multiple of the block stride stored in hog
+ * @param[in] threshold (Optional) Threshold for the distance between features and SVM classifying plane
+ * @param[in] idx_class (Optional) Index of the class used for evaluating which class the detection window belongs to
+ */
+ void configure(const ICLTensor *input, const ICLHOG *hog, ICLDetectionWindowArray *detection_windows, const Size2D &detection_window_stride, float threshold = 0.0f, size_t idx_class = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLHOGDetectorKernel _hog_detector_kernel;
+ ICLDetectionWindowArray *_detection_windows;
+ cl::Buffer _num_detection_windows;
+};
+}
+
+#endif /* __ARM_COMPUTE_CLHOGDETECTOR_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLHOGGradient.h b/arm_compute/runtime/CL/functions/CLHOGGradient.h
new file mode 100644
index 0000000..e74a684
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLHOGGradient.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLHOGGRADIENT_H__
+#define __ARM_COMPUTE_CLHOGGRADIENT_H__
+
+#include "arm_compute/core/CL/ICLKernel.h"
+
+#include "arm_compute/core/CL/kernels/CLMagnitudePhaseKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/functions/CLDerivative.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+/** Basic function to calculate the gradient for HOG. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLDerivative
+ * -# @ref CLMagnitudePhaseKernel
+ *
+ */
+class CLHOGGradient : public IFunction
+{
+public:
+ /** Default constructor */
+ CLHOGGradient();
+ /** Initialise the function's source, destinations, phase type and border mode
+ *
+ * @param[in, out] input Input tensor. Data type supported: U8.
+ * (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_magnitude Output tensor (magnitude). Data type supported: U16.
+ * @param[out] output_phase Output tensor.(phase). Format supported: U8
+ * @param[in] phase_type Type of @ref PhaseType
+ * @param[in] border_mode Border mode to use
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output_magnitude, ICLTensor *output_phase, PhaseType phase_type, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited method overridden:
+ void run() override;
+
+private:
+ CLDerivative _derivative;
+ CLMagnitudePhaseKernel _mag_phase;
+ CLTensor _gx;
+ CLTensor _gy;
+};
+}
+#endif /*__ARM_COMPUTE_CLHOGGRADIENT_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLHOGMultiDetection.h b/arm_compute/runtime/CL/functions/CLHOGMultiDetection.h
new file mode 100644
index 0000000..3fe0fa9
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLHOGMultiDetection.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLHOGMULTIDETECTION_H__
+#define __ARM_COMPUTE_CLHOGMULTIDETECTION_H__
+
+#include "arm_compute/core/CL/ICLArray.h"
+#include "arm_compute/core/CL/ICLMultiHOG.h"
+#include "arm_compute/core/CL/kernels/CLHOGDescriptorKernel.h"
+#include "arm_compute/core/CPP/kernels/CPPDetectionWindowNonMaximaSuppressionKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/functions/CLHOGDetector.h"
+#include "arm_compute/runtime/CL/functions/CLHOGGradient.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+/** Basic function to detect multiple objects (or the same object at different scales) on the same input image using HOG. This function calls the following kernels:
+ *
+ * -# @ref CLHOGGradient
+ * -# @ref CLHOGOrientationBinningKernel
+ * -# @ref CLHOGBlockNormalizationKernel
+ * -# @ref CLHOGDetector
+ * -# @ref CPPDetectionWindowNonMaximaSuppressionKernel (executed if non_maxima_suppression == true)
+ *
+ * @note This implementation works if all the HOG data-objects within the IMultiHOG container have the same:
+ * -# Phase type
+ -# Normalization type
+ -# L2 hysteresis threshold if the normalization type is L2HYS_NORM
+ *
+ */
+class CLHOGMultiDetection : public IFunction
+{
+public:
+ /** Default constructor */
+ CLHOGMultiDetection();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLHOGMultiDetection(const CLHOGMultiDetection &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLHOGMultiDetection &operator=(const CLHOGMultiDetection &) = delete;
+ /** Initialise the function's source, destination, detection window strides, border mode, threshold and non-maxima suppression
+ *
+ * @param[in, out] input Input tensor. Data type supported: U8
+ * (Written to only for @p border_mode != UNDEFINED)
+ * @param[in] multi_hog Container of multiple HOG data object. Each HOG data object describes one HOG model to detect.
+ * This container should store the HOG data-objects in descending or ascending cell_size width order.
+ * This will help to understand if the HOG descriptor computation can be skipped for some HOG data-objects
+ * @param[out] detection_windows Array of @ref DetectionWindow used for locating the detected objects
+ * @param[in] detection_window_strides Array of @ref Size2D used to specify the distance in pixels between 2 consecutive detection windows in x and y directions for each HOG data-object
+ * The dimension of this array must be the same of multi_hog->num_models()
+ * The i-th detection_window_stride of this array must be multiple of the block_stride stored in the i-th multi_hog array
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ * @param[in] threshold (Optional) Threshold for the distance between features and SVM classifying plane
+ * @param[in] non_maxima_suppression (Optional) Flag to specify whether the non-maxima suppression is required or not.
+ * True if the non-maxima suppression stage has to be computed
+ * @param[in] min_distance (Optional) Radial Euclidean distance to use for the non-maxima suppression stage
+ *
+ */
+ void configure(ICLTensor *input, const ICLMultiHOG *multi_hog, ICLDetectionWindowArray *detection_windows, ICLSize2DArray *detection_window_strides, BorderMode border_mode,
+ uint8_t constant_border_value = 0,
+ float threshold = 0.0f, bool non_maxima_suppression = false, float min_distance = 1.0f);
+
+ // Inherited method overridden:
+ void run() override;
+
+private:
+ CLHOGGradient _gradient_kernel;
+ std::unique_ptr<CLHOGOrientationBinningKernel[]> _orient_bin_kernel;
+ std::unique_ptr<CLHOGBlockNormalizationKernel[]> _block_norm_kernel;
+ std::unique_ptr<CLHOGDetector[]> _hog_detect_kernel;
+ std::unique_ptr<CPPDetectionWindowNonMaximaSuppressionKernel> _non_maxima_kernel;
+ std::unique_ptr<CLTensor[]> _hog_space;
+ std::unique_ptr<CLTensor[]> _hog_norm_space;
+ ICLDetectionWindowArray *_detection_windows;
+ CLTensor _mag;
+ CLTensor _phase;
+ bool _non_maxima_suppression;
+ size_t _num_orient_bin_kernel;
+ size_t _num_block_norm_kernel;
+ size_t _num_hog_detect_kernel;
+};
+}
+
+#endif /* __ARM_COMPUTE_CLHOGMULTIDETECTION_H__ */
\ No newline at end of file
diff --git a/arm_compute/runtime/CL/functions/CLHarrisCorners.h b/arm_compute/runtime/CL/functions/CLHarrisCorners.h
new file mode 100644
index 0000000..90da687
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLHarrisCorners.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLHARRISCORNERS_H__
+#define __ARM_COMPUTE_CLHARRISCORNERS_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/ICLArray.h"
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLHarrisCornersKernel.h"
+#include "arm_compute/core/CL/kernels/CLNonMaximaSuppression3x3Kernel.h"
+#include "arm_compute/core/NEON/kernels/NEHarrisCornersKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+#include <cstdint>
+
+#include <memory>
+
+namespace arm_compute
+{
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to execute harris corners detection. This function calls the following CL and NEON kernels and functions:
+ *
+ * @note Requires CPU support for the kernels: CPPCornerCandidatesKernel and CPPSortEuclideanDistanceKernel.
+ *
+ * -# @ref CLSobel3x3 (if gradient_size == 3) or<br/>
+ * @ref CLSobel5x5 (if gradient_size == 5) or<br/>
+ * @ref CLSobel7x7 (if gradient_size == 7)
+ * -# @ref CLFillBorderKernel
+ * -# @ref CLHarrisScoreKernel
+ * -# @ref CLNonMaximaSuppression3x3
+ * -# @ref CPPCornerCandidatesKernel
+ * -# @ref CPPSortEuclideanDistanceKernel
+ */
+class CLHarrisCorners : public IFunction
+{
+public:
+ /** Constructor */
+ CLHarrisCorners();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLHarrisCorners(const CLHarrisCorners &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ const CLHarrisCorners &operator=(const CLHarrisCorners &) = delete;
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source image. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[in] threshold Minimum threshold with which to eliminate Harris Corner scores (computed using the normalized Sobel kernel).
+ * @param[in] min_dist Radial Euclidean distance for the euclidean distance stage.
+ * @param[in] sensitivity Sensitivity threshold k from the Harris-Stephens equation
+ * @param[in] gradient_size The gradient window size to use on the input. The implementation supports 3, 5, and 7
+ * @param[in] block_size The block window size used to compute the Harris Corner score. The implementation supports 3, 5, and 7.
+ * @param[out] corners Array of keypoints to store the results.
+ * @param[in] border_mode Border mode to use
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLImage *input, float threshold, float min_dist, float sensitivity,
+ int32_t gradient_size, int32_t block_size, ICLKeyPointArray *corners,
+ BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ std::unique_ptr<IFunction> _sobel; /**< Sobel function */
+ CLHarrisScoreKernel _harris_score; /**< Harris score kernel */
+ CLNonMaximaSuppression3x3Kernel _non_max_suppr; /**< Non-maxima suppression function */
+ CPPCornerCandidatesKernel _candidates; /**< Sort kernel */
+ CPPSortEuclideanDistanceKernel _sort_euclidean; /**< Euclidean distance kernel */
+ CLFillBorderKernel _border_gx; /**< Border handler before running harris score */
+ CLFillBorderKernel _border_gy; /**< Border handler before running harris score */
+ CLImage _gx; /**< Source image - Gx component */
+ CLImage _gy; /**< Source image - Gy component */
+ CLImage _score; /**< Source image - Harris score */
+ CLImage _nonmax; /**< Source image - Non-Maxima suppressed image */
+ std::unique_ptr<InternalKeypoint[]> _corners_list; /**< Array of InternalKeypoint. It stores the potential corner candidates */
+ int32_t _num_corner_candidates; /**< Number of potential corner candidates */
+ ICLKeyPointArray *_corners; /**< Output corners array */
+};
+}
+#endif /*__ARM_COMPUTE_CLHARRISCORNERS_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLHistogram.h b/arm_compute/runtime/CL/functions/CLHistogram.h
new file mode 100644
index 0000000..455b618
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLHistogram.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLHISTOGRAM_H__
+#define __ARM_COMPUTE_CLHISTOGRAM_H__
+
+#include "arm_compute/core/CL/kernels/CLHistogramKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLDistribution1D;
+class ICLTensor;
+using ICLTensor = ICLImage;
+
+/** Basic function to execute histogram. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLHistogramKernel
+ * -# @ref CLHistogramBorderKernel
+ *
+ */
+class CLHistogram : public IFunction
+{
+public:
+ /*
+ * @ Default constructor
+ */
+ CLHistogram();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLHistogram(const CLHistogram &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ const CLHistogram &operator=(const CLHistogram &) = delete;
+ /** Initialize the function
+ *
+ * @param[in] input Source image. Data types supported: U8
+ * @param[out] output Output distribution.
+ */
+ void configure(const ICLImage *input, ICLDistribution1D *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLHistogramKernel _kernel; /**< kernel to run */
+ CLHistogramBorderKernel _kernel_border; /**< Border kernel to run */
+};
+}
+#endif /*__ARM_COMPUTE_CLHISTOGRAM_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLIntegralImage.h b/arm_compute/runtime/CL/functions/CLIntegralImage.h
new file mode 100644
index 0000000..25fc549
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLIntegralImage.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLINTEGRALIMAGE_H__
+#define __ARM_COMPUTE_CLINTEGRALIMAGE_H__
+
+#include "arm_compute/core/CL/kernels/CLIntegralImageKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute integral image. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLIntegralImageHorKernel
+ * -# @ref CLIntegralImageVertKernel
+ *
+ */
+class CLIntegralImage : public IFunction
+{
+public:
+ /** Default Constructor. */
+ CLIntegralImage();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in] input Source tensor. Data types supported: U8.
+ * @param[out] output Destination tensor, Data types supported: U32.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+protected:
+ CLIntegralImageHorKernel _integral_hor; /**< Integral Image Horizontal kernel */
+ CLIntegralImageVertKernel _integral_vert; /**< Integral Image Vertical kernel */
+};
+}
+#endif /*__ARM_COMPUTE_CLINTEGRALIMAGE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLLaplacianPyramid.h b/arm_compute/runtime/CL/functions/CLLaplacianPyramid.h
new file mode 100644
index 0000000..0c6708a
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLLaplacianPyramid.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLLAPLACIANPYRAMID_H__
+#define __ARM_COMPUTE_CLLAPLACIANPYRAMID_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLPyramid.h"
+#include "arm_compute/runtime/CL/functions/CLArithmeticSubtraction.h"
+#include "arm_compute/runtime/CL/functions/CLDepthConvert.h"
+#include "arm_compute/runtime/CL/functions/CLGaussian5x5.h"
+#include "arm_compute/runtime/CL/functions/CLGaussianPyramid.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute laplacian pyramid. This function calls the following OpenCL kernels and functions:
+ *
+ * -# @ref CLGaussianPyramidHalf
+ * -# @ref CLGaussian5x5
+ * -# @ref CLArithmeticSubtraction
+ *
+ * First a Gaussian pyramid is created. Then, for each level i, the corresponding tensor I(i) is blurred with the Gaussian 5x5 filter, and then
+ * difference between the two tensors is the corresponding level L(i) of the Laplacian pyramid.
+ * L(i) = I(i) - Gaussian5x5(I(i))
+ * Level 0 has always the same first two dimensions as the input tensor.
+*/
+class CLLaplacianPyramid : public IFunction
+{
+public:
+ /** Constructor */
+ CLLaplacianPyramid();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in] input Source tensor. Data types supported: U8.
+ * @param[out] pyramid Destination pyramid tensors, Data types supported at each level: S16.
+ * @param[out] output The lowest resolution tensor necessary to reconstruct the input tensor from the pyramid. Data types supported: S16.
+ * The first two dimensions of this tensor must match the first two dimensions of the tensor in the last level of the pyramid, that is:
+ * output.width = input.width() / pow(2,pyramid_levels-1) and out.height = in.height() / pow(2,pyramid_levels-1)
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ICLTensor *input, CLPyramid *pyramid, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ size_t _num_levels;
+ CLGaussianPyramidHalf _gaussian_pyr_function;
+ std::unique_ptr<CLGaussian5x5[]> _convf;
+ std::unique_ptr<CLArithmeticSubtraction[]> _subf;
+ CLDepthConvert _depth_function;
+ CLPyramid _gauss_pyr;
+ CLPyramid _conv_pyr;
+};
+}
+#endif /*__ARM_COMPUTE_CLLAPLACIANPYRAMID_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLLaplacianReconstruct.h b/arm_compute/runtime/CL/functions/CLLaplacianReconstruct.h
new file mode 100644
index 0000000..4bc7eb6
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLLaplacianReconstruct.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H__
+#define __ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLPyramid.h"
+#include "arm_compute/runtime/CL/functions/CLArithmeticAddition.h"
+#include "arm_compute/runtime/CL/functions/CLDepthConvert.h"
+#include "arm_compute/runtime/CL/functions/CLScale.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to execute laplacian reconstruction. This function calls the following OpenCL kernels and functions:
+ *
+ * -# @ref CLArithmeticAddition
+ * -# @ref CLScale
+ * -# @ref CLDepthConvert
+ *
+ * This function reconstructs the original image from a Laplacian Image Pyramid.
+ *
+ * The input image is added to the last level of the Laplacian pyramid L(n-2), the resulting image is upsampled to the
+ * resolution of the next pyramid level.
+ *
+ * I(n-2) = upsample( input + L(n-1)
+ *
+ * For each pyramid level i, except i=0 and i=n-1:
+ * I(i-1) = upsample(I(i) + L(i))
+ *
+ * output = I(0) + L(0)
+*/
+class CLLaplacianReconstruct : public IFunction
+{
+public:
+ /** Constructor */
+ CLLaplacianReconstruct();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * The Output image must have the same size as the first level of the pyramid.
+ * The Input image must have the same size as the last level of the pyramid.
+ *
+ * The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid.
+ *
+ * @param[in] pyramid Laplacian pyramid tensors, Data types supported at each level: S16.
+ * @param[in] input Source tensor. Data types supported: S16.
+ * @param[out] output Output tensor. Data types supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(const CLPyramid *pyramid, const ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLPyramid _tmp_pyr;
+ std::unique_ptr<CLArithmeticAddition[]> _addf;
+ std::unique_ptr<CLScale[]> _scalef;
+ CLDepthConvert _depthf;
+};
+}
+#endif /*__ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLLocallyConnectedLayer.h b/arm_compute/runtime/CL/functions/CLLocallyConnectedLayer.h
new file mode 100644
index 0000000..b4e4691
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLLocallyConnectedLayer.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLLOCALLYCONNECTEDLAYER_H__
+#define __ARM_COMPUTE_CLLOCALLYCONNECTEDLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLCol2ImKernel.h"
+#include "arm_compute/core/CL/kernels/CLIm2ColKernel.h"
+#include "arm_compute/core/CL/kernels/CLLocallyConnectedMatrixMultiplyKernel.h"
+#include "arm_compute/core/CL/kernels/CLWeightsReshapeKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to compute the locally connected layer. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLLocallyConnectedLayerWeightsReshapeKernel (executed only once for each configuration)
+ * -# @ref CLIm2ColKernel
+ * -# @ref CLLocallyConnectedMatrixMultiplyKernel
+ * -# @ref CLCol2ImKernel
+ */
+class CLLocallyConnectedLayer : public IFunction
+{
+public:
+ /** Default constructor */
+ CLLocallyConnectedLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dimensions represent a single input [width, height, IFM],
+ * while every optional dimension from 4 and above represent a batch of inputs.
+ * Data types supported: F32.
+ * @param[in] weights Weights tensor. Weights are 5D tensor with dimensions [kernel_x, kernel_y, IFM, OFM, num_patches]. Data type supported:Same as @p input.
+ * @param[in] biases Biases tensor. Shared biases supported. Biases are 2D tensor with dimensions [OFM, num_patches]. Data type supported:Same as @p input.
+ * @param[out] output Destination tensor. 3 lower dimensions represent a single output [width, height, OFM], while the rest represent batch of outputs.
+ * Data types supported: Same as @p input.
+ * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo.
+ */
+ void configure(const ICLTensor *input, const ICLTensor *weights, const ICLTensor *biases, ICLTensor *output, const PadStrideInfo &conv_info);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLIm2ColKernel _input_im2col_kernel;
+ CLLocallyConnectedLayerWeightsReshapeKernel _weights_reshape_kernel;
+ CLLocallyConnectedMatrixMultiplyKernel _mm_kernel;
+ CLCol2ImKernel _output_col2im_kernel;
+ CLTensor _input_im2col_reshaped;
+ CLTensor _weights_reshaped;
+ CLTensor _gemm_output;
+ bool _is_first_run;
+};
+}
+#endif /* __ARM_COMPUTE_CLLOCALLYCONNECTEDLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLMagnitude.h b/arm_compute/runtime/CL/functions/CLMagnitude.h
new file mode 100644
index 0000000..dc5f913
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLMagnitude.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLMAGNITUDE_H__
+#define __ARM_COMPUTE_CLMAGNITUDE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLMagnitudePhaseKernel. */
+class CLMagnitude : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs.
+ *
+ * @param[in] input1 First tensor input. Data types supported: S16.
+ * @param[in] input2 Second tensor input. Data types supported: S16.
+ * @param[out] output Output tensor. Data types supported: S16.
+ * @param[in] mag_type (Optional) Magnitude calculation type. Default: L2NORM.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, MagnitudeType mag_type = MagnitudeType::L2NORM);
+};
+}
+#endif /*__ARM_COMPUTE_CLMAGNITUDE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLMeanStdDev.h b/arm_compute/runtime/CL/functions/CLMeanStdDev.h
new file mode 100644
index 0000000..e33bcdd
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLMeanStdDev.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLMEANSTDDEV_H__
+#define __ARM_COMPUTE_CLMEANSTDDEV_H__
+
+#include "arm_compute/core/CL/OpenCL.h"
+#include "arm_compute/core/CL/kernels/CLMeanStdDevKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+/** Basic function to execute mean and standard deviation by calling @ref CLMeanStdDevKernel */
+class CLMeanStdDev : public IFunction
+{
+public:
+ /** Default Constructor. */
+ CLMeanStdDev();
+ /** Initialise the kernel's inputs and outputs.
+ *
+ * @param[in] input Input image. Data types supported: U8.
+ * @param[out] mean Output average pixel value.
+ * @param[out] stddev (Optional)Output standard deviation of pixel values.
+ */
+ void configure(const ICLImage *input, float *mean, float *stddev = nullptr);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLMeanStdDevKernel _mean_stddev_kernel; /**< Kernel that standard deviation calculation. */
+ cl::Buffer _global_sum; /**< Variable that holds the global sum among calls in order to ease reduction */
+ cl::Buffer _global_sum_squared; /**< Variable that holds the global sum of squared values among calls in order to ease reduction */
+};
+}
+#endif /*__ARM_COMPUTE_CLMEANSTDDEV_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLMedian3x3.h b/arm_compute/runtime/CL/functions/CLMedian3x3.h
new file mode 100644
index 0000000..af84ba7
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLMedian3x3.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLMEDIAN3X3_H__
+#define __ARM_COMPUTE_CLMEDIAN3X3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute median filter. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLMedian3x3Kernel
+ *
+ */
+class CLMedian3x3 : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLMEDIAN3X3_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLMinMaxLocation.h b/arm_compute/runtime/CL/functions/CLMinMaxLocation.h
new file mode 100644
index 0000000..84fd675
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLMinMaxLocation.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLMINMAXLOCATION_H__
+#define __ARM_COMPUTE_CLMINMAXLOCATION_H__
+
+#include "arm_compute/core/CL/kernels/CLMinMaxLocationKernel.h"
+#include "arm_compute/runtime/CL/CLArray.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+using ICLImage = ICLTensor;
+
+/** Basic function to execute min and max location. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLMinMaxKernel
+ * -# @ref CLMinMaxLocationKernel
+ */
+class CLMinMaxLocation : public IFunction
+{
+public:
+ /** Constructor */
+ CLMinMaxLocation();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLMinMaxLocation(const CLMinMaxLocation &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLMinMaxLocation &operator=(const CLMinMaxLocation &) = delete;
+ /** Allow instances of this class to be moved */
+ CLMinMaxLocation(CLMinMaxLocation &&) = default;
+ /** Allow instances of this class to be moved */
+ CLMinMaxLocation &operator=(CLMinMaxLocation &&) = default;
+ /** Initialise the kernel's inputs and outputs.
+ *
+ * @note When locations of min and max occurrences are requested, the reported number of locations is limited to the given array size.
+ *
+ * @param[in] input Input image. Data types supported: U8 or S16.
+ * @param[out] min Minimum value of image.
+ * @param[out] max Maximum value of image.
+ * @param[out] min_loc (Optional) Array of Coordinates2D used to store minimum value locations.
+ * @param[out] max_loc (Optional) Array of Coordinates2D used to store maximum value locations.
+ * @param[out] min_count (Optional) Number of minimum value encounters.
+ * @param[out] max_count (Optional) Number of maximum value encounters.
+ */
+ void configure(const ICLImage *input, int32_t *min, int32_t *max,
+ CLCoordinates2DArray *min_loc = nullptr, CLCoordinates2DArray *max_loc = nullptr,
+ uint32_t *min_count = nullptr, uint32_t *max_count = nullptr);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLMinMaxKernel _min_max_kernel; /**< Kernel that performs min/max */
+ CLMinMaxLocationKernel _min_max_loc_kernel; /**< Kernel that counts min/max occurrences and identifies their positions */
+ cl::Buffer _min_max_vals; /**< Buffer to collect min, max values */
+ cl::Buffer _min_max_count_vals; /**< Buffer to collect min, max values */
+ int32_t *_min; /**< Minimum value. */
+ int32_t *_max; /**< Maximum value. */
+ uint32_t *_min_count; /**< Minimum value occurrences. */
+ uint32_t *_max_count; /**< Maximum value occurrences. */
+ CLCoordinates2DArray *_min_loc; /**< Minimum value occurrences coordinates. */
+ CLCoordinates2DArray *_max_loc; /**< Maximum value occurrences coordinates. */
+};
+}
+#endif /*__ARM_COMPUTE_CLMINMAXLOCATION_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLNonLinearFilter.h b/arm_compute/runtime/CL/functions/CLNonLinearFilter.h
new file mode 100644
index 0000000..9eee33e
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLNonLinearFilter.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLNONLINEARFILTER_H__
+#define __ARM_COMPUTE_CLNONLINEARFILTER_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute non linear filter. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLNonLinearFilterKernel
+ *
+ * @note Supported mask dimensions squares of sizes 3, 5
+ */
+class CLNonLinearFilter : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data types supported: U8
+ * @param[in] function Non linear function to perform
+ * @param[in] mask_size Mask size. Supported sizes: 3, 5
+ * @param[in] pattern Mask pattern
+ * @param[in] mask The given mask. Will be used only if pattern is specified to PATTERN_OTHER
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, NonLinearFilterFunction function, unsigned int mask_size, MatrixPattern pattern, const uint8_t *mask,
+ BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLNONLINEARFILTER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLNonMaximaSuppression3x3.h b/arm_compute/runtime/CL/functions/CLNonMaximaSuppression3x3.h
new file mode 100644
index 0000000..7adced4
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLNonMaximaSuppression3x3.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLNONMAXIMASUPPRESSION3X3_H__
+#define __ARM_COMPUTE_CLNONMAXIMASUPPRESSION3X3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute non-maxima suppression over a 3x3 window. This function calls the following CL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLNonMaximaSuppression3x3Kernel
+ */
+class CLNonMaximaSuppression3x3 : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note The implementation supports just 2 border modes: UNDEFINED and CONSTANT
+ * The constant values used with CONSTANT border mode is 0
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8, F32. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination for the Non-Maxima suppressions 3x3. Data types supported: same as @p input.
+ * @param[in] border_mode Border mode to use for non-maxima suppression.
+ * The implementation supports just 2 border modes: UNDEFINED and CONSTANT
+ */
+ void configure(ICLTensor *input, ICLTensor *output, BorderMode border_mode);
+};
+}
+#endif /* __ARM_COMPUTE_CLNONMAXIMASUPPRESSION3X3_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLNormalizationLayer.h b/arm_compute/runtime/CL/functions/CLNormalizationLayer.h
new file mode 100644
index 0000000..a4dae85
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLNormalizationLayer.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLNORMALIZATIONLAYER_H__
+#define __ARM_COMPUTE_CLNORMALIZATIONLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLNormalizationLayerKernel.h"
+#include "arm_compute/core/CL/kernels/CLPixelWiseMultiplicationKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to simulate a normalization layer. This function calls the following CL kernels:
+ *
+ * -# @ref CLPixelWiseMultiplicationKernel
+ * -# @ref CLFillBorderKernel
+ * -# @ref CLNormalizationLayerKernel
+ *
+ */
+class CLNormalizationLayer : public IFunction
+{
+public:
+ /** Default constructor */
+ CLNormalizationLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dims represent a single input with dimensions [width, height, IFM],
+ * and an optional 4th dimension for batch of inputs. Data types supported: F16, F32. Number of channels must be 1.
+ * @param[out] output Destination tensor. Dimensions, data type and number of channels must match the input ones.
+ * @param[in] norm_info Normalization layer information like the normalization type, normalization size and other parameters.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, NormalizationLayerInfo norm_info);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLTensor _squared_input; /**< The intermediate buffer which stores results of squaring input*/
+ CLNormalizationLayerKernel _norm_kernel; /**< Normalization layer kernel to run */
+ CLPixelWiseMultiplicationKernel _multiply_kernel; /**< Pixel multiplication kernel to run */
+ CLFillBorderKernel _border_handler; /**< Kernel to handle borders */
+};
+}
+#endif /* __ARM_COMPUTE_CLNORMALIZATIONLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLOpticalFlow.h b/arm_compute/runtime/CL/functions/CLOpticalFlow.h
new file mode 100644
index 0000000..ca3f861
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLOpticalFlow.h
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLOPTICALFLOW_H__
+#define __ARM_COMPUTE_CLOPTICALFLOW_H__
+
+#include "arm_compute/core/CL/kernels/CLLKTrackerKernel.h"
+
+#include "arm_compute/core/IArray.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLArray.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/CL/functions/CLScharr3x3.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class CLPyramid;
+
+using CLLKInternalKeypointArray = CLArray<CLLKInternalKeypoint>;
+using CLCoefficientTableArray = CLArray<CLCoefficientTable>;
+using CLOldValueArray = CLArray<CLOldValue>;
+
+/** Basic function to execute optical flow. This function calls the following OpenCL kernels and functions:
+ *
+ * -# @ref CLScharr3x3
+ * -# @ref CLLKTrackerInitKernel
+ * -# @ref CLLKTrackerStage0Kernel
+ * -# @ref CLLKTrackerStage1Kernel
+ * -# @ref CLLKTrackerFinalizeKernel
+ */
+class CLOpticalFlow : public IFunction
+{
+public:
+ /** Default constructor */
+ CLOpticalFlow();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLOpticalFlow(const CLOpticalFlow &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ CLOpticalFlow &operator=(const CLOpticalFlow &) = delete;
+ /** Allow instances of this class to be moved */
+ CLOpticalFlow(CLOpticalFlow &&) = default;
+ /** Allow instances of this class to be moved */
+ CLOpticalFlow &operator=(CLOpticalFlow &&) = default;
+ /** Initialise the function input and output
+ *
+ * @param[in] old_pyramid Pointer to the pyramid for the old tensor. Data types supported U8
+ * @param[in] new_pyramid Pointer to the pyramid for the new tensor. Data types supported U8
+ * @param[in] old_points Pointer to the IKeyPointArray storing old key points
+ * @param[in] new_points_estimates Pointer to the IKeyPointArray storing new estimates key points
+ * @param[out] new_points Pointer to the IKeyPointArray storing new key points
+ * @param[in] termination The criteria to terminate the search of each keypoint.
+ * @param[in] epsilon The error for terminating the algorithm
+ * @param[in] num_iterations The maximum number of iterations before terminate the alogrithm
+ * @param[in] window_dimension The size of the window on which to perform the algorithm
+ * @param[in] use_initial_estimate The flag to indicate whether the initial estimated position should be used
+ * @param[in] border_mode The border mode applied at scharr kernel stage
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT
+ *
+ */
+ void configure(const CLPyramid *old_pyramid, const CLPyramid *new_pyramid,
+ const ICLKeyPointArray *old_points, const ICLKeyPointArray *new_points_estimates, ICLKeyPointArray *new_points,
+ Termination termination, float epsilon, size_t num_iterations, size_t window_dimension, bool use_initial_estimate,
+ BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ std::unique_ptr<CLLKTrackerInitKernel[]> _tracker_init_kernel;
+ std::unique_ptr<CLLKTrackerStage0Kernel[]> _tracker_stage0_kernel;
+ std::unique_ptr<CLLKTrackerStage1Kernel[]> _tracker_stage1_kernel;
+ CLLKTrackerFinalizeKernel _tracker_finalize_kernel;
+ std::unique_ptr<CLScharr3x3[]> _func_scharr;
+ std::unique_ptr<CLTensor[]> _scharr_gx;
+ std::unique_ptr<CLTensor[]> _scharr_gy;
+ const ICLKeyPointArray *_old_points;
+ const ICLKeyPointArray *_new_points_estimates;
+ ICLKeyPointArray *_new_points;
+ std::unique_ptr<CLLKInternalKeypointArray> _old_points_internal;
+ std::unique_ptr<CLLKInternalKeypointArray> _new_points_internal;
+ std::unique_ptr<CLCoefficientTableArray> _coefficient_table;
+ std::unique_ptr<CLOldValueArray> _old_values;
+ size_t _num_levels;
+};
+}
+#endif /*__ARM_COMPUTE_CLOPTICALFLOW_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLPhase.h b/arm_compute/runtime/CL/functions/CLPhase.h
new file mode 100644
index 0000000..7cdfab1
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLPhase.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLPHASE_H__
+#define __ARM_COMPUTE_CLPHASE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute an @ref CLMagnitudePhaseKernel. */
+class CLPhase : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output.
+ *
+ * @param[in] input1 First tensor input. Data types supported: S16.
+ * @param[in] input2 Second tensor input. Data types supported: S16.
+ * @param[out] output Output tensor. Data types supported: U8.
+ * @param[in] phase_type (Optional) Phase calculation type. Default: SIGNED.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, PhaseType phase_type = PhaseType::SIGNED);
+};
+}
+#endif /*__ARM_COMPUTE_CLPHASE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLPixelWiseMultiplication.h b/arm_compute/runtime/CL/functions/CLPixelWiseMultiplication.h
new file mode 100644
index 0000000..71754fc
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLPixelWiseMultiplication.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLPIXELWISEMULTIPLICATION_H__
+#define __ARM_COMPUTE_CLPIXELWISEMULTIPLICATION_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLPixelWiseMultiplicationKernel. */
+class CLPixelWiseMultiplication : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and convertion policy.
+ *
+ * @param[in] input1 First tensor input. Data types supported: U8, S16, F16 or F32.
+ * @param[in] input2 Second tensor input. Data types supported: U8, S16, F16 or F32.
+ * @param[out] output Output tensor. Data types supported: U8(Only if both inputs are U8), S16, F16 or F32.
+ * @param[in] scale Scale to apply after multiplication. Must be positive.
+ * @param[in] overflow_policy Overflow policy. Supported overflow policies: Wrap, Saturate
+ * @param[in] rounding_policy Rounding policy. Supported rounding modes: to zero, to nearest even.
+ */
+ void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, float scale,
+ ConvertPolicy overflow_policy, RoundingPolicy rounding_policy);
+};
+}
+#endif /*__ARM_COMPUTE_CLPIXELWISEMULTIPLICATION_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLPoolingLayer.h b/arm_compute/runtime/CL/functions/CLPoolingLayer.h
new file mode 100644
index 0000000..f92860e
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLPoolingLayer.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLPOOLINGLAYER_H__
+#define __ARM_COMPUTE_CLPOOLINGLAYER_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to simulate a pooling layer with the specified pooling operation. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if padding size is different from zero)
+ * -# @ref CLPoolingLayerKernel
+ */
+class CLPoolingLayer : public ICLSimpleFunction
+{
+public:
+ /** Set the input and output tensors.
+ *
+ * @param[in,out] input Source tensor. (Written to only when padding != 0) Data types supported: F16, F32.
+ * @param[out] output Destination tensor. Data types supported: Same as @p input.
+ * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, const PoolingLayerInfo &pool_info);
+};
+}
+#endif /* __ARM_COMPUTE_CLPOOLINGLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLRemap.h b/arm_compute/runtime/CL/functions/CLRemap.h
new file mode 100644
index 0000000..4cb2be9
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLRemap.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLREMAP_H__
+#define __ARM_COMPUTE_CLREMAP_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute remap. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLRemapKernel
+ */
+class CLRemap : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's sources, destination, interpolation policy and border mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[in] map_x Map for X coords. Data types supported: F32.
+ * @param[in] map_y Map for Y coords. Data types supported: F32.
+ * @param[out] output Output tensor. Data types supported: U8.
+ * @param[in] policy Interpolation policy to use. Only NEAREST and BILINEAR are supported.
+ * @param[in] border_mode Border mode to use on the input tensor.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ICLTensor *input, const ICLTensor *map_x, const ICLTensor *map_y, ICLTensor *output,
+ InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLREMAP_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLScale.h b/arm_compute/runtime/CL/functions/CLScale.h
new file mode 100644
index 0000000..c2438dd
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLScale.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSCALE_H__
+#define __ARM_COMPUTE_CLSCALE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLScaleKernel */
+class CLScale : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, interpolation type and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8, S16. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data types supported: U8, S16 (Must be the same as the input tensor).
+ * All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
+ * @param[in] policy The interpolation type.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLSCALE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLScharr3x3.h b/arm_compute/runtime/CL/functions/CLScharr3x3.h
new file mode 100644
index 0000000..3ea0b84
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLScharr3x3.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSCHARR3X3_H__
+#define __ARM_COMPUTE_CLSCHARR3X3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute scharr 3x3 filter. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLScharr3x3Kernel
+ *
+ */
+class CLScharr3x3 : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Scharr 3x3 convolution along the X axis. Data types supported: S16.
+ * @param[out] output_y (optional) Destination for the Scharr 3x3 convolution along the Y axis. Data types supported: S16.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLSCHARR3X3_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLSobel3x3.h b/arm_compute/runtime/CL/functions/CLSobel3x3.h
new file mode 100644
index 0000000..7a4f47d
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLSobel3x3.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSOBEL3X3_H__
+#define __ARM_COMPUTE_CLSOBEL3X3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute sobel 3x3 filter. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLSobel3x3Kernel
+ *
+ */
+class CLSobel3x3 : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Sobel 3x3 convolution along the X axis. Data types supported: S16.
+ * @param[out] output_y (optional) Destination for the Sobel 3x3 convolution along the Y axis. Data types supported: S16.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLSOBEL3X3_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLSobel5x5.h b/arm_compute/runtime/CL/functions/CLSobel5x5.h
new file mode 100644
index 0000000..ad1f72f
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLSobel5x5.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSOBEL5X5_H__
+#define __ARM_COMPUTE_CLSOBEL5X5_H__
+
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLSobel5x5Kernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute sobel 5x5 filter. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLSobel5x5HorKernel
+ * -# @ref CLSobel5x5VertKernel
+ *
+ */
+class CLSobel5x5 : public IFunction
+{
+public:
+ /** Default Constructor. */
+ CLSobel5x5();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Sobel 5x5 convolution along the X axis. Data types supported: S16.
+ * @param[out] output_y (optional) Destination for the Sobel 5x5 convolution along the Y axis. Data types supported: S16.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+protected:
+ CLSobel5x5HorKernel _sobel_hor; /**< Sobel Horizontal 5x5 kernel */
+ CLSobel5x5VertKernel _sobel_vert; /**< Sobel Vertical 5x5 kernel */
+ CLFillBorderKernel _border_handler; /**< Kernel to handle image borders */
+ CLImage _tmp_x; /**< Temporary buffer for Sobel X */
+ CLImage _tmp_y; /**< Temporary buffer for Sobel Y */
+};
+}
+#endif /*__ARM_COMPUTE_CLSOBEL5X5_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLSobel7x7.h b/arm_compute/runtime/CL/functions/CLSobel7x7.h
new file mode 100644
index 0000000..1a3fe1a
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLSobel7x7.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSOBEL7X7_H__
+#define __ARM_COMPUTE_CLSOBEL7X7_H__
+
+#include "arm_compute/core/CL/kernels/CLFillBorderKernel.h"
+#include "arm_compute/core/CL/kernels/CLSobel7x7Kernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to execute sobel 7x7 filter. This function calls the following OpenCL kernels:
+ *
+ * -# @ref CLFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref CLSobel7x7HorKernel
+ * -# @ref CLSobel7x7VertKernel
+ *
+ */
+class CLSobel7x7 : public IFunction
+{
+public:
+ /** Default Constructor. */
+ CLSobel7x7();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Sobel 7x7 convolution along the X axis. Data types supported: S32.
+ * @param[out] output_y (optional) Destination for the Sobel 7x7 convolution along the Y axis. Data types supported: S32.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output_x, ICLTensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+protected:
+ CLSobel7x7HorKernel _sobel_hor; /**< Sobel Horizontal 7x7 kernel */
+ CLSobel7x7VertKernel _sobel_vert; /**< Sobel Vertical 7x7 kernel */
+ CLFillBorderKernel _border_handler; /**< Kernel to handle image borders */
+ CLImage _tmp_x; /**< Temporary buffer for Sobel X */
+ CLImage _tmp_y; /**< Temporary buffer for Sobel Y */
+};
+}
+#endif /*__ARM_COMPUTE_CLSOBEL7X7_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLSoftmaxLayer.h b/arm_compute/runtime/CL/functions/CLSoftmaxLayer.h
new file mode 100644
index 0000000..42cfc06
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLSoftmaxLayer.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLSOFTMAXLAYER_H__
+#define __ARM_COMPUTE_CLSOFTMAXLAYER_H__
+
+#include "arm_compute/core/CL/kernels/CLSoftmaxLayerKernel.h"
+#include "arm_compute/runtime/CL/CLTensor.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to compute a SoftmaxLayer.
+ *
+ * Softmax is calculated by :
+ * @f[ out = exp(x - max(x)) / sum(exp(x - max(x))) @f]
+ *
+ * This function runs the following kernels:
+ * -# @ref CLLogits1DMaxKernel
+ * -# @ref CLLogits1DShiftExpSumKernel
+ * -# @ref CLLogits1DNormKernel
+ */
+class CLSoftmaxLayer : public IFunction
+{
+public:
+ /** Constructor */
+ CLSoftmaxLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data types supported: F16, F32. Number of channels must be 1.
+ * @param[out] output Destination tensor. Matching input type and channel number.
+ */
+ void configure(const ICLTensor *input, ICLTensor *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ CLLogits1DMaxKernel _max_kernel;
+ CLLogits1DShiftExpSumKernel _shift_exp_sum_kernel;
+ CLLogits1DNormKernel _norm_kernel;
+ CLTensor _max;
+ CLTensor _sum;
+ CLTensor _tmp;
+};
+}
+#endif /* __ARM_COMPUTE_CLSOFTMAXLAYER_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLTableLookup.h b/arm_compute/runtime/CL/functions/CLTableLookup.h
new file mode 100644
index 0000000..ebe6593
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLTableLookup.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLTABLELOOKUP_H__
+#define __ARM_COMPUTE_CLTABLELOOKUP_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+class ICLLut;
+
+/** Basic function to run @ref CLTableLookupKernel */
+class CLTableLookup : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs and output
+ *
+ * @param[in] input First tensor input. Data types supported: U8 and S16
+ * @param[in] lut Input lookup table. Data types supported: U8 and S16
+ * @param[out] output Output tensor. Data types supported: U8 and S16
+ */
+ void configure(const ICLTensor *input, const ICLLut *lut, ICLTensor *output);
+};
+}
+#endif /*__ARM_COMPUTE_CLTABLELOOKUP_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLThreshold.h b/arm_compute/runtime/CL/functions/CLThreshold.h
new file mode 100644
index 0000000..14c0578
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLThreshold.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLTHRESHOLD_H__
+#define __ARM_COMPUTE_CLTHRESHOLD_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLThresholdKernel */
+class CLThreshold : public ICLSimpleFunction
+{
+public:
+ /** Initialise the function's source, destination, thresholds and threshold type
+ *
+ * @param[in] input First tensor input. Data types supported: U8.
+ * @param[out] output Output tensor. Data types supported: U8.
+ * @param[in] threshold Threshold. If upper threshold is specified, this will be used as the lower threshold.
+ * @param[in] false_value Value to assign when the condition is false.
+ * @param[in] true_value value to assign when the condition is true.
+ * @param[in] type Thresholding type. Can either be BINARY or RANGE.
+ * @param[in] upper Upper threshold. Only used with RANGE thresholding
+ */
+ void configure(const ICLTensor *input, ICLTensor *output, uint8_t threshold,
+ uint8_t false_value = 0, uint8_t true_value = 0,
+ ThresholdType type = ThresholdType::BINARY, uint8_t upper = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLTHRESHOLD_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLTranspose.h b/arm_compute/runtime/CL/functions/CLTranspose.h
new file mode 100644
index 0000000..9b57fe0
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLTranspose.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLTRANSPOSE_H__
+#define __ARM_COMPUTE_CLTRANSPOSE_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to transpose a matrix on OpenCL. This function calls the following OpenCL kernel:
+ *
+ * -# @ref CLTransposeKernel
+ *
+ */
+class CLTranspose : public ICLSimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs and output
+ *
+ * @param[in] input Input tensor. Data types supported: U8/S8/U16/S16/F16/U32/S32/F32
+ * @param[out] output Output tensor. Data type supported: Same as @p input
+ */
+ void configure(const ICLTensor *input, ICLTensor *output);
+};
+}
+
+#endif /* __ARM_COMPUTE_CLTRANSPOSE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLWarpAffine.h b/arm_compute/runtime/CL/functions/CLWarpAffine.h
new file mode 100644
index 0000000..aeab3f7
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLWarpAffine.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLWARPAFFINE_H__
+#define __ARM_COMPUTE_CLWARPAFFINE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLWarpAffineKernel for AFFINE transformation */
+class CLWarpAffine : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, interpolation policy and border_mode.
+ *
+ * @param[in,out] input Source temspr. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8.
+ * @param[in] matrix The affine matrix. Must be 2x3 of type float.
+ * @param[in] policy The interpolation type.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLWARPAFFINE_H__ */
diff --git a/arm_compute/runtime/CL/functions/CLWarpPerspective.h b/arm_compute/runtime/CL/functions/CLWarpPerspective.h
new file mode 100644
index 0000000..8023701
--- /dev/null
+++ b/arm_compute/runtime/CL/functions/CLWarpPerspective.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CLWARPPERSPECTIVE_H__
+#define __ARM_COMPUTE_CLWARPPERSPECTIVE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/** Basic function to run @ref CLWarpPerspectiveKernel for PERSPECTIVE transformation */
+class CLWarpPerspective : public ICLSimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, interpolation policy and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data types supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data types supported: U8.
+ * @param[in] matrix The perspective matrix. Must be 2x3 of type float.
+ * @param[in] policy The interpolation type.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ICLTensor *input, ICLTensor *output, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLWARPPERSPECTIVE_H__ */
diff --git a/arm_compute/runtime/CPP/CPPScheduler.h b/arm_compute/runtime/CPP/CPPScheduler.h
new file mode 100644
index 0000000..7a37e5e
--- /dev/null
+++ b/arm_compute/runtime/CPP/CPPScheduler.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_CPPSCHEDULER_H__
+#define __ARM_COMPUTE_CPPSCHEDULER_H__
+
+#include "arm_compute/runtime/IScheduler.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+class Thread;
+
+/** C++11 implementation of a pool of threads to automatically split a kernel's execution among several threads. */
+class CPPScheduler : public IScheduler
+{
+public:
+ /** Sets the number of threads the scheduler will use to run the kernels.
+ *
+ * @param[in] num_threads If set to 0, then the maximum number of threads supported by C++11 will be used, otherwise the number of threads specified.
+ */
+ void set_num_threads(unsigned int num_threads) override;
+ /** Returns the number of threads that the CPPScheduler has in his pool.
+ *
+ * @return Number of threads available in CPPScheduler.
+ */
+ unsigned int num_threads() const override;
+ /** Access the scheduler singleton
+ *
+ * @return The scheduler
+ */
+ static CPPScheduler &get();
+ /** Multithread the execution of the passed kernel if possible.
+ *
+ * The kernel will run on a single thread if any of these conditions is true:
+ * - ICPPKernel::is_parallelisable() returns false
+ * - The scheduler has been initialized with only one thread.
+ *
+ * @param[in] kernel Kernel to execute.
+ * @param[in] split_dimension Dimension along which to split the kernel's execution window.
+ */
+ void schedule(ICPPKernel *kernel, unsigned int split_dimension) override;
+
+private:
+ /** Constructor: create a pool of threads. */
+ CPPScheduler();
+
+ unsigned int _num_threads;
+ std::unique_ptr<Thread[], void (*)(Thread *)> _threads;
+};
+}
+#endif /* __ARM_COMPUTE_CPPSCHEDULER_H__ */
diff --git a/arm_compute/runtime/Distribution1D.h b/arm_compute/runtime/Distribution1D.h
new file mode 100644
index 0000000..7080e88
--- /dev/null
+++ b/arm_compute/runtime/Distribution1D.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_DISTRIBUTION1D_H__
+#define __ARM_COMPUTE_DISTRIBUTION1D_H__
+
+#include "arm_compute/core/IDistribution1D.h"
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+/** Basic implementation of the 1D distribution interface */
+class Distribution1D : public IDistribution1D
+{
+public:
+ /** Constructor: Creates a 1D Distribution of a consecutive interval [offset, offset + range - 1]
+ * defined by a start offset and valid range, divided equally into num_bins parts.
+ *
+ * @param[in] num_bins The number of bins the distribution is divided in.
+ * @param[in] offset The start of the values to use.
+ * @param[in] range The total number of the consecutive values of the distribution interval.
+ */
+ Distribution1D(size_t num_bins, int32_t offset, uint32_t range);
+
+ // Inherited methods overridden:
+ uint32_t *buffer() const override;
+
+private:
+ std::unique_ptr<uint32_t[]> _data; /**< The distribution data. */
+};
+}
+#endif /* __ARM_COMPUTE_DISTRIBUTION1D_H__ */
diff --git a/arm_compute/runtime/HOG.h b/arm_compute/runtime/HOG.h
new file mode 100644
index 0000000..70d8034
--- /dev/null
+++ b/arm_compute/runtime/HOG.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_HOG_H__
+#define __ARM_COMPUTE_HOG_H__
+
+#include "arm_compute/core/HOGInfo.h"
+#include "arm_compute/core/IHOG.h"
+#include "arm_compute/core/Types.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+/** CPU implementation of HOG data-object */
+class HOG : public IHOG
+{
+public:
+ /** Default constructor */
+ HOG();
+ /** Allocate the HOG descriptor using the given HOG's metadata
+ *
+ * @param[in] input HOG's metadata used to allocate the HOG descriptor
+ */
+ void init(const HOGInfo &input);
+
+ // Inherited method overridden:
+ const HOGInfo *info() const override;
+ float *descriptor() const override;
+
+private:
+ HOGInfo _info;
+ std::unique_ptr<float[]> _descriptor;
+};
+}
+#endif /* __ARM_COMPUTE_HOG_H__ */
diff --git a/arm_compute/runtime/IFunction.h b/arm_compute/runtime/IFunction.h
new file mode 100644
index 0000000..a4e7ed1
--- /dev/null
+++ b/arm_compute/runtime/IFunction.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_IFUNCTION_H__
+#define __ARM_COMPUTE_IFUNCTION_H__
+
+namespace arm_compute
+{
+/** Base class for all functions */
+class IFunction
+{
+public:
+ /** Run the kernels contained in the function
+ *
+ * For NEON kernels:
+ * - Multi-threading is used for the kernels which are parallelisable.
+ * - By default std::thread::hardware_concurrency() threads are used.
+ *
+ * @note @ref CPPScheduler::set_num_threads() can be used to manually set the number of threads
+ *
+ * For OpenCL kernels:
+ * - All the kernels are enqueued on the queue associated with CLScheduler.
+ * - The queue is then flushed.
+ *
+ * @note The function will not block until the kernels are executed. It is the user's responsibility to wait.
+ */
+ virtual void run() = 0;
+ /** Destructor
+ *
+ */
+ virtual ~IFunction() = default;
+};
+}
+#endif /*__ARM_COMPUTE_IFUNCTION_H__ */
diff --git a/arm_compute/runtime/ILutAllocator.h b/arm_compute/runtime/ILutAllocator.h
new file mode 100644
index 0000000..f23fbd2
--- /dev/null
+++ b/arm_compute/runtime/ILutAllocator.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_ILUTALLOCATOR_H__
+#define __ARM_COMPUTE_ILUTALLOCATOR_H__
+
+#include "arm_compute/core/Types.h"
+
+#include <cstddef>
+#include <cstdint>
+
+namespace arm_compute
+{
+/** Basic interface to allocate LUTs' */
+class ILutAllocator
+{
+public:
+ /** Default constructor */
+ ILutAllocator();
+ /** Default virtual destructor */
+ virtual ~ILutAllocator() = default;
+ /** Allow instances of this class to be move constructed */
+ ILutAllocator(ILutAllocator &&) = default;
+ /** Allow instances of this class to be moved */
+ ILutAllocator &operator=(ILutAllocator &&) = default;
+ /** Allocate an LUT of the requested number of elements and data_type.
+ *
+ * @param[in] num_elements Number of elements of the LUT.
+ * @param[in] data_type Data type of each element.
+ */
+ void init(size_t num_elements, DataType data_type);
+ /** Returns the total number of elements in the LUT.
+ *
+ * @return Total number of elements.
+ */
+ size_t num_elements() const;
+ /** Returns the type of the LUT.
+ *
+ * @return The type of the LUT.
+ */
+ DataType type() const;
+ /** Returns the total size in bytes of the LUT.
+ *
+ * @return Total size of the LUT in bytes.
+ */
+ size_t size() const;
+
+protected:
+ /** Interface to be implemented by the child class to allocate the LUT. */
+ virtual void allocate() = 0;
+ /** Interface to be implemented by the child class to lock the memory allocation for the CPU to access.
+ *
+ * @return Pointer to a CPU mapping of the memory
+ */
+ virtual uint8_t *lock() = 0;
+ /** Interface to be implemented by the child class to unlock the memory allocation after the CPU is done accessing it. */
+ virtual void unlock() = 0;
+
+private:
+ size_t _num_elements; /**< Number of elements allocated */
+ DataType _data_type; /**< Data type of LUT elements. */
+};
+}
+#endif /* __ARM_COMPUTE_ILUTALLOCATOR_H__ */
diff --git a/arm_compute/runtime/IScheduler.h b/arm_compute/runtime/IScheduler.h
new file mode 100644
index 0000000..39c027c
--- /dev/null
+++ b/arm_compute/runtime/IScheduler.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_ISCHEDULER_H__
+#define __ARM_COMPUTE_ISCHEDULER_H__
+
+namespace arm_compute
+{
+class ICPPKernel;
+
+/** Scheduler interface to run kernels */
+class IScheduler
+{
+public:
+ /** Destructor. */
+ virtual ~IScheduler() = default;
+ /** Sets the number of threads the scheduler will use to run the kernels.
+ *
+ * @param[in] num_threads If set to 0, then one thread per CPU core available on the system will be used, otherwise the number of threads specified.
+ */
+ virtual void set_num_threads(unsigned int num_threads) = 0;
+ /** Returns the number of threads that the SingleThreadScheduler has in his pool.
+ *
+ * @return Number of threads available in SingleThreadScheduler.
+ */
+ virtual unsigned int num_threads() const = 0;
+ /** Runs the kernel in the same thread as the caller synchronously.
+ *
+ * @param[in] kernel Kernel to execute.
+ * @param[in] split_dimension Dimension along which to split the kernel's execution window.
+ */
+ virtual void schedule(ICPPKernel *kernel, unsigned int split_dimension) = 0;
+};
+}
+#endif /* __ARM_COMPUTE_ISCHEDULER_H__ */
diff --git a/arm_compute/runtime/ITensorAllocator.h b/arm_compute/runtime/ITensorAllocator.h
new file mode 100644
index 0000000..6103e43
--- /dev/null
+++ b/arm_compute/runtime/ITensorAllocator.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_ITENSORALLOCATOR_H__
+#define __ARM_COMPUTE_ITENSORALLOCATOR_H__
+
+#include "arm_compute/core/TensorInfo.h"
+#include "arm_compute/core/Types.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+/** Interface to allocate tensors */
+class ITensorAllocator
+{
+public:
+ /** Default constructor. */
+ ITensorAllocator();
+ /** Allow instances of this class to be copy constructed */
+ ITensorAllocator(const ITensorAllocator &) = default;
+ /** Allow instances of this class to be copied */
+ ITensorAllocator &operator=(const ITensorAllocator &) = default;
+ /** Allow instances of this class to be move constructed */
+ ITensorAllocator(ITensorAllocator &&) = default;
+ /** Allow instances of this class to be moved */
+ ITensorAllocator &operator=(ITensorAllocator &&) = default;
+ /** Default virtual destructor. */
+ virtual ~ITensorAllocator() = default;
+
+ /** Initialize a tensor based on the passed @ref TensorInfo.
+ *
+ * @param[in] input TensorInfo object containing the description of the tensor to initialize.
+ */
+ void init(const TensorInfo &input);
+ /** Return a reference to the tensor's metadata
+ *
+ * @return Reference to the tensor's metadata.
+ */
+ TensorInfo &info();
+ /** Return a constant reference to the tensor's metadata
+ *
+ * @return Constant reference to the tensor's metadata.
+ */
+ const TensorInfo &info() const;
+
+ /** Interface to be implemented by the child class to allocate the tensor.
+ *
+ * @note The child is expected to use the TensorInfo to get the size of the memory allocation.
+ * @warning The tensor must not already be allocated. Otherwise calling the function will fail.
+ */
+ virtual void allocate() = 0;
+
+ /** Interface to be implemented by the child class to free the allocated tensor.
+ *
+ * @warning The tensor must have been allocated previously. Otherwise calling the function will fail.
+ */
+ virtual void free() = 0;
+
+protected:
+ /** Interface to be implemented by the child class to lock the memory allocation for the CPU to access.
+ *
+ * @return Pointer to a CPU mapping of the memory
+ */
+ virtual uint8_t *lock() = 0;
+ /** Interface to be implemented by the child class to unlock the memory allocation after the CPU is done accessing it. */
+ virtual void unlock() = 0;
+
+private:
+ TensorInfo _info; /**< Tensor's metadata. */
+};
+}
+#endif /*__ARM_COMPUTE_ITENSORALLOCATOR_H__ */
diff --git a/arm_compute/runtime/Lut.h b/arm_compute/runtime/Lut.h
new file mode 100644
index 0000000..87431fe
--- /dev/null
+++ b/arm_compute/runtime/Lut.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_LUT_H__
+#define __ARM_COMPUTE_LUT_H__
+
+#include "arm_compute/core/ILut.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/LutAllocator.h"
+
+#include <cstddef>
+#include <cstdint>
+
+namespace arm_compute
+{
+class ILutAllocator;
+
+/** Basic implementation of the LUT interface */
+class Lut : public ILut
+{
+public:
+ /** Constructor */
+ Lut();
+ /** Constructor: initializes a LUT which can contain num_values values of data_type type.
+ *
+ * @param[in] num_elements Number of elements of the LUT.
+ * @param[in] data_type Data type of each element.
+ */
+ Lut(size_t num_elements, DataType data_type);
+ /** Return a pointer to the lut's allocator
+ *
+ * @return A pointer to the lut's allocator
+ */
+ ILutAllocator *allocator();
+
+ // Inherited methods overridden:
+ size_t num_elements() const override;
+ uint32_t index_offset() const override;
+ size_t size_in_bytes() const override;
+ DataType type() const override;
+ uint8_t *buffer() const override;
+ void clear() override;
+
+private:
+ LutAllocator _allocator; /**< Instance of the basic CPU allocator.*/
+};
+}
+#endif /* __ARM_COMPUTE_LUT_H__ */
diff --git a/arm_compute/runtime/LutAllocator.h b/arm_compute/runtime/LutAllocator.h
new file mode 100644
index 0000000..76b596b
--- /dev/null
+++ b/arm_compute/runtime/LutAllocator.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_LUTALLOCATOR_H__
+#define __ARM_COMPUTE_LUTALLOCATOR_H__
+
+#include "arm_compute/runtime/ILutAllocator.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+/** Basic implementation of a CPU memory LUT allocator. */
+class LutAllocator : public ILutAllocator
+{
+public:
+ /** Default constructor. */
+ LutAllocator();
+ /** Interface to be implemented by the child class to return the pointer to the allocate data. */
+ uint8_t *data() const;
+
+protected:
+ /** Allocate num_elements() * sizeof(type()) of CPU memory. */
+ void allocate() override;
+ /** No-op for CPU memory
+ *
+ * @return A pointer to the beginning of the look up table's allocation.
+ */
+ uint8_t *lock() override;
+ /** No-op for CPU memory. */
+ void unlock() override;
+
+private:
+ std::unique_ptr<uint8_t[]> _buffer; /**< CPU memory allocation. */
+};
+}
+#endif /* __ARM_COMPUTE_LUTALLOCATOR_H__ */
diff --git a/arm_compute/runtime/MultiHOG.h b/arm_compute/runtime/MultiHOG.h
new file mode 100644
index 0000000..32bad70
--- /dev/null
+++ b/arm_compute/runtime/MultiHOG.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_MULTIHOG_H__
+#define __ARM_COMPUTE_MULTIHOG_H__
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/IMultiHOG.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/HOG.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+/** CPU implementation of multi HOG data-object */
+class MultiHOG : public IMultiHOG
+{
+public:
+ /** Constructor
+ *
+ * @param[in] num_models Number of HOG data objects to contain
+ *
+ */
+ MultiHOG(size_t num_models);
+
+ // Inherited methods overridden:
+ size_t num_models() const override;
+ IHOG *model(size_t index) override;
+ const IHOG *model(size_t index) const override;
+
+private:
+ size_t _num_models;
+ std::unique_ptr<HOG[]> _model;
+};
+}
+
+#endif /* __ARM_COMPUTE_MULTIHOG_H__ */
diff --git a/arm_compute/runtime/MultiImage.h b/arm_compute/runtime/MultiImage.h
new file mode 100644
index 0000000..917e586
--- /dev/null
+++ b/arm_compute/runtime/MultiImage.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_MULTIIMAGE_H__
+#define __ARM_COMPUTE_MULTIIMAGE_H__
+
+#include "arm_compute/core/IMultiImage.h"
+#include "arm_compute/core/MultiImageInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <array>
+
+namespace arm_compute
+{
+class Coordinates;
+class ITensor;
+using IImage = ITensor;
+
+/** Basic implementation of the multi-planar image interface */
+class MultiImage : public IMultiImage
+{
+public:
+ /** Constructor */
+ MultiImage();
+ /** Allocate the multi-planar image
+ *
+ * @param[in] width Width of the whole image
+ * @param[in] height Height of the whole image
+ * @param[in] format Format of the whole image
+ */
+ void init(unsigned int width, unsigned int height, Format format);
+ /** Allocate the multi-planar image
+ *
+ * @note Uses conservative padding strategy which fits all kernels.
+ *
+ * @param[in] width Width of the whole image
+ * @param[in] height Height of the whole image
+ * @param[in] format Format of the whole image
+ */
+ void init_auto_padding(unsigned int width, unsigned int height, Format format);
+ /** Allocated a previously initialised multi image
+ *
+ * @note The multi image must not already be allocated when calling this function.
+ *
+ **/
+ void allocate();
+ /** Create a subimage from an existing MultiImage.
+ *
+ * @param[in] image Image to use backing memory from
+ * @param[in] coords Starting coordinates of the new image. Should be within the parent image sizes
+ * @param[in] width The width of the subimage
+ * @param[in] height The height of the subimage
+ */
+ void create_subimage(MultiImage *image, const Coordinates &coords, unsigned int width, unsigned int height);
+
+ // Inherited methods overridden:
+ const MultiImageInfo *info() const override;
+ Image *plane(unsigned int index) override;
+ const Image *plane(unsigned int index) const override;
+
+private:
+ /** Init the multi-planar image
+ *
+ * @param[in] width Width of the whole image
+ * @param[in] height Height of the whole image
+ * @param[in] format Format of the whole image
+ * @param[in] auto_padding Specifies whether the image uses auto padding
+ */
+ void internal_init(unsigned int width, unsigned int height, Format format, bool auto_padding);
+
+ MultiImageInfo _info; /** Instance of the multi-planar image's meta data */
+ std::array<Image, 3> _plane; /* Instance Image to hold the planar's information */
+};
+}
+#endif /*__ARM_COMPUTE_MULTIIMAGE_H__ */
diff --git a/arm_compute/runtime/NEON/INESimpleFunction.h b/arm_compute/runtime/NEON/INESimpleFunction.h
new file mode 100644
index 0000000..6e000d8
--- /dev/null
+++ b/arm_compute/runtime/NEON/INESimpleFunction.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_INESIMPLEFUNCTION_H__
+#define __ARM_COMPUTE_INESIMPLEFUNCTION_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+
+namespace arm_compute
+{
+/** Basic interface for functions which have a single NEON kernel */
+class INESimpleFunction : public IFunction
+{
+public:
+ /** Constructor */
+ INESimpleFunction();
+
+ // Inherited methods overridden:
+ void run() override final;
+
+protected:
+ std::unique_ptr<INEKernel> _kernel; /**< Kernel to run */
+ NEFillBorderKernel _border_handler; /**< Kernel to handle image borders */
+};
+}
+#endif /*__ARM_COMPUTE_INESIMPLEFUNCTION_H__ */
diff --git a/arm_compute/runtime/NEON/NEFunctions.h b/arm_compute/runtime/NEON/NEFunctions.h
new file mode 100644
index 0000000..daf76f3
--- /dev/null
+++ b/arm_compute/runtime/NEON/NEFunctions.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEFUNCTIONS_H__
+#define __ARM_COMPUTE_NEFUNCTIONS_H__
+
+/* Header regrouping all the NEON functions */
+#include "arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h"
+#include "arm_compute/runtime/NEON/functions/NEAccumulate.h"
+#include "arm_compute/runtime/NEON/functions/NEActivationLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEArithmeticAddition.h"
+#include "arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h"
+#include "arm_compute/runtime/NEON/functions/NEBatchNormalizationLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEBitwiseAnd.h"
+#include "arm_compute/runtime/NEON/functions/NEBitwiseNot.h"
+#include "arm_compute/runtime/NEON/functions/NEBitwiseOr.h"
+#include "arm_compute/runtime/NEON/functions/NEBitwiseXor.h"
+#include "arm_compute/runtime/NEON/functions/NEBox3x3.h"
+#include "arm_compute/runtime/NEON/functions/NECannyEdge.h"
+#include "arm_compute/runtime/NEON/functions/NEChannelCombine.h"
+#include "arm_compute/runtime/NEON/functions/NEChannelExtract.h"
+#include "arm_compute/runtime/NEON/functions/NEColorConvert.h"
+#include "arm_compute/runtime/NEON/functions/NEConvolution.h"
+#include "arm_compute/runtime/NEON/functions/NEConvolutionLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEDepthConcatenate.h"
+#include "arm_compute/runtime/NEON/functions/NEDepthConvert.h"
+#include "arm_compute/runtime/NEON/functions/NEDerivative.h"
+#include "arm_compute/runtime/NEON/functions/NEDilate.h"
+#include "arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEEqualizeHistogram.h"
+#include "arm_compute/runtime/NEON/functions/NEErode.h"
+#include "arm_compute/runtime/NEON/functions/NEFastCorners.h"
+#include "arm_compute/runtime/NEON/functions/NEFillBorder.h"
+#include "arm_compute/runtime/NEON/functions/NEFullyConnectedLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEGEMM.h"
+#include "arm_compute/runtime/NEON/functions/NEGEMMInterleave4x4.h"
+#include "arm_compute/runtime/NEON/functions/NEGEMMLowp.h"
+#include "arm_compute/runtime/NEON/functions/NEGEMMTranspose1xW.h"
+#include "arm_compute/runtime/NEON/functions/NEGaussian3x3.h"
+#include "arm_compute/runtime/NEON/functions/NEGaussian5x5.h"
+#include "arm_compute/runtime/NEON/functions/NEGaussianPyramid.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGDescriptor.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGDetector.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGGradient.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGMultiDetection.h"
+#include "arm_compute/runtime/NEON/functions/NEHarrisCorners.h"
+#include "arm_compute/runtime/NEON/functions/NEHistogram.h"
+#include "arm_compute/runtime/NEON/functions/NEIntegralImage.h"
+#include "arm_compute/runtime/NEON/functions/NELaplacianPyramid.h"
+#include "arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h"
+#include "arm_compute/runtime/NEON/functions/NELocallyConnectedLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEMagnitude.h"
+#include "arm_compute/runtime/NEON/functions/NEMeanStdDev.h"
+#include "arm_compute/runtime/NEON/functions/NEMedian3x3.h"
+#include "arm_compute/runtime/NEON/functions/NEMinMaxLocation.h"
+#include "arm_compute/runtime/NEON/functions/NENonLinearFilter.h"
+#include "arm_compute/runtime/NEON/functions/NENonMaximaSuppression3x3.h"
+#include "arm_compute/runtime/NEON/functions/NENormalizationLayer.h"
+#include "arm_compute/runtime/NEON/functions/NEOpticalFlow.h"
+#include "arm_compute/runtime/NEON/functions/NEPhase.h"
+#include "arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h"
+#include "arm_compute/runtime/NEON/functions/NEPoolingLayer.h"
+#include "arm_compute/runtime/NEON/functions/NERemap.h"
+#include "arm_compute/runtime/NEON/functions/NEScale.h"
+#include "arm_compute/runtime/NEON/functions/NEScharr3x3.h"
+#include "arm_compute/runtime/NEON/functions/NESobel3x3.h"
+#include "arm_compute/runtime/NEON/functions/NESobel5x5.h"
+#include "arm_compute/runtime/NEON/functions/NESobel7x7.h"
+#include "arm_compute/runtime/NEON/functions/NESoftmaxLayer.h"
+#include "arm_compute/runtime/NEON/functions/NETableLookup.h"
+#include "arm_compute/runtime/NEON/functions/NEThreshold.h"
+#include "arm_compute/runtime/NEON/functions/NETranspose.h"
+#include "arm_compute/runtime/NEON/functions/NEWarpAffine.h"
+#include "arm_compute/runtime/NEON/functions/NEWarpPerspective.h"
+
+#endif /* __ARM_COMPUTE_NEFUNCTIONS_H__ */
diff --git a/arm_compute/runtime/NEON/NEScheduler.h b/arm_compute/runtime/NEON/NEScheduler.h
new file mode 100644
index 0000000..94c82b2
--- /dev/null
+++ b/arm_compute/runtime/NEON/NEScheduler.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NESCHEDULER_H__
+#define __ARM_COMPUTE_NESCHEDULER_H__
+
+#include "arm_compute/runtime/Scheduler.h"
+
+namespace arm_compute
+{
+using NEScheduler = Scheduler;
+}
+#endif /*__ARM_COMPUTE_NESCHEDULER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h b/arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h
new file mode 100644
index 0000000..266a275
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEABSOLUTEDIFFERENCE_H__
+#define __ARM_COMPUTE_NEABSOLUTEDIFFERENCE_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEAbsoluteDifferenceKernel
+ *
+ * @note The image data type for the inputs must be U8 or S16
+ * @note The function calculates the absolute difference also when the 2 inputs have different image data types
+ */
+class NEAbsoluteDifference : public INESimpleFunction
+{
+public:
+ /** Set the inputs and output images
+ *
+ * @param[in] input1 Source tensor. Data types supported: U8/S16.
+ * @param[in] input2 Source tensor. Data types supported: U8/S16.
+ * @param[out] output Destination tensor. Data types supported: U8/S16.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_NEABSOLUTEDIFFERENCE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEAccumulate.h b/arm_compute/runtime/NEON/functions/NEAccumulate.h
new file mode 100644
index 0000000..de532c3
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEAccumulate.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEACCUMULATE_H__
+#define __ARM_COMPUTE_NEACCUMULATE_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEAccumulateKernel */
+class NEAccumulate : public INESimpleFunction
+{
+public:
+ /** Set the input and accumulation tensors
+ *
+ * @param[in] input Source tensor. Data type supported: U8.
+ * @param[out] output Destination tensor. Data type supported: S16.
+ */
+ void configure(const ITensor *input, ITensor *output);
+};
+
+/** Basic function to run @ref NEAccumulateWeightedKernel */
+class NEAccumulateWeighted : public INESimpleFunction
+{
+public:
+ /** Set the input and accumulation tensors, and the scale value
+ *
+ * @param[in] input Source tensor. Data type supported: U8.
+ * @param[in] alpha The input scalar value with a value input the range of [0, 1.0]
+ * @param[in,out] output Accumulated tensor. Data type supported: U8.
+ * @param[in] use_fp16 (Optional) If true the FP16 kernels will be used. If false F32 kernels are used.
+ */
+ void configure(const ITensor *input, float alpha, ITensor *output, bool use_fp16 = false);
+};
+
+/** Basic function to run @ref NEAccumulateSquaredKernel */
+class NEAccumulateSquared : public INESimpleFunction
+{
+public:
+ /** Set the input and accumulation tensors and the shift value.
+ *
+ * @param[in] input Source tensor. Data type supported: U8.
+ * @param[in] shift The input with a value input the range of [0, 15]
+ * @param[in,out] output Accumulated tensor. Data type supported: S16.
+ */
+ void configure(const ITensor *input, uint32_t shift, ITensor *output);
+};
+}
+#endif /*__ARM_COMPUTE_NEACCUMULATE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEActivationLayer.h b/arm_compute/runtime/NEON/functions/NEActivationLayer.h
new file mode 100644
index 0000000..35366e1
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEActivationLayer.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEACTIVATIONLAYER_H__
+#define __ARM_COMPUTE_NEACTIVATIONLAYER_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEActivationLayerKernel
+ *
+ * @note The function simulates an activation layer with the specified activation function.
+ */
+class NEActivationLayer : public INESimpleFunction
+{
+public:
+ /** Set the input and output tensor.
+ *
+ * @param[in] input Source tensor. Data type supported: QS8/F32.
+ * @param[out] output Destination tensor. Data type supported: same as @p input
+ * @param[in] activation_info Activation layer parameters.
+ */
+ void configure(const ITensor *input, ITensor *output, ActivationLayerInfo activation_info);
+};
+}
+#endif /* __ARM_COMPUTE_NEACTIVATIONLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEArithmeticAddition.h b/arm_compute/runtime/NEON/functions/NEArithmeticAddition.h
new file mode 100644
index 0000000..8e34e98
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEArithmeticAddition.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEARITHMETICADDITION_H__
+#define __ARM_COMPUTE_NEARITHMETICADDITION_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEArithmeticAdditionKernel */
+class NEArithmeticAddition : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and conversion policy.
+ *
+ * @param[in] input1 First tensor input. Data types supported: U8/S16.
+ * @param[in] input2 Second tensor input. Data types supported: U8/S16.
+ * @param[out] output Output tensor. Data types supported: U8/S16.
+ * @param[in] policy Policy to use to handle overflow.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy);
+};
+}
+#endif /*__ARM_COMPUTE_NEARITHMETICADDITION_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h b/arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h
new file mode 100644
index 0000000..841b591
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEARITHMETICSUBTRACTION_H__
+#define __ARM_COMPUTE_NEARITHMETICSUBTRACTION_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEArithmeticSubtractionKernel */
+class NEArithmeticSubtraction : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and conversion policy.
+ *
+ * @param[in] input1 First tensor input. Data types supported: U8/S16.
+ * @param[in] input2 Second tensor input. Data types supported: U8/S16.
+ * @param[out] output Output tensor. Data types supported: U8/S16.
+ * @param[in] policy Policy to use to handle overflow.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output, ConvertPolicy policy);
+};
+}
+#endif /* __ARM_COMPUTE_NEARITHMETICSUBTRACTION_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEBatchNormalizationLayer.h b/arm_compute/runtime/NEON/functions/NEBatchNormalizationLayer.h
new file mode 100644
index 0000000..b0b5c12
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEBatchNormalizationLayer.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEBATCHNORMALIZATIONLAYER_H__
+#define __ARM_COMPUTE_NEBATCHNORMALIZATIONLAYER_H__
+
+#include "arm_compute/core/NEON/kernels/NEBatchNormalizationLayerKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NENormalizationLayerKernel and simulate a batch normalization layer.
+ *
+ * Batch normalization is calculated by:
+ * @f[ out_i = \gamma * (\frac{in_i - \mu_{B}}{\sqrt{\sigma^2_{B} + \epsilon}}) + \beta \equiv BN_{\gamma,\beta}(in_i) @f]
+ *
+ */
+class NEBatchNormalizationLayer : public IFunction
+{
+public:
+ /** Default constructor */
+ NEBatchNormalizationLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dimensions represent a single input with dimensions [width, height, FM].
+ * The rest are optional and used for representing batches. Data types supported: QS8/F32.
+ * @param[in] mean Mean values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] var Variance values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] gamma Gamma values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] beta Beta values tensor. 1 dimension with size equal to the feature maps [FM]. Data types supported: Same as @p input
+ * @param[in] epsilon Small value to avoid division with zero.
+ * @param[out] output Destination tensor. Output will have the same number of dimensions as input. Data type supported: same as @p input
+ */
+ void configure(const ITensor *input, ITensor *output, const ITensor *mean, const ITensor *var, const ITensor *beta, const ITensor *gamma, float epsilon);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEBatchNormalizationLayerKernel _norm_kernel; /**< Batch normalization layer kernel */
+};
+}
+#endif /* __ARM_COMPUTE_NEBATCHNORMALIZATIONLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEBitwiseAnd.h b/arm_compute/runtime/NEON/functions/NEBitwiseAnd.h
new file mode 100644
index 0000000..0250293
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEBitwiseAnd.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEBITWISEAND_H__
+#define __ARM_COMPUTE_NEBITWISEAND_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEBitwiseAndKernel */
+class NEBitwiseAnd : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs and output
+ *
+ * @param[in] input1 First tensor input. Data type supported: U8.
+ * @param[in] input2 Second tensor input. Data type supported: U8.
+ * @param[out] output Output tensor. Data type supported: U8.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_NEBITWISEAND_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEBitwiseNot.h b/arm_compute/runtime/NEON/functions/NEBitwiseNot.h
new file mode 100644
index 0000000..62c08ff
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEBitwiseNot.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEBITWISENOT_H__
+#define __ARM_COMPUTE_NEBITWISENOT_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEBitwiseNotKernel */
+class NEBitwiseNot : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's input and output
+ *
+ * @param[in] input Input tensor. Data type supported: U8.
+ * @param[out] output Output tensor. Data type supported: U8.
+ */
+ void configure(const ITensor *input, ITensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_NEBITWISENOT_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEBitwiseOr.h b/arm_compute/runtime/NEON/functions/NEBitwiseOr.h
new file mode 100644
index 0000000..1c9a2f9
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEBitwiseOr.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEBITWISEOR_H__
+#define __ARM_COMPUTE_NEBITWISEOR_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEBitwiseOrKernel */
+class NEBitwiseOr : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs and output
+ *
+ * @param[in] input1 First tensor input. Data type supported: U8.
+ * @param[in] input2 Second tensor input. Data type supported: U8.
+ * @param[out] output Output tensor. Data type supported: U8.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_NEBITWISEOR_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEBitwiseXor.h b/arm_compute/runtime/NEON/functions/NEBitwiseXor.h
new file mode 100644
index 0000000..4690f0a
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEBitwiseXor.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEBITWISEXOR_H__
+#define __ARM_COMPUTE_NEBITWISEXOR_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEBitwiseXorKernel */
+class NEBitwiseXor : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs and output
+ *
+ * @param[in] input1 First tensor input. Data type supported: U8.
+ * @param[in] input2 Second tensor input. Data type supported: U8.
+ * @param[out] output Output tensor. Data type supported: U8.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output);
+};
+}
+#endif /* __ARM_COMPUTE_NEBITWISEXOR_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEBox3x3.h b/arm_compute/runtime/NEON/functions/NEBox3x3.h
new file mode 100644
index 0000000..2b5440a
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEBox3x3.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEBOX3x3_H__
+#define __ARM_COMPUTE_NEBOX3x3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute box filter 3x3. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEBox3x3Kernel
+ *
+ */
+class NEBox3x3 : public INESimpleFunction
+{
+public:
+ /** Initialise the function's input, output and border mode.
+ *
+ * @note The border handler is run on the input tensor.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data type supported: U8.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ * @param[in] use_fp16 (Optional) If true the FP16 kernels will be used. If false F32 kernels are used.
+ */
+ void configure(ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value = 0, bool use_fp16 = false);
+};
+}
+#endif /*__ARM_COMPUTE_NEBOX3x3_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NECannyEdge.h b/arm_compute/runtime/NEON/functions/NECannyEdge.h
new file mode 100644
index 0000000..fbf2d90
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NECannyEdge.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NECANNYEDGE_H__
+#define __ARM_COMPUTE_NECANNYEDGE_H__
+
+#include "arm_compute/core/NEON/kernels/NECannyEdgeKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute canny edge on NEON. This function calls the following NEON kernels and functions:
+ *
+ * -# @ref NEFillBorderKernel (if border_mode == REPLICATE or border_mode == CONSTANT)
+ * -# @ref NESobel3x3 (if gradient_size == 3) or
+ * @ref NESobel5x5 (if gradient_size == 5) or
+ * @ref NESobel7x7 (if gradient_size == 7)
+ * -# @ref NEGradientKernel
+ * -# @ref NEEdgeNonMaxSuppressionKernel
+ * -# @ref NEEdgeTraceKernel
+ *
+ */
+class NECannyEdge : public IFunction
+{
+public:
+ /** Constructor
+ *
+ * Initialize Sobel kernel to nullptr.
+ */
+ NECannyEdge();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NECannyEdge(const NECannyEdge &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NECannyEdge &operator=(const NECannyEdge &) = delete;
+ /** Initialise the function's source, destination, thresholds, gradient size, normalization type and border mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data type supported: U8.
+ * @param[in] upper_thr Upper threhold used for the hysteresis
+ * @param[in] lower_thr Lower threshold used for the hysteresis.
+ * @param[in] gradient_size Gradient size (3, 5 or 7)
+ * @param[in] norm_type Normalization type. If 1, L1-Norm otherwise L2-Norm
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ * @param[in] use_fp16 (Optional) If true the FP16 kernels will be used. If false F32 kernels are used.
+ *
+ */
+ void configure(ITensor *input, ITensor *output, int32_t upper_thr, int32_t lower_thr, int32_t gradient_size, int32_t norm_type, BorderMode border_mode, uint8_t constant_border_value = 0,
+ bool use_fp16 = false);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ std::unique_ptr<IFunction> _sobel; /**< Pointer to Sobel kernel */
+ std::unique_ptr<INEKernel> _gradient; /**< Gradient kernel */
+ NEEdgeNonMaxSuppressionKernel _non_max_suppr; /**< Non-Maxima suppression kernel */
+ NEEdgeTraceKernel _edge_trace; /**< Edge tracing kernel */
+ NEFillBorderKernel _border_mag_gradient; /**< Fill border on magnitude tensor kernel */
+ NEFillBorderKernel _border_edge_trace; /**< Fill border before edge trace */
+ Tensor _gx; /**< Source tensor - Gx component */
+ Tensor _gy; /**< Source tensor - Gy component */
+ Tensor _magnitude; /**< Source tensor - Magnitude */
+ Tensor _phase; /**< Source tensor - Phase */
+ Tensor _nonmax; /**< Source tensor - Non-Maxima suppressed */
+ ITensor *_output; /**< Output tensor provided by the user. */
+};
+}
+#endif /* __ARM_COMPUTE_NECANNYEDGE_H */
diff --git a/arm_compute/runtime/NEON/functions/NEChannelCombine.h b/arm_compute/runtime/NEON/functions/NEChannelCombine.h
new file mode 100644
index 0000000..7133553
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEChannelCombine.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NECHANNELCOMBINE_H__
+#define __ARM_COMPUTE_NECHANNELCOMBINE_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class IMultiImage;
+class ITensor;
+using IImage = ITensor;
+
+/**Basic function to run @ref NEChannelCombineKernel to perform channel combination. */
+class NEChannelCombine : public INESimpleFunction
+{
+public:
+ /** Initialize function's inputs and outputs.
+ *
+ * @param[in] plane0 The 2D plane that forms channel 0. Data type supported: U8
+ * @param[in] plane1 The 2D plane that forms channel 1. Data type supported: U8
+ * @param[in] plane2 The 2D plane that forms channel 2. Data type supported: U8
+ * @param[in] plane3 The 2D plane that forms channel 3. Data type supported: U8
+ * @param[out] output The single planar output tensor. Formats supported: RGB888/RGBA8888/UYVY422/YUYV422
+ */
+ void configure(const ITensor *plane0, const ITensor *plane1, const ITensor *plane2, const ITensor *plane3, ITensor *output);
+ /** Initialize function's inputs and outputs.
+ *
+ * @param[in] plane0 The 2D plane that forms channel 0. Data type supported: U8
+ * @param[in] plane1 The 2D plane that forms channel 1. Data type supported: U8
+ * @param[in] plane2 The 2D plane that forms channel 2. Data type supported: U8
+ * @param[out] output The multi planar output image. Formats supported: NV12/NV21/IYUV/YUV444
+ */
+ void configure(const IImage *plane0, const IImage *plane1, const IImage *plane2, IMultiImage *output);
+};
+}
+#endif /*__ARM_COMPUTE_NECHANNELCOMBINE_H__*/
diff --git a/arm_compute/runtime/NEON/functions/NEChannelExtract.h b/arm_compute/runtime/NEON/functions/NEChannelExtract.h
new file mode 100644
index 0000000..5e46eef
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEChannelExtract.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NECHANNELEXTRACT_H__
+#define __ARM_COMPUTE_NECHANNELEXTRACT_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class IMultiImage;
+class ITensor;
+using IImage = ITensor;
+
+/**Basic function to run @ref NEChannelExtractKernel to perform channel extraction. */
+class NEChannelExtract : public INESimpleFunction
+{
+public:
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The input tensor to extract the channel from. Formats supported: Any single planar.
+ * @param[in] channel The channel to extract.
+ * @param[out] output The extracted channel. Format supported: U8
+ */
+ void configure(const ITensor *input, Channel channel, ITensor *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The multi-planar input image to extract channel from.
+ * @param[in] channel The channel to extract.
+ * @param[out] output The extracted channel. Format supported: U8
+ */
+ void configure(const IMultiImage *input, Channel channel, IImage *output);
+};
+}
+#endif /*__ARM_COMPUTE_NECHANNELEXTRACT_H__*/
diff --git a/arm_compute/runtime/NEON/functions/NEColorConvert.h b/arm_compute/runtime/NEON/functions/NEColorConvert.h
new file mode 100644
index 0000000..2997778
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEColorConvert.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NECOLORCONVERT_H__
+#define __ARM_COMPUTE_NECOLORCONVERT_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+class IMultiImage;
+using IImage = ITensor;
+
+/**Basic function to run @ref NEColorConvertKernel to perform color conversion */
+class NEColorConvert : public INESimpleFunction
+{
+public:
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The input single-planar tensor from which to convert
+ * @param[in] output The converted single-planar output tensor
+ */
+ void configure(const ITensor *input, ITensor *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The multi-planar input image from which to convert
+ * @param[in] output The converted single-planar output image
+ */
+ void configure(const IMultiImage *input, IImage *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The single-planar input image from which to convert
+ * @param[in] output The converted multi-planar output image
+ */
+ void configure(const IImage *input, IMultiImage *output);
+ /** Initialize the function's source, destination
+ *
+ * @param[in] input The multi-planar input image from which to convert
+ * @param[in] output The converted multi-planar output image
+ */
+ void configure(const IMultiImage *input, IMultiImage *output);
+};
+}
+#endif /*__ARM_COMPUTE_NECOLORCONVERT_H__*/
diff --git a/arm_compute/runtime/NEON/functions/NEConvolution.h b/arm_compute/runtime/NEON/functions/NEConvolution.h
new file mode 100644
index 0000000..1704d9f
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEConvolution.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NECONVOLUTION_H__
+#define __ARM_COMPUTE_NECONVOLUTION_H__
+
+#include "arm_compute/core/NEON/kernels/NEConvolutionKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute convolution of size 3x3. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEConvolution3x3Kernel
+ *
+ */
+class NEConvolution3x3 : public INESimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8/S16.
+ * @param[in] conv Matrix_size x matrix_size S16 coefficients structured as a row-major 2D array in a linear buffer.
+ * @param[in] scale Scale of the convolution matrix. If 0 is passed, it will be set to the sum of the coefficients of the convolution or 1 if they add up to 0.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, const int16_t *conv, uint32_t scale, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+
+/** Basic function to execute convolution of size 5x5, 7x7, 9x9. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEConvolutionKernel or<br/>
+ * @ref NESeparableConvolutionHorKernel and @ref NESeparableConvolutionVertKernel (if convolution matrix is separable)
+ *
+ */
+template <unsigned int matrix_size>
+class NEConvolutionSquare : public IFunction
+{
+public:
+ /** Default constructor */
+ NEConvolutionSquare();
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8 or S16.
+ * @param[in] conv matrix_size x matrix_size S16 coefficients structured as a row-major 2D array in a linear buffer.
+ * @param[in] scale Scale of the convolution matrix. If 0 is passed, it will be set to the sum of the coefficients of the convolution or 1 if they add up to 0.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, const int16_t *conv, uint32_t scale, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ Tensor _tmp; /**< temporary buffer for output of horizontal pass */
+ bool _is_separable; /**< true if the convolution can be separated */
+ NESeparableConvolutionHorKernel<matrix_size> _kernel_hor; /**< kernel for horizontal pass of separated convolution */
+ NESeparableConvolutionVertKernel<matrix_size> _kernel_vert; /**< kernel for vertical pass of separated convolution */
+ NEConvolutionKernel<matrix_size> _kernel; /**< kernel for non-separated convolution **/
+ NEFillBorderKernel _border_handler; /**< kernel for border handling */
+};
+
+/** Basic function to run 5x5 convolution. */
+using NEConvolution5x5 = NEConvolutionSquare<5>;
+/** Basic function to run 7x7 convolution. */
+using NEConvolution7x7 = NEConvolutionSquare<7>;
+/** Basic function to run 9x9 convolution. */
+using NEConvolution9x9 = NEConvolutionSquare<9>;
+
+/** Basic function to execute non-square convolution. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEConvolutionRectangleKernel or<br/>
+ *
+ * @note Convolution rectangle should have dimensions of 3, 5, 7, 9
+ */
+class NEConvolutionRectangle : public INESimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in,out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data types supported: U8 or S16.
+ * @param[in] conv Matrix_size x matrix_size S16 coefficients structured as a row-major 2D array in a linear buffer.
+ * @param[in] rows Rows of convolution kernel.
+ * @param[in] cols Columns of convolution kernel.
+ * @param[in] scale Scale of the convolution matrix. If 0 is passed, it will be set to the sum of the coefficients of the convolution or 1 if they add up to 0.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, const int16_t *conv, uint32_t rows, uint32_t cols, uint32_t scale, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NECONVOLUTION_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEConvolutionLayer.h b/arm_compute/runtime/NEON/functions/NEConvolutionLayer.h
new file mode 100644
index 0000000..a8fff8d
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEConvolutionLayer.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NECONVOLUTIONLAYER_H__
+#define __ARM_COMPUTE_NECONVOLUTIONLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/NEON/kernels/NECol2ImKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMMatrixMultiplyKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMTranspose1xWKernel.h"
+#include "arm_compute/core/NEON/kernels/NEIm2ColKernel.h"
+#include "arm_compute/core/NEON/kernels/NEWeightsReshapeKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Function to reshape and perform 1xW transposition on the weights. This function calls the following kernels:
+ * -# @ref NEWeightsReshapeKernel
+ * -# @ref NEGEMMTranspose1xWKernel (executed in case GEMM is required for the operation)
+ */
+class NEConvolutionLayerReshapeWeights : public IFunction
+{
+public:
+ /** Constructor */
+ NEConvolutionLayerReshapeWeights();
+ /** Set the input and output tensors.
+ *
+ * @param[in] weights Weights tensor. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported: QS8/F32.
+ * @param[in] biases Biases tensor. Shared biases supported. Biases are 1D tensor with dimensions [OFM]. Data type supported: Same as @p weights.
+ * @param[out] output Destination tensor. Data types supported: Same as @p weights.
+ * @param[in] transpose1xW True if the weights are to undergo a 1xW transposition after reshaping (in case of GEMM operation), false otherwise.
+ * Data types supported: Same as @p weights.
+ */
+ void configure(const ITensor *weights, const ITensor *biases, ITensor *output, bool transpose1xW);
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEWeightsReshapeKernel _weights_reshape_kernel;
+ NEGEMMTranspose1xWKernel _weights_transposed_kernel;
+ Tensor _weights_reshaped;
+ bool _transpose1xW;
+};
+
+/** Basic function to simulate a convolution layer. This function calls the following NEON kernels:
+ * -# @ref NEWeightsReshapeKernel (executed only once for each configuration)
+ * -# @ref NEIm2ColKernel
+ * -# @ref NEGEMMInterleave4x4Kernel (executed only in case GEMM is required for the operation)
+ * -# @ref NEGEMMMatrixMultiplyKernel
+ * -# @ref NECol2ImKernel
+ */
+class NEConvolutionLayer : public IFunction
+{
+public:
+ /** Constructor */
+ NEConvolutionLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dimensions represent a single input [width, height, IFM],
+ * while every optional dimension from 4 and above represent a batch of inputs.
+ * Data types supported: QS8/F32.
+ * @param[in] weights Weights tensor. Weights are 4D tensor with dimensions [kernel_x, kernel_y, IFM, OFM]. Data type supported: Same as @p input.
+ * @param[in] biases Biases tensor. Shared biases supported. Biases are 1D tensor with dimensions [OFM]. Data type supported: Same as @p input.
+ * @param[out] output Destination tensor. 3 lower dimensions represent a single output [width, height, OFM], while the rest represent batch of outputs.
+ * Data types supported: Same as @p input.
+ * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo.
+ * @param[in] weights_info Specifies if the weights tensor has been reshaped with NEWeightsReshapeKernel. If this is not part of the fully connected layer the weights
+ * tensor has also been transposed with NEGEMMTranspose1xWKernel. Data type supported: Same as @p input.
+ */
+ void configure(const ITensor *input, const ITensor *weights, const ITensor *biases, ITensor *output, const PadStrideInfo &conv_info, const WeightsInfo &weights_info = WeightsInfo());
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEIm2ColKernel _input_im2col_kernel;
+ NEGEMMInterleave4x4Kernel _input_interleave_kernel;
+ NEConvolutionLayerReshapeWeights _reshape_weights;
+ NEGEMMMatrixMultiplyKernel _mm_kernel;
+ NECol2ImKernel _output_col2im_kernel;
+ Tensor _input_im2col_reshaped;
+ Tensor _input_interleaved_reshaped;
+ Tensor _weights_reshaped;
+ Tensor _gemm_output;
+ bool _has_bias;
+ bool _is_fully_connected_convolution;
+ bool _are_weights_reshaped;
+};
+}
+#endif /* __ARM_COMPUTE_NECONVOLUTIONLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEDepthConcatenate.h b/arm_compute/runtime/NEON/functions/NEDepthConcatenate.h
new file mode 100644
index 0000000..02ff122
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEDepthConcatenate.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEDEPTHCONCATENATE_H__
+#define __ARM_COMPUTE_NEDEPTHCONCATENATE_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include <memory>
+#include <vector>
+
+namespace arm_compute
+{
+class ITensor;
+class NEDepthConcatenateKernel;
+class NEFillBorderKernel;
+
+/** Basic function to execute concatenate tensors along z axis. This function calls the following kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if input's lowest two dimensions are smaller than respective output's dimensions)
+ * -# @ref NEDepthConcatenateKernel
+ *
+ */
+class NEDepthConcatenate : public IFunction
+{
+public:
+ /** Default constructor */
+ NEDepthConcatenate();
+ /** Initialise the kernel's inputs vector and output.
+ *
+ * @param[in,out] inputs_vector The vectors containing all the tensors to concatenate. Data types supported: F32.
+ * @param[out] output Output tensor. Data types supported: F32.
+ */
+ void configure(std::vector<ITensor *> inputs_vector, ITensor *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ std::vector<ITensor *> _inputs_vector;
+ std::unique_ptr<NEDepthConcatenateKernel[]> _concat_kernels_vector;
+ std::unique_ptr<NEFillBorderKernel[]> _border_handlers_vector;
+ unsigned int _num_inputs;
+};
+}
+#endif /* __ARM_COMPUTE_NEDEPTHCONCATENATE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEDepthConvert.h b/arm_compute/runtime/NEON/functions/NEDepthConvert.h
new file mode 100644
index 0000000..7c59ce4
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEDepthConvert.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEDEPTHCONVERT_H__
+#define __ARM_COMPUTE_NEDEPTHCONVERT_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/**Basic function to run @ref NEDepthConvertKernel */
+class NEDepthConvert : public INESimpleFunction
+{
+public:
+ /* Contructor */
+ NEDepthConvert() = default;
+ /** Prevent instances of this class from being copied (As this class contains pointers)*/
+ NEDepthConvert(const NEDepthConvert &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers)*/
+ const NEDepthConvert &operator=(const NEDepthConvert &) = delete;
+ /** Initialize the function's source, destination
+ *
+ * Input format must be different than output format.
+ *
+ * Valid conversions Input -> Output :
+ * QS8 -> F32
+ * U8 -> U16, S16, S32
+ * U16 -> U8, U32
+ * S16 -> U8, S32
+ * F32 -> QS8
+ *
+ *
+ * @param[in] input The input tensor to convert. Data type supported: QS8/U8/U16/S16/F32.
+ * @param[out] output The output tensor. Data type supported: QS8/U8/U16/S16/U32/S32/F32.
+ * @param[in] policy Conversion policy.
+ * @param[in] shift Value for down/up conversions. Must be 0 <= shift < 8.
+ * It is not used on fixed point conversion.
+ */
+ void configure(const ITensor *input, ITensor *output, ConvertPolicy policy, uint32_t shift);
+};
+}
+#endif /*__ARM_COMPUTE_NEDEPTHCONVERT_H__*/
diff --git a/arm_compute/runtime/NEON/functions/NEDerivative.h b/arm_compute/runtime/NEON/functions/NEDerivative.h
new file mode 100644
index 0000000..57b7409
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEDerivative.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEDERIVATIVE_H__
+#define __ARM_COMPUTE_NEDERIVATIVE_H__
+
+#include "arm_compute/core/NEON/kernels/NEDerivativeKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute first order derivative operator. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEDerivativeKernel
+ *
+ */
+class NEDerivative : public IFunction
+{
+public:
+ /** Default constructor */
+ NEDerivative();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination tensor. Derivative along the X direction. Data type supported: S16.
+ * @param[out] output_y (optional) Destination tensor. Derivative along the Y direction. Data type supported: S16.
+ * @param[in] border_mode Border mode to use
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEDerivativeKernel _kernel; /**< Derivative kernel */
+ NEFillBorderKernel _border_handler; /**< Kernel to handle tensor borders */
+};
+}
+#endif /* __ARM_COMPUTE_NEDERIVATIVE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEDilate.h b/arm_compute/runtime/NEON/functions/NEDilate.h
new file mode 100644
index 0000000..17bdb33
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEDilate.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEDILATE_H__
+#define __ARM_COMPUTE_NEDILATE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute dilate. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEDilateKernel
+ *
+ */
+class NEDilate : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and border mode.
+ *
+ * @param[in, out] input First tensor input. Data type supported: U8.(Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Output tensor. Data type supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value);
+};
+}
+#endif /*__ARM_COMPUTE_NEDILATE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h b/arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h
new file mode 100644
index 0000000..a356cac
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEDirectConvolutionLayer.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEDIRECTCONVOLUTIONLAYER_H__
+#define __ARM_COMPUTE_NEDIRECTCONVOLUTIONLAYER_H__
+
+#include "arm_compute/core/NEON/kernels/NEDirectConvolutionLayerBiasAccumulateKernel.h"
+#include "arm_compute/core/NEON/kernels/NEDirectConvolutionLayerKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+/** Function to run the direct convolution.
+ *
+ * This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel for the input
+ * -# @ref NEDirectConvolutionLayerBiasAccumulateKernel
+ * -# @ref NEDirectConvolutionLayerKernel
+ */
+class NEDirectConvolutionLayer : public IFunction
+{
+public:
+ /** Constructor */
+ NEDirectConvolutionLayer();
+ /** Set the input, weights, biases and output tensors.
+ *
+ * @param[in, out] input Input tensor. Data types supported: QS8/F32.
+ * @param[in] weights Set of kernels to convolve the input volume.
+ * The 3rd dimension must be the same as the input's volume 3rd dimension.
+ * Data type supported: Same as @p input.
+ * @param[in] bias Set of biases. Data type supported: Same as @p input.
+ * @param[out] output Output tensor.
+ * The 3rd dimensions must be equal to the 4th dimension of the @p kernels tensor. Data types supported: Same as @p input.
+ * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo.
+ */
+ void configure(ITensor *input, const ITensor *weights, const ITensor *bias, ITensor *output, const PadStrideInfo &conv_info);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEDirectConvolutionLayerBiasAccumulateKernel _accumulate_bias_kernel;
+ NEDirectConvolutionLayerKernel _conv_kernel;
+ NEFillBorderKernel _input_border_handler;
+ Tensor _accumulator;
+};
+}
+#endif /* __ARM_COMPUTE_NEDIRECTCONVOLUTIONLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEEqualizeHistogram.h b/arm_compute/runtime/NEON/functions/NEEqualizeHistogram.h
new file mode 100644
index 0000000..6cf8008
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEEqualizeHistogram.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEEQUALIZEHISTOGRAM_H__
+#define __ARM_COMPUTE_NEEQUALIZEHISTOGRAM_H__
+
+#include "arm_compute/core/NEON/kernels/NECumulativeDistributionKernel.h"
+#include "arm_compute/core/NEON/kernels/NEHistogramKernel.h"
+#include "arm_compute/core/NEON/kernels/NETableLookupKernel.h"
+#include "arm_compute/runtime/Distribution1D.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Lut.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+using IImage = ITensor;
+
+/** Basic function to execute histogram equalization. This function calls the following NEON kernels:
+ *
+ * -# @ref NEHistogramKernel
+ * -# @ref NECumulativeDistributionKernel
+ * -# @ref NETableLookupKernel
+ *
+ */
+class NEEqualizeHistogram : public IFunction
+{
+public:
+ /** Default Constructor. */
+ NEEqualizeHistogram();
+ /** Initialise the kernel's inputs.
+ *
+ * @note Currently the width of the input image must be a multiple of 16.
+ *
+ * @param[in] input Input image. Data type supported: U8.
+ * @param[out] output Output image. Data type supported: same as @p input
+ */
+ void configure(const IImage *input, IImage *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEHistogramKernel _histogram_kernel; /**< Kernel that calculates the histogram of input. */
+ NECumulativeDistributionKernel _cd_histogram_kernel; /**< Kernel that calculates the cumulative distribution
+ and creates the relevant LookupTable. */
+ NETableLookupKernel _map_histogram_kernel; /**< Kernel that maps the input to output using the lut. */
+ Distribution1D _hist; /**< Distribution that holds the histogram of the input image. */
+ Distribution1D _cum_dist; /**< Distribution that holds the cummulative distribution of the input histogram. */
+ Lut _cd_lut; /**< Holds the equalization lookuptable. */
+ static constexpr uint32_t nr_bins{ 256 }; /**< Histogram bins of the internal histograms. */
+ static constexpr uint32_t max_range{ nr_bins - 1 }; /**< Histogram range of the internal histograms. */
+};
+}
+#endif /*__ARM_COMPUTE_NEEQUALIZEHISTOGRAM_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEErode.h b/arm_compute/runtime/NEON/functions/NEErode.h
new file mode 100644
index 0000000..940ae18
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEErode.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEERODE_H__
+#define __ARM_COMPUTE_NEERODE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute erode. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEErodeKernel
+ *
+ */
+class NEErode : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and border mode
+ *
+ * @param[in, out] input First tensor input. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Output tensor. Data type supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value);
+};
+}
+#endif /*__ARM_COMPUTE_NEERODE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEFastCorners.h b/arm_compute/runtime/NEON/functions/NEFastCorners.h
new file mode 100644
index 0000000..d7c3175
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEFastCorners.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEFASTCORNERS_H__
+#define __ARM_COMPUTE_NEFASTCORNERS_H__
+
+#include "arm_compute/core/NEON/kernels/NEFastCornersKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillArrayKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NENonMaximaSuppression3x3Kernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/Array.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+using IImage = ITensor;
+
+/** Basic function to execute fast corners. This function call the following NEON kernels:
+ *
+ * -# @ref NEFastCornersKernel
+ * -# @ref NENonMaximaSuppression3x3Kernel (executed if nonmax_suppression == true)
+ * -# @ref NEFillArrayKernel
+ *
+ */
+class NEFastCorners : public IFunction
+{
+public:
+ /** Constructor */
+ NEFastCorners();
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in, out] input Source image. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[in] threshold Threshold on difference between intensity of the central pixel and pixels on Bresenham's circle of radius 3.
+ * @param[in] nonmax_suppression If true, non-maximum suppression is applied to detected corners before being placed in the array.
+ * @param[out] corners Array of keypoints to store the results.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(IImage *input, float threshold, bool nonmax_suppression, KeyPointArray *corners,
+ BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEFastCornersKernel _fast_corners_kernel;
+ NEFillBorderKernel _border_handler;
+ NENonMaximaSuppression3x3Kernel _nonmax_kernel;
+ NEFillArrayKernel _fill_kernel;
+ Image _output;
+ Image _suppressed;
+ bool _non_max;
+};
+}
+#endif /*__ARM_COMPUTE_NEFASTCORNERS_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEFillBorder.h b/arm_compute/runtime/NEON/functions/NEFillBorder.h
new file mode 100644
index 0000000..b6b7e77
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEFillBorder.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEFILLBORDER_H__
+#define __ARM_COMPUTE_NEFILLBORDER_H__
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/PixelValue.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEFillBorderKernel */
+class NEFillBorder : public IFunction
+{
+public:
+ /** Initialize the function's source, destination and border_mode.
+ *
+ * @note This function fills the borders within the XY-planes.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8/QS8/S16/S32/F32
+ * @param[in] border_width Width of the tensor border in pixels.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, unsigned int border_width, BorderMode border_mode, const PixelValue &constant_border_value = PixelValue());
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEFillBorderKernel _border_handler; /**< Kernel to handle image borders */
+};
+}
+#endif /*__ARM_COMPUTE_NEFILLBORDER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEFullyConnectedLayer.h b/arm_compute/runtime/NEON/functions/NEFullyConnectedLayer.h
new file mode 100644
index 0000000..33ec4ef
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEFullyConnectedLayer.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEFULLYCONNECTEDLAYER_H__
+#define __ARM_COMPUTE_NEFULLYCONNECTEDLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/NEON/kernels/NEGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMMatrixAccumulateBiasesKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMMatrixMultiplyKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMTranspose1xWKernel.h"
+#include "arm_compute/core/NEON/kernels/NEIm2ColKernel.h"
+#include "arm_compute/core/NEON/kernels/NETransposeKernel.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+/** Basic function to reshape the weights of Fully Connected layer with NEON. This function calls the following kernels:
+ *
+ * -# @ref NETransposeKernel (if @p transpose_weights is set to true)
+ * -# @ref NEGEMMTranspose1xWKernel (if @p is_batched_fc_layer is set to true)
+ *
+ * @note The fully connected layer accepts "weights" tensors only with 2 dimensions.
+ */
+class NEFullyConnectedLayerReshapeWeights : public IFunction
+{
+public:
+ /** Constructor */
+ NEFullyConnectedLayerReshapeWeights();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Weights tensor. The weights must be 2 dimensional. Data types supported: QS8/F32.
+ * @param[out] output Destination tensor. Data type supported: Same as @p input.
+ * @param[in] transpose_weights True if the weights must be transposed. Data types supported: Same as @p weights.
+ * @param[in] is_batched_fc_layer True if it is a batched fully connected layer
+ */
+ void configure(const ITensor *input, ITensor *output, bool transpose_weights, bool is_batched_fc_layer);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NETransposeKernel _transpose_kernel;
+ NEGEMMTranspose1xWKernel _transpose1xW_kernel;
+ Tensor _transpose_output;
+ bool _transpose_weights;
+ bool _is_batched_fc_layer;
+};
+
+/** Basic function to compute a Fully Connected layer on NEON. This function calls the following NEON kernels:
+ * -# @ref NEIm2ColKernel (called when the input comes from a convolutional layer)
+ * -# @ref NEFullyConnectedLayerReshapeWeights (if @p are_weights_reshaped flag is set to false) (called once)
+ * -# @ref NEGEMMInterleave4x4Kernel (called if we have a multi-batch input)
+ * -# @ref NEGEMMMatrixMultiplyKernel
+ * -# @ref NEGEMMMatrixAccumulateBiasesKernel (if @p biases is not equal to nullptr)
+ *
+ * @note The fully connected layer accepts "weights" tensors only with 2 dimensions.
+ */
+class NEFullyConnectedLayer : public IFunction
+{
+public:
+ /** Constructor */
+ NEFullyConnectedLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data type supported: QS8/F32.
+ * @param[in] weights Weights tensor. The weights must be 2 dimensional. Data type supported: Same as @p input.
+ * @param[in] biases Bias tensor. Can be nullptr. Data type supported:Same as @p input.
+ * @param[out] output Destination tensor. Data type supported: Same as @p input.
+ * @param[in] transpose_weights (Optional) Transpose the weights tensor if true. Defaults to true.
+ * @param[in] are_weights_reshaped (Optional) Reshape the weights tensor if false. Defaults to false.
+ */
+ void configure(const ITensor *input, const ITensor *weights, const ITensor *biases, ITensor *output, bool transpose_weights = true, bool are_weights_reshaped = false);
+
+ //Inherited methods override
+ void run() override;
+
+private:
+ void configure_fc_fc_wb(const ITensor *input, const ITensor *weights, ITensor *output);
+ void configure_fc_fc_nb(const ITensor *input, const ITensor *weights, ITensor *output);
+ void configure_conv_fc_wb(const ITensor *input, const ITensor *weights, ITensor *output);
+ void configure_conv_fc_nb(const ITensor *input, const ITensor *weights, ITensor *output);
+
+ NEIm2ColKernel _im2col_kernel;
+ NEFullyConnectedLayerReshapeWeights _reshape_weights_kernel;
+ NEGEMMInterleave4x4Kernel _interleave4x4_kernel;
+ NEGEMMMatrixMultiplyKernel _mm_kernel;
+ NEGEMMMatrixAccumulateBiasesKernel _accumulate_biases_kernel;
+ Tensor _im2col_output;
+ Tensor _interleave4x4_output;
+ Tensor _reshape_weights_output;
+ bool _are_weights_reshaped;
+ bool _is_fc_after_conv;
+ bool _is_batched_fc_layer;
+ bool _accumulate_biases;
+};
+}
+#endif /* __ARM_COMPUTE_NEFULLYCONNECTEDLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEGEMM.h b/arm_compute/runtime/NEON/functions/NEGEMM.h
new file mode 100644
index 0000000..a40aa91
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEGEMM.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEGEMM_H__
+#define __ARM_COMPUTE_NEGEMM_H__
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMMatrixAdditionKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMMatrixMultiplyKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMTranspose1xWKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+/** Basic function to execute GEMM on NEON. This function calls the following NEON kernels:
+ *
+ * -# @ref NEGEMMInterleave4x4Kernel (if the output tensor is a matrix)
+ * -# @ref NEGEMMTranspose1xWKernel (if the output tensor is a matrix)
+ * -# @ref NEGEMMMatrixMultiplyKernel
+ * -# @ref NEGEMMMatrixAdditionKernel (if c != nullptr and beta != 0.0)
+ *
+ */
+class NEGEMM : public IFunction
+{
+public:
+ /** Constructor */
+ NEGEMM();
+ /** Initialise the kernel's inputs, output
+ *
+ * @note GEMM: General Matrix Multiply - [alpha * A * B + beta * C].
+ * @note GEMM: The tensors a, b, c, d must have the same data type. You should not mix data types when calling this function.
+ *
+ * @param[in] a First input tensor (Matrix A or Vector A). Data type supported: QS8/F16/F32
+ * @param[in] b Second input tensor (Matrix B). Data type supported: same as @p a
+ * @param[in] c Third input tensor (Matrix C). It can be a nullptr if just the multiplication between @p a and @p b is needed. Data type supported: same as @p a
+ * @param[out] d Output tensor. Data type supported: same as @p a
+ * @param[in] alpha Weight of the matrix product
+ * @param[in] beta Weight of matrix C
+ */
+ void configure(const ITensor *a, const ITensor *b, const ITensor *c, ITensor *d, float alpha, float beta);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEGEMMInterleave4x4Kernel _interleave_kernel;
+ NEGEMMTranspose1xWKernel _transpose_kernel;
+ NEGEMMMatrixMultiplyKernel _mm_kernel;
+ NEGEMMMatrixAdditionKernel _ma_kernel;
+ Tensor _tmp_a;
+ Tensor _tmp_b;
+ bool _run_vector_matrix_multiplication;
+ bool _run_addition;
+};
+}
+#endif /*__ARM_COMPUTE_NEGEMM_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEGEMMInterleave4x4.h b/arm_compute/runtime/NEON/functions/NEGEMMInterleave4x4.h
new file mode 100644
index 0000000..b911fd0
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEGEMMInterleave4x4.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEGEMMINTERLEAVE4X4_H__
+#define __ARM_COMPUTE_NEGEMMINTERLEAVE4X4_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute NEGEMMInterleave4x4Kernel. This function calls the following NEON kernel:
+ *
+ * -# @ref NEGEMMInterleave4x4Kernel
+ *
+ */
+class NEGEMMInterleave4x4 : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output
+ *
+ * @param[in] input First input tensor. Data types supported: U8/S8/QS8/U16/S16/F16/U32/S32/F32
+ * @param[out] output Output tensor. Data type supported: same as @p input
+ */
+ void configure(const ITensor *input, ITensor *output);
+};
+}
+#endif /*__ARM_COMPUTE_NEGEMMINTERLEAVE4X4_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEGEMMLowp.h b/arm_compute/runtime/NEON/functions/NEGEMMLowp.h
new file mode 100644
index 0000000..bfb1a49
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEGEMMLowp.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEGEMMLOWP_H__
+#define __ARM_COMPUTE_NEGEMMLOWP_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMInterleave4x4Kernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMLowpMatrixMultiplyKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGEMMTranspose1xWKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute GEMMLowp on NEON. This function calls the following NEON kernels:
+*
+* -# @ref NEGEMMInterleave4x4Kernel
+* -# @ref NEGEMMTranspose1xWKernel
+* -# @ref NEGEMMLowpMatrixMultiplyKernel
+*
+*/
+class NEGEMMLowp : public IFunction
+{
+public:
+ /** Constructor */
+ NEGEMMLowp();
+ /** Initialise the kernel's inputs, output
+ *
+ * @note GEMM_LOWP: low precision GEMM kernel
+ * This kernel performs the following computation:
+ *
+ * -# Convert a values from uint8 to int32 and add a_offset to each of them.
+ * -# Convert b values from uint8 to int32 and add b_offset to each of them.
+ * -# Compute the int32 matrix product of the resulting a * b.
+ * -# Add output_offset to each entry of the result.
+ * -# Multiply each entry of the result and round to the nearest integer
+ * -# Clamp the resulting int32 values to the [0..255] range and cast to uint8.
+ *
+ * @param[in] a First input tensor (Matrix A). Data type supported: U8.
+ * @param[in] b Second input tensor (Matrix B). Data type supported: same as @p a
+ * @param[out] output Output tensor. Data type supported: same as @p a.
+ * @param[in] a_offset Offset to be added to each element of the matrix A.
+ * @param[in] b_offset Offset to be added to each element of the matrix B.
+ * @param[in] output_offset Offset to be added to each element of the output matrix
+ * @param[in] output_mult_int Value to be multiplied to each element of the output matrix
+ * @param[in] shift Number of bits to shift right the result.
+ */
+ void configure(const ITensor *a, const ITensor *b, ITensor *output, int32_t a_offset, int32_t b_offset, int32_t output_offset, int32_t output_mult_int, int32_t shift);
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEGEMMInterleave4x4Kernel _interleave_kernel;
+ NEGEMMTranspose1xWKernel _transpose_kernel;
+ NEGEMMLowpMatrixMultiplyKernel _mm_kernel;
+ Tensor _tmp_a;
+ Tensor _tmp_b;
+};
+}
+#endif /*__ARM_COMPUTE_NEGEMMLOWP_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEGEMMTranspose1xW.h b/arm_compute/runtime/NEON/functions/NEGEMMTranspose1xW.h
new file mode 100644
index 0000000..447b8c9
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEGEMMTranspose1xW.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEGEMMTRANSPOSE1XW_H__
+#define __ARM_COMPUTE_NEGEMMTRANSPOSE1XW_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+/** Basic function to execute NEGEMMTranspose1xWKernel. This function calls the following NEON kernels:
+ *
+ * -# @ref NEGEMMTranspose1xWKernel
+ *
+ */
+class NEGEMMTranspose1xW : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output
+ *
+ * @param[in] input First input tensor. Data type supported: U8/S8/QS8/U16/S16/F16/U32/S32/F32/
+ * @param[out] output Output tensor. Data type supported: same as @p input
+ */
+ void configure(const ITensor *input, ITensor *output);
+};
+}
+#endif /*__ARM_COMPUTE_NEGEMMTRANSPOSE1XW_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEGaussian3x3.h b/arm_compute/runtime/NEON/functions/NEGaussian3x3.h
new file mode 100644
index 0000000..a237e6f
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEGaussian3x3.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEGAUSSIAN3x3_H__
+#define __ARM_COMPUTE_NEGAUSSIAN3x3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute gaussian filter 3x3. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEGaussian3x3Kernel
+ *
+ */
+class NEGaussian3x3 : public INESimpleFunction
+{
+public:
+ /** Initialise the function's input, output and border mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data type supported: U8.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NEGAUSSIAN3x3_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEGaussian5x5.h b/arm_compute/runtime/NEON/functions/NEGaussian5x5.h
new file mode 100644
index 0000000..699e42e
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEGaussian5x5.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEGAUSSIAN5x5_H__
+#define __ARM_COMPUTE_NEGAUSSIAN5x5_H__
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NEGaussian5x5Kernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute gaussian filter 5x5. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEGaussian5x5HorKernel
+ * -# @ref NEGaussian5x5VertKernel
+ *
+ */
+class NEGaussian5x5 : public IFunction
+{
+public:
+ /** Default constructor
+ */
+ NEGaussian5x5();
+ /** Initialise the function's input, output and border mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data type supported: U8.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+protected:
+ NEGaussian5x5HorKernel _kernel_hor; /**< kernel for horizontal pass */
+ NEGaussian5x5VertKernel _kernel_vert; /**< kernel for vertical pass */
+ Tensor _tmp; /**< temporary buffer for output of horizontal pass */
+ NEFillBorderKernel _border_handler; /**< kernel to handle tensor borders */
+};
+}
+#endif /*__ARM_COMPUTE_NEGAUSSIAN5x5_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEGaussianPyramid.h b/arm_compute/runtime/NEON/functions/NEGaussianPyramid.h
new file mode 100644
index 0000000..5f0a67e
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEGaussianPyramid.h
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEGAUSSIANPYRAMID_H__
+#define __ARM_COMPUTE_NEGAUSSIANPYRAMID_H__
+
+#include "arm_compute/core/IPyramid.h"
+#include "arm_compute/core/NEON/kernels/NEGaussianPyramidKernel.h"
+#include "arm_compute/core/NEON/kernels/NEScaleKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NEGaussian5x5.h"
+#include "arm_compute/runtime/Pyramid.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Common interface for all Gaussian pyramid functions */
+class NEGaussianPyramid : public IFunction
+{
+public:
+ /** Default constructor */
+ NEGaussianPyramid();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEGaussianPyramid(const NEGaussianPyramid &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEGaussianPyramid &operator=(const NEGaussianPyramid &) = delete;
+ /** Allow instances of this class to be moved */
+ NEGaussianPyramid(NEGaussianPyramid &&) = default;
+ /** Allow instances of this class to be moved */
+ NEGaussianPyramid &operator=(NEGaussianPyramid &&) = default;
+ /** Default destructor */
+ virtual ~NEGaussianPyramid() = default;
+
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in] input Source tensor. Data type supported: U8.
+ * @param[out] pyramid Destination pyramid tensors, Data type supported at each level: U8.
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ virtual void configure(const ITensor *input, IPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) = 0;
+
+protected:
+ const ITensor *_input;
+ IPyramid *_pyramid;
+ Pyramid _tmp;
+};
+
+/** Basic function to execute gaussian pyramid with HALF scale factor. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEGaussianPyramidHorKernel
+ * -# @ref NEGaussianPyramidVertKernel
+ *
+ */
+class NEGaussianPyramidHalf : public NEGaussianPyramid
+{
+public:
+ /** Constructor */
+ NEGaussianPyramidHalf();
+
+ // Inherited methods overridden:
+ void configure(const ITensor *input, IPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
+ void run() override;
+
+private:
+ std::unique_ptr<NEFillBorderKernel[]> _border_handler;
+ std::unique_ptr<NEGaussianPyramidHorKernel[]> _horizontal_reduction;
+ std::unique_ptr<NEGaussianPyramidVertKernel[]> _vertical_reduction;
+};
+
+/** Basic function to execute gaussian pyramid with ORB scale factor. This function calls the following NEON kernels and functions:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEGaussian5x5
+ * -# @ref NEScaleKernel
+ *
+ */
+class NEGaussianPyramidOrb : public NEGaussianPyramid
+{
+public:
+ /** Constructor */
+ NEGaussianPyramidOrb();
+
+ // Inherited methods overridden:
+ void configure(const ITensor *input, IPyramid *pyramid, BorderMode border_mode, uint8_t constant_border_value) override;
+ void run() override;
+
+private:
+ std::unique_ptr<Image[]> _offsets;
+ std::unique_ptr<NEGaussian5x5[]> _gaus5x5;
+ std::unique_ptr<NEScaleKernel[]> _scale_nearest;
+};
+}
+#endif /*__ARM_COMPUTE_NEGAUSSIANPYRAMID_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEHOGDescriptor.h b/arm_compute/runtime/NEON/functions/NEHOGDescriptor.h
new file mode 100644
index 0000000..b7b4909
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEHOGDescriptor.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEHOGDESCRIPTOR_H__
+#define __ARM_COMPUTE_NEHOGDESCRIPTOR_H__
+
+#include "arm_compute/core/NEON/kernels/NEHOGDescriptorKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGGradient.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+class IHOG;
+/** Basic function to calculate HOG descriptor. This function calls the following NEON kernels:
+ *
+ * -# @ref NEHOGGradient
+ * -# @ref NEHOGOrientationBinningKernel
+ * -# @ref NEHOGBlockNormalizationKernel
+ *
+ */
+class NEHOGDescriptor : public IFunction
+{
+public:
+ /** Default constructor */
+ NEHOGDescriptor();
+ /** Initialise the function's source, destination, HOG data-object and border mode
+ *
+ * @param[in, out] input Input tensor. Data type supported: U8
+ * (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Output tensor which stores the HOG descriptor. DataType supported: F32. The number of channels is equal to the number of histogram bins per block
+ * @param[in] hog HOG data object which describes the HOG descriptor
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited method overridden:
+ void run() override;
+
+private:
+ NEHOGGradient _gradient;
+ NEHOGOrientationBinningKernel _orient_bin;
+ NEHOGBlockNormalizationKernel _block_norm;
+ Tensor _mag;
+ Tensor _phase;
+ Tensor _hog_space;
+};
+}
+
+#endif /* __ARM_COMPUTE_NEHOGDESCRIPTOR_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEHOGDetector.h b/arm_compute/runtime/NEON/functions/NEHOGDetector.h
new file mode 100644
index 0000000..98b8a89
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEHOGDetector.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEHOGDETECTOR_H__
+#define __ARM_COMPUTE_NEHOGDETECTOR_H__
+
+#include "arm_compute/core/IHOG.h"
+#include "arm_compute/core/NEON/kernels/NEHOGDetectorKernel.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+/** Basic function to execute HOG detector based on linear SVM. This function calls the following NEON kernel:
+ *
+ * -# @ref NEHOGDetectorKernel
+ *
+ */
+class NEHOGDetector : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's input, output, HOG data object, detection window stride, threshold and index class
+ *
+ * @attention The function does not reset the number of values in @ref IDetectionWindowArray so it is caller's responsibility to clear it.
+ *
+ * @param[in] input Input tensor. It is the output of @ref NEHOGDescriptor. Data type supported: F32
+ * @param[in] hog HOG data-object that describes the HOG descriptor
+ * @param[out] detection_windows Array of @ref DetectionWindow used to store the detected objects
+ * @param[in] detection_window_stride Distance in pixels between 2 consecutive detection windows in x and y directions.
+ * It must be multiple of the block stride stored in hog
+ * @param[in] threshold (Optional) Threshold for the distance between features and SVM classifying plane
+ * @param[in] idx_class (Optional) Index of the class used for evaluating which class the detection window belongs to
+ */
+ void configure(const ITensor *input, const IHOG *hog, IDetectionWindowArray *detection_windows, const Size2D &detection_window_stride, float threshold = 0.0f, size_t idx_class = 0);
+};
+}
+
+#endif /* __ARM_COMPUTE_NEHOGDETECTOR_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEHOGGradient.h b/arm_compute/runtime/NEON/functions/NEHOGGradient.h
new file mode 100644
index 0000000..dd2d99a
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEHOGGradient.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEHOGGRADIENT_H__
+#define __ARM_COMPUTE_NEHOGGRADIENT_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NEDerivative.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ITensor;
+/** Basic function to calculate the gradient for HOG. This function calls the following NEON kernels:
+ *
+ * -# @ref NEDerivative
+ * -# NEMagnitudePhaseKernel
+ *
+ */
+class NEHOGGradient : public IFunction
+{
+public:
+ /** Default constructor */
+ NEHOGGradient();
+ /** Initialise the function's source, destinations, phase type and border mode
+ *
+ * @param[in, out] input Input tensor. Data type supported: U8.
+ * (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_magnitude Output tensor (magnitude). Data type supported: U16.
+ * @param[out] output_phase Output tensor.(phase). Format supported: U8
+ * @param[in] phase_type Type of @ref PhaseType
+ * @param[in] border_mode Border mode to use
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output_magnitude, ITensor *output_phase, PhaseType phase_type, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited method overridden:
+ void run() override;
+
+private:
+ NEDerivative _derivative;
+ std::unique_ptr<INEKernel> _mag_phase;
+ Tensor _gx;
+ Tensor _gy;
+};
+}
+#endif /*__ARM_COMPUTE_NEHOGGRADIENT_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEHOGMultiDetection.h b/arm_compute/runtime/NEON/functions/NEHOGMultiDetection.h
new file mode 100644
index 0000000..2d07e64
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEHOGMultiDetection.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEHOGMULTIDETECTION_H__
+#define __ARM_COMPUTE_NEHOGMULTIDETECTION_H__
+
+#include "arm_compute/core/CPP/kernels/CPPDetectionWindowNonMaximaSuppressionKernel.h"
+#include "arm_compute/core/IArray.h"
+#include "arm_compute/core/IMultiHOG.h"
+#include "arm_compute/core/NEON/kernels/NEHOGDescriptorKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGDetector.h"
+#include "arm_compute/runtime/NEON/functions/NEHOGGradient.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+/** Basic function to detect multiple objects (or the same object at different scales) on the same input image using HOG. This function calls the following NEON kernels:
+ *
+ * -# @ref NEHOGGradient
+ * -# @ref NEHOGOrientationBinningKernel
+ * -# @ref NEHOGBlockNormalizationKernel
+ * -# @ref NEHOGDetector
+ * -# @ref CPPDetectionWindowNonMaximaSuppressionKernel (executed if non_maxima_suppression == true)
+ *
+ * @note This implementation works if all the HOG data-objects within the IMultiHOG container have the same:
+ * -# Phase type
+ -# Normalization type
+ -# L2 hysteresis threshold if the normalization type is L2HYS_NORM
+ *
+ */
+class NEHOGMultiDetection : public IFunction
+{
+public:
+ /** Default constructor */
+ NEHOGMultiDetection();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEHOGMultiDetection(const NEHOGMultiDetection &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEHOGMultiDetection &operator=(const NEHOGMultiDetection &) = delete;
+ /** Initialise the function's source, destination, detection window strides, border mode, threshold and non-maxima suppression
+ *
+ * @param[in, out] input Input tensor. Data type supported: U8
+ * (Written to only for @p border_mode != UNDEFINED)
+ * @param[in] multi_hog Container of multiple HOG data object. Each HOG data object describes one HOG model to detect.
+ * This container should store the HOG data-objects in descending or ascending cell_size width order.
+ * This will help to understand if the HOG descriptor computation can be skipped for some HOG data-objects
+ * @param[out] detection_windows Array of @ref DetectionWindow used for locating the detected objects
+ * @param[in] detection_window_strides Array of @ref Size2D used to specify the distance in pixels between 2 consecutive detection windows in x and y directions for each HOG data-object
+ * The dimension of this array must be the same of multi_hog->num_models()
+ * The i-th detection_window_stride of this array must be multiple of the block_stride stored in the i-th multi_hog array
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ * @param[in] threshold (Optional) Threshold for the distance between features and SVM classifying plane
+ * @param[in] non_maxima_suppression (Optional) Flag to specify whether the non-maxima suppression is required or not.
+ * True if the non-maxima suppression stage has to be computed
+ * @param[in] min_distance (Optional) Radial Euclidean distance to use for the non-maxima suppression stage
+ *
+ */
+ void configure(ITensor *input, const IMultiHOG *multi_hog, IDetectionWindowArray *detection_windows, const ISize2DArray *detection_window_strides, BorderMode border_mode,
+ uint8_t constant_border_value = 0,
+ float threshold = 0.0f, bool non_maxima_suppression = false, float min_distance = 1.0f);
+
+ // Inherited method overridden:
+ void run() override;
+
+private:
+ NEHOGGradient _gradient_kernel;
+ std::unique_ptr<NEHOGOrientationBinningKernel[]> _orient_bin_kernel;
+ std::unique_ptr<NEHOGBlockNormalizationKernel[]> _block_norm_kernel;
+ std::unique_ptr<NEHOGDetector[]> _hog_detect_kernel;
+ std::unique_ptr<CPPDetectionWindowNonMaximaSuppressionKernel> _non_maxima_kernel;
+ std::unique_ptr<Tensor[]> _hog_space;
+ std::unique_ptr<Tensor[]> _hog_norm_space;
+ IDetectionWindowArray *_detection_windows;
+ Tensor _mag;
+ Tensor _phase;
+ bool _non_maxima_suppression;
+ size_t _num_orient_bin_kernel;
+ size_t _num_block_norm_kernel;
+ size_t _num_hog_detect_kernel;
+};
+}
+
+#endif /* __ARM_COMPUTE_NEHOGMULTIDETECTION_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEHarrisCorners.h b/arm_compute/runtime/NEON/functions/NEHarrisCorners.h
new file mode 100644
index 0000000..a709871
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEHarrisCorners.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEHARRISCORNERS_H__
+#define __ARM_COMPUTE_NEHARRISCORNERS_H__
+
+#include "arm_compute/core/CPP/kernels/CPPCornerCandidatesKernel.h"
+#include "arm_compute/core/CPP/kernels/CPPSortEuclideanDistanceKernel.h"
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NEHarrisCornersKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/Array.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NENonMaximaSuppression3x3.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ITensor;
+using IImage = ITensor;
+
+/** Basic function to execute harris corners detection. This function calls the following NEON kernels and functions:
+ *
+ * -# @ref NESobel3x3 (if gradient_size == 3) or<br/>
+ * @ref NESobel5x5 (if gradient_size == 5) or<br/>
+ * @ref NESobel7x7 (if gradient_size == 7)
+ * -# @ref NEFillBorderKernel
+ * -# NEHarrisScoreKernel<3> (if block_size == 3) or<br/>
+ * NEHarrisScoreKernel<5> (if block_size == 5) or<br/>
+ * NEHarrisScoreKernel<7> (if block_size == 7)
+ * -# @ref NENonMaximaSuppression3x3
+ * -# @ref CPPCornerCandidatesKernel
+ * -# @ref CPPSortEuclideanDistanceKernel
+ *
+ */
+class NEHarrisCorners : public IFunction
+{
+public:
+ /** Constructor
+ *
+ * Initialize _sobel, _harris_score and _corner_list to nullptr.
+ */
+ NEHarrisCorners();
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in, out] input Source image. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[in] threshold Minimum threshold with which to eliminate Harris Corner scores (computed using the normalized Sobel kernel).
+ * @param[in] min_dist Radial Euclidean distance for the euclidean diatance stage
+ * @param[in] sensitivity Sensitivity threshold k from the Harris-Stephens equation
+ * @param[in] gradient_size The gradient window size to use on the input. The implementation supports 3, 5, and 7
+ * @param[in] block_size The block window size used to compute the Harris Corner score. The implementation supports 3, 5, and 7.
+ * @param[out] corners Array of keypoints to store the results.
+ * @param[in] border_mode Border mode to use
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ * @param[in] use_fp16 (Optional) If true the FP16 kernels will be used. If false F32 kernels are used.
+ */
+ void configure(IImage *input, float threshold, float min_dist, float sensitivity,
+ int32_t gradient_size, int32_t block_size, KeyPointArray *corners,
+ BorderMode border_mode, uint8_t constant_border_value = 0, bool use_fp16 = false);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ std::unique_ptr<IFunction> _sobel; /**< Sobel function */
+ std::unique_ptr<INEHarrisScoreKernel> _harris_score; /**< Harris score kernel */
+ NENonMaximaSuppression3x3 _non_max_suppr; /**< Non-maxima suppression function */
+ CPPCornerCandidatesKernel _candidates; /**< Sort kernel */
+ CPPSortEuclideanDistanceKernel _sort_euclidean; /**< Euclidean distance kernel */
+ NEFillBorderKernel _border_gx; /**< Border handler before running harris score */
+ NEFillBorderKernel _border_gy; /**< Border handler before running harris score */
+ Image _gx; /**< Source image - Gx component */
+ Image _gy; /**< Source image - Gy component */
+ Image _score; /**< Source image - Harris score */
+ Image _nonmax; /**< Source image - Non-Maxima suppressed image */
+ std::unique_ptr<InternalKeypoint[]> _corners_list; /**< Array of InternalKeypoint. It stores the potential corner candidates */
+ int32_t _num_corner_candidates; /**< Number of potential corner candidates */
+};
+}
+#endif /*__ARM_COMPUTE_NEHARRISCORNERS_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEHistogram.h b/arm_compute/runtime/NEON/functions/NEHistogram.h
new file mode 100644
index 0000000..c24510d
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEHistogram.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEHISTOGRAM_H__
+#define __ARM_COMPUTE_NEHISTOGRAM_H__
+
+#include "arm_compute/core/NEON/kernels/NEHistogramKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class IDistribution1D;
+
+/** Basic function to run @ref NEHistogramKernel. */
+class NEHistogram : public IFunction
+{
+public:
+ /** Default Constructor. */
+ NEHistogram();
+ /** Initialise the kernel's inputs.
+ *
+ * @param[in] input Input image. Data type supported: U8.
+ * @param[out] output Output distribution.
+ */
+ void configure(const IImage *input, IDistribution1D *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEHistogramKernel _histogram_kernel;
+ std::unique_ptr<uint32_t[]> _local_hist;
+ std::unique_ptr<uint32_t[]> _window_lut;
+ size_t _local_hist_size;
+ /** 256 possible pixel values as we handle only U8 images */
+ static constexpr unsigned int window_lut_default_size = 256;
+};
+}
+#endif /*__ARM_COMPUTE_NEHISTOGRAM_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEIntegralImage.h b/arm_compute/runtime/NEON/functions/NEIntegralImage.h
new file mode 100644
index 0000000..6d7dd69
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEIntegralImage.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEINTEGRALIMAGE_H__
+#define __ARM_COMPUTE_NEINTEGRALIMAGE_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run a @ref NEIntegralImageKernel */
+class NEIntegralImage : public INESimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in] input Source tensor. Data type supported: U8.
+ * @param[out] output Destination tensor. Data type supported: U32.
+ */
+ void configure(const ITensor *input, ITensor *output);
+};
+}
+#endif /*__ARM_COMPUTE_NEINTEGRALIMAGE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NELaplacianPyramid.h b/arm_compute/runtime/NEON/functions/NELaplacianPyramid.h
new file mode 100644
index 0000000..991ae7c
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NELaplacianPyramid.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NELAPLACIANPYRAMID_H__
+#define __ARM_COMPUTE_NELAPLACIANPYRAMID_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h"
+#include "arm_compute/runtime/NEON/functions/NEDepthConvert.h"
+#include "arm_compute/runtime/NEON/functions/NEGaussian5x5.h"
+#include "arm_compute/runtime/NEON/functions/NEGaussianPyramid.h"
+#include "arm_compute/runtime/Pyramid.h"
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute laplacian pyramid. This function calls the following NEON kernels and functions:
+ *
+ * -# @ref NEGaussianPyramidHalf
+ * -# @ref NEGaussian5x5
+ * -# @ref NEArithmeticSubtraction
+ *
+ * First a Gaussian pyramid is created. Then, for each level i, the corresponding tensor I(i) is blurred with the Gaussian 5x5 filter, and then
+ * difference between the two tensors is the corresponding level L(i) of the Laplacian pyramid.
+ * L(i) = I(i) - Gaussian5x5(I(i))
+ * Level 0 has always the same first two dimensions as the input tensor.
+*/
+class NELaplacianPyramid : public IFunction
+{
+public:
+ /** Constructor */
+ NELaplacianPyramid();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in] input Source tensor. Data type supported: U8.
+ * @param[out] pyramid Destination pyramid tensors, Data type supported at each level: S16.
+ * @param[out] output The lowest resolution tensor necessary to reconstruct the input tensor from the pyramid. Data type supported: S16.
+ * The first two dimensions of this tensor must match the first two dimensions of the tensor in the last level of the pyramid, that is:
+ * out.width = in.width() / pow(2,pyramid_levels-1) and out.height = in.height() / pow(2,pyramid_levels-1)
+ * @param[in] border_mode Border mode to use.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(const ITensor *input, IPyramid *pyramid, ITensor *output, BorderMode border_mode, uint8_t constant_border_value);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ size_t _num_levels;
+ NEGaussianPyramidHalf _gaussian_pyr_function;
+ std::unique_ptr<NEGaussian5x5[]> _convf;
+ std::unique_ptr<NEArithmeticSubtraction[]> _subf;
+ Pyramid _gauss_pyr;
+ Pyramid _conv_pyr;
+ NEDepthConvert _depth_function;
+};
+}
+#endif /*__ARM_COMPUTE_NELAPLACIANPYRAMID_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h b/arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h
new file mode 100644
index 0000000..4139733
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NELaplacianReconstruct.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NELAPLACIANRECONSTRUCT_H__
+#define __ARM_COMPUTE_NELAPLACIANRECONSTRUCT_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NEArithmeticAddition.h"
+#include "arm_compute/runtime/NEON/functions/NEDepthConvert.h"
+#include "arm_compute/runtime/NEON/functions/NEScale.h"
+#include "arm_compute/runtime/Pyramid.h"
+
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class ITensor;
+using IImage = ITensor;
+
+/** Basic function to execute laplacian reconstruction. This function calls the following NEON kernels and functions:
+ *
+ * -# @ref NEArithmeticAddition
+ * -# @ref NEScale
+ * -# @ref NEDepthConvert
+ *
+ * This function reconstructs the original image from a Laplacian Image Pyramid.
+ *
+ * The input image is added to the last level of the Laplacian pyramid L(n-2), the resulting image is upsampled to the
+ * resolution of the next pyramid level.
+ *
+ * I(n-2) = upsample( input + L(n-1)
+ *
+ * For each pyramid level i, except i=0 and i=n-1:
+ * I(i-1) = upsample(I(i) + L(i))
+ *
+ * output = I(0) + L(0)
+*/
+class NELaplacianReconstruct : public IFunction
+{
+public:
+ /** Constructor */
+ NELaplacianReconstruct();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * The Output image must have the same size as the first level of the pyramid.
+ * The Input image must have the same size as the last level of the pyramid.
+ *
+ * The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid.
+ *
+ * @param[in] pyramid Laplacian pyramid tensors, Data type supported at each level: S16.
+ * @param[in] input Source tensor. Data type supported: S16.
+ * @param[out] output Output tensor. Data type supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(const IPyramid *pyramid, const ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ Pyramid _tmp_pyr;
+ std::unique_ptr<NEArithmeticAddition[]> _addf;
+ std::unique_ptr<NEScale[]> _scalef;
+ NEDepthConvert _depthf;
+};
+}
+#endif /*__ARM_COMPUTE_NELAPLACIANRECONSTRUCT_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NELocallyConnectedLayer.h b/arm_compute/runtime/NEON/functions/NELocallyConnectedLayer.h
new file mode 100644
index 0000000..1b2b2ee
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NELocallyConnectedLayer.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NELOCALLYCONNECTEDLAYER_H__
+#define __ARM_COMPUTE_NELOCALLYCONNECTEDLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/NEON/kernels/NECol2ImKernel.h"
+#include "arm_compute/core/NEON/kernels/NEIm2ColKernel.h"
+#include "arm_compute/core/NEON/kernels/NELocallyConnectedMatrixMultiplyKernel.h"
+#include "arm_compute/core/NEON/kernels/NEWeightsReshapeKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+class INETensor;
+
+/** Basic function to compute the locally connected layer. This function calls the following NEON kernels:
+ *
+ * -# @ref NEWeightsReshapeKernel (executed only once for each configuration)
+ * -# @ref NEIm2ColKernel
+ * -# @ref NELocallyConnectedMatrixMultiplyKernel
+ * -# @ref NECol2ImKernel
+ */
+class NELocallyConnectedLayer : public IFunction
+{
+public:
+ /** Default constructor */
+ NELocallyConnectedLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dimensions represent a single input [width, height, IFM],
+ * while every optional dimension from 4 and above represent a batch of inputs.
+ * Data types supported: F32.
+ * @param[in] weights Weights tensor. Weights are 5D tensor with dimensions [kernel_x, kernel_y, IFM, OFM, num_patches]. Data type supported:Same as @p input.
+ * @param[in] biases Biases tensor. Shared biases supported. Biases are 2D tensor with dimensions [OFM, num_patches]. Data type supported:Same as @p input.
+ * @param[out] output Destination tensor. 3 lower dimensions represent a single output [width, height, OFM], while the rest represent batch of outputs.
+ * Data types supported: Same as @p input.
+ * @param[in] conv_info Contains padding and stride information described in @ref PadStrideInfo.
+ */
+ void configure(const ITensor *input, const ITensor *weights, const ITensor *biases, ITensor *output, const PadStrideInfo &conv_info);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEIm2ColKernel _input_im2col_kernel;
+ NEWeightsReshapeKernel _weights_reshape_kernel;
+ NELocallyConnectedMatrixMultiplyKernel _mm_kernel;
+ NECol2ImKernel _output_col2im_kernel;
+ Tensor _input_im2col_reshaped;
+ Tensor _weights_reshaped;
+ Tensor _gemm_output;
+ bool _is_first_run;
+};
+}
+#endif /* __ARM_COMPUTE_NELOCALLYCONNECTEDLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEMagnitude.h b/arm_compute/runtime/NEON/functions/NEMagnitude.h
new file mode 100644
index 0000000..6c1f988
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEMagnitude.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEMAGNITUDE_H__
+#define __ARM_COMPUTE_NEMAGNITUDE_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run NEMagnitudePhaseKernel */
+class NEMagnitude : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs.
+ *
+ * @param[in] input1 First tensor input. Data type supported: S16.
+ * @param[in] input2 Second tensor input. Data type supported: S16.
+ * @param[out] output Output tensor. Data type supported: S16.
+ * @param[in] use_fp16 (Optional) If true the FP16 kernels will be used. If false F32 kernels are used.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output, bool use_fp16 = false);
+};
+}
+#endif /*__ARM_COMPUTE_NEMAGNITUDE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEMeanStdDev.h b/arm_compute/runtime/NEON/functions/NEMeanStdDev.h
new file mode 100644
index 0000000..3770b2a
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEMeanStdDev.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEMEANSTDDEV_H__
+#define __ARM_COMPUTE_NEMEANSTDDEV_H__
+
+#include "arm_compute/core/NEON/kernels/NEMeanStdDevKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+/** Basic function to execute mean and std deviation. This function calls the following NEON kernels:
+ *
+ * @ref NEMeanStdDevKernel
+ *
+ */
+class NEMeanStdDev : public IFunction
+{
+public:
+ /** Default Constructor. */
+ NEMeanStdDev();
+ /** Initialise the kernel's inputs and outputs.
+ *
+ * @param[in] input Input image. Data type supported: U8.
+ * @param[out] mean Output average pixel value.
+ * @param[out] stddev (Optional) Output standard deviation of pixel values.
+ */
+ void configure(const IImage *input, float *mean, float *stddev = nullptr);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEMeanStdDevKernel _mean_stddev_kernel; /**< Kernel that standard deviation calculation. */
+ uint64_t _global_sum; /**< Variable that holds the global sum among calls in order to ease reduction */
+ uint64_t _global_sum_squared; /**< Variable that holds the global sum of squared values among calls in order to ease reduction */
+};
+}
+#endif /*__ARM_COMPUTE_NEMEANSTDDEV_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEMedian3x3.h b/arm_compute/runtime/NEON/functions/NEMedian3x3.h
new file mode 100644
index 0000000..a3df687
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEMedian3x3.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEMEDIAN3x3_H__
+#define __ARM_COMPUTE_NEMEDIAN3x3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute median filter. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEMedian3x3Kernel
+ *
+ */
+class NEMedian3x3 : public INESimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor, Data type supported: U8.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NEMEDIAN3x3_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEMinMaxLocation.h b/arm_compute/runtime/NEON/functions/NEMinMaxLocation.h
new file mode 100644
index 0000000..82e75ee
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEMinMaxLocation.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEMINMAXLOCATION_H__
+#define __ARM_COMPUTE_NEMINMAXLOCATION_H__
+
+#include "arm_compute/core/IArray.h"
+#include "arm_compute/core/NEON/kernels/NEMinMaxLocationKernel.h"
+#include "arm_compute/runtime/Array.h"
+#include "arm_compute/runtime/IFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+using IImage = ITensor;
+
+/** Basic function to execute min and max location. This function calls the following NEON kernels:
+ *
+ * -# NEMinMaxKernel
+ * -# NEMinMaxLocationKernel
+ */
+class NEMinMaxLocation : public IFunction
+{
+public:
+ /** Constructor */
+ NEMinMaxLocation();
+ /** Initialise the kernel's inputs and outputs.
+ *
+ * @param[in] input Input image. Data types supported: U8/S16.
+ * @param[out] min Minimum value of image.
+ * @param[out] max Maximum value of image.
+ * @param[out] min_loc (Optional) Array of minimum value locations.
+ * @param[out] max_loc (Optional) Array of maximum value locations.
+ * @param[out] min_count (Optional) Number of minimum value encounters.
+ * @param[out] max_count (Optional) Number of maximum value encounters.
+ */
+ void configure(const IImage *input, int32_t *min, int32_t *max,
+ ICoordinates2DArray *min_loc = nullptr, ICoordinates2DArray *max_loc = nullptr,
+ uint32_t *min_count = nullptr, uint32_t *max_count = nullptr);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NEMinMaxKernel _min_max; /**< Kernel that performs min/max */
+ NEMinMaxLocationKernel _min_max_loc; /**< Kernel that extracts min/max locations */
+};
+}
+#endif /*__ARM_COMPUTE_NEMINMAXLOCATION_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NENonLinearFilter.h b/arm_compute/runtime/NEON/functions/NENonLinearFilter.h
new file mode 100644
index 0000000..d8a9eae
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NENonLinearFilter.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NENONLINEARFILTER_H__
+#define __ARM_COMPUTE_NENONLINEARFILTER_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute non linear filter. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NENonLinearFilterKernel
+ *
+ * @note Supported mask dimensions squares of sizes 3, 5
+ */
+class NENonLinearFilter : public INESimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, conv and border_mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data type supported: U8
+ * @param[in] function Non linear function to perform
+ * @param[in] mask_size Mask size. Supported sizes: 3, 5
+ * @param[in] pattern Mask pattern
+ * @param[in] mask The given mask. Will be used only if pattern is specified to PATTERN_OTHER
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, NonLinearFilterFunction function, unsigned int mask_size, MatrixPattern pattern, const uint8_t *mask, BorderMode border_mode,
+ uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NENONLINEARFILTER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NENonMaximaSuppression3x3.h b/arm_compute/runtime/NEON/functions/NENonMaximaSuppression3x3.h
new file mode 100644
index 0000000..c87d722
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NENonMaximaSuppression3x3.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NENONMAXIMASUPPRESSION3X3_H__
+#define __ARM_COMPUTE_NENONMAXIMASUPPRESSION3X3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute non-maxima suppression over a 3x3 window. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NENonMaximaSuppression3x3Kernel
+ *
+ */
+class NENonMaximaSuppression3x3 : public INESimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note The implementation supports just 2 border modes: UNDEFINED and CONSTANT
+ * The constant values used with CONSTANT border mode is 0
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8/F32. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination for the Non-Maxima suppressions 3x3. Data type supported: same as @p input
+ * @param[in] border_mode Border mode to use for non-maxima suppression. The implementation supports just 2 border modes: UNDEFINED and CONSTANT
+ *
+ */
+ void configure(ITensor *input, ITensor *output, BorderMode border_mode);
+};
+}
+#endif /* __ARM_COMPUTE_NENONMAXIMASUPPRESSION3X3_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NENormalizationLayer.h b/arm_compute/runtime/NEON/functions/NENormalizationLayer.h
new file mode 100644
index 0000000..3202867
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NENormalizationLayer.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NENORMALIZATIONLAYER_H__
+#define __ARM_COMPUTE_NENORMALIZATIONLAYER_H__
+
+#include "arm_compute/runtime/IFunction.h"
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NENormalizationLayerKernel.h"
+#include "arm_compute/core/NEON/kernels/NEPixelWiseMultiplicationKernel.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to simulate a normalization layer. This function calls the following NEON kernels:
+ *
+ * -# @ref NEPixelWiseMultiplicationKernel
+ * -# @ref NEFillBorderKernel
+ * -# @ref NENormalizationLayerKernel
+ *
+ */
+class NENormalizationLayer : public IFunction
+{
+public:
+ /** Default constructor */
+ NENormalizationLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. 3 lower dims represent a single input with dimensions [width, height, IFM],
+ * and an optional 4th dimension for batch of inputs. Data type supported: QS8/F32
+ * @param[out] output Destination with the same dimensions, data type and number of channels of @p input
+ * @param[in] norm_info Normalization layer information like the normalization type, normalization size and other parameters.
+ */
+ void configure(const ITensor *input, ITensor *output, NormalizationLayerInfo norm_info);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NENormalizationLayerKernel _norm_kernel; /**< Normalization layer kernel */
+ NEPixelWiseMultiplicationKernel _multiply_kernel; /**< Pixel multiplication kernel */
+ NEFillBorderKernel _border_handler; /**< Kernel to handle borders */
+ Tensor _input_squared; /**< The intermediate buffer which stores results of squaring input */
+};
+}
+#endif /* __ARM_COMPUTE_NENORMALIZATIONLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEOpticalFlow.h b/arm_compute/runtime/NEON/functions/NEOpticalFlow.h
new file mode 100644
index 0000000..0534551
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEOpticalFlow.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEOPTICALFLOW_H__
+#define __ARM_COMPUTE_NEOPTICALFLOW_H__
+
+#include "arm_compute/core/IArray.h"
+#include "arm_compute/core/NEON/kernels/NELKTrackerKernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/Array.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/NEON/functions/NEScharr3x3.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+
+namespace arm_compute
+{
+class Pyramid;
+
+using LKInternalKeypointArray = Array<NELKInternalKeypoint>;
+/** Basic function to execute optical flow. This function calls the following NEON kernels and functions:
+ *
+ * -# @ref NEScharr3x3
+ * -# @ref NELKTrackerKernel
+ *
+ */
+class NEOpticalFlow : public IFunction
+{
+public:
+ /** Constructor */
+ NEOpticalFlow();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEOpticalFlow(const NEOpticalFlow &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEOpticalFlow &operator=(const NEOpticalFlow &) = delete;
+ /** Initialise the function input and output
+ *
+ * @param[in] old_pyramid Pointer to the pyramid for the old tensor. Data type supported U8
+ * @param[in] new_pyramid Pointer to the pyramid for the new tensor. Data type supported U8
+ * @param[in] old_points Pointer to the IKeyPointArray storing old key points
+ * @param[in] new_points_estimates Pointer to the IKeyPointArray storing new estimates key points
+ * @param[out] new_points Pointer to the IKeyPointArray storing new key points
+ * @param[in] termination The criteria to terminate the search of each keypoint.
+ * @param[in] epsilon The error for terminating the algorithm
+ * @param[in] num_iterations The maximum number of iterations before terminate the alogrithm
+ * @param[in] window_dimension The size of the window on which to perform the algorithm
+ * @param[in] use_initial_estimate The flag to indicate whether the initial estimated position should be used
+ * @param[in] border_mode The border mode applied at scharr kernel stage
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT
+ *
+ */
+ void configure(const Pyramid *old_pyramid, const Pyramid *new_pyramid, const IKeyPointArray *old_points, const IKeyPointArray *new_points_estimates,
+ IKeyPointArray *new_points, Termination termination, float epsilon, unsigned int num_iterations, size_t window_dimension,
+ bool use_initial_estimate, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ std::unique_ptr<NEScharr3x3[]> _func_scharr;
+ std::unique_ptr<NELKTrackerKernel[]> _kernel_tracker;
+ std::unique_ptr<Tensor[]> _scharr_gx;
+ std::unique_ptr<Tensor[]> _scharr_gy;
+ IKeyPointArray *_new_points;
+ const IKeyPointArray *_new_points_estimates;
+ const IKeyPointArray *_old_points;
+ LKInternalKeypointArray _new_points_internal;
+ LKInternalKeypointArray _old_points_internal;
+ unsigned int _num_levels;
+};
+}
+#endif /*__ARM_COMPUTE_NEOPTICALFLOW_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEPhase.h b/arm_compute/runtime/NEON/functions/NEPhase.h
new file mode 100644
index 0000000..985ba84
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEPhase.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEPHASE_H__
+#define __ARM_COMPUTE_NEPHASE_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run NEMagnitudePhaseKernel */
+class NEPhase : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output.
+ *
+ * @param[in] input1 First tensor input. Data type supported: S16.
+ * @param[in] input2 Second tensor input. Data type supported: S16.
+ * @param[out] output Output tensor. Data type supported: U8.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output);
+};
+}
+#endif /*__ARM_COMPUTE_NEPHASE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
new file mode 100644
index 0000000..de7a797
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEPixelWiseMultiplication.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEPIXELWISEMULTIPLICATION_H__
+#define __ARM_COMPUTE_NEPIXELWISEMULTIPLICATION_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEPixelWiseMultiplicationKernel */
+class NEPixelWiseMultiplication : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs, output and convertion policy.
+ *
+ * @param[in] input1 First tensor input. Data types supported: U8/QS8/S16/F32.
+ * @param[in] input2 Second tensor input. Data types supported: U8/QS8/S16/F32.
+ * @param[out] output Output tensor. Data types supported: U8/QS8/S16/F32.
+ * @param[in] scale Scale to apply after multiplication. Must be positive.
+ * @param[in] overflow_policy Overflow policy.
+ * @param[in] rounding_policy Rounding policy.
+ */
+ void configure(const ITensor *input1, const ITensor *input2, ITensor *output, float scale, ConvertPolicy overflow_policy, RoundingPolicy rounding_policy);
+};
+}
+#endif /*__ARM_COMPUTE_NEPIXELWISEMULTIPLICATION_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEPoolingLayer.h b/arm_compute/runtime/NEON/functions/NEPoolingLayer.h
new file mode 100644
index 0000000..5a9cffa
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEPoolingLayer.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEPOOLINGLAYER_H__
+#define __ARM_COMPUTE_NEPOOLINGLAYER_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include "arm_compute/core/Types.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to simulate a pooling layer with the specified pooling operation. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if padding size is different from zero)
+ * -# @ref NEPoolingLayerKernel
+ */
+class NEPoolingLayer : public INESimpleFunction
+{
+public:
+ /** Set the input and output tensors.
+ *
+ * @param[in, out] input Source tensor. (Written to only when padding != 0) Data types supported: QS8/F32.
+ * @param[out] output Destination tensor. Data types supported: Same as @p input.
+ * @param[in] pool_info Contains pooling operation information described in @ref PoolingLayerInfo.
+ */
+ void configure(ITensor *input, ITensor *output, const PoolingLayerInfo &pool_info);
+};
+}
+#endif /* __ARM_COMPUTE_NEPOOLINGLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NERemap.h b/arm_compute/runtime/NEON/functions/NERemap.h
new file mode 100644
index 0000000..b1ec559
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NERemap.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEREMAP_H__
+#define __ARM_COMPUTE_NEREMAP_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute remap. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NERemapKernel
+ */
+class NERemap : public INESimpleFunction
+{
+public:
+ /** Initialise the function's sources, destination, interpolation policy and border mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[in] map_x Map for X coordinates. Data type supported: F32.
+ * @param[in] map_y Map for Y coordinates. Data type supported: F32.
+ * @param[out] output Output tensor. Data type supported: U8.
+ * @param[in] policy Interpolation policy to use. Only NEAREST and BILINEAR are supported.
+ * @param[in] border_mode Border mode to use on the input tensor.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ITensor *input, const ITensor *map_x, const ITensor *map_y, ITensor *output,
+ InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NEREMAP_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEScale.h b/arm_compute/runtime/NEON/functions/NEScale.h
new file mode 100644
index 0000000..e1da891
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEScale.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NESCALEIMAGE_H__
+#define __ARM_COMPUTE_NESCALEIMAGE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEScaleKernel */
+class NEScale : public INESimpleFunction
+{
+public:
+ /** Constructor
+ *
+ * Initialize NEScale
+ */
+ NEScale();
+ /** Initialize the function's source, destination, interpolation type and border_mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data type supported: U8. All but the lowest two dimensions must be the same size as in the input tensor, i.e. scaling is only performed within the XY-plane.
+ * @param[in] policy The interpolation type.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+private:
+ Tensor _offsets; /**< Offset to access the element with NEAREST interpolation or the top-left element with BILINEAR interpolation in the input tensor */
+ Tensor _dx; /**< Element's distance between the X real coordinate and the smallest X following integer */
+ Tensor _dy; /**< Element's distance between the Y real coordinate and the smallest Y following integer */
+};
+}
+#endif /*__ARM_COMPUTE_NESCALEIMAGE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEScharr3x3.h b/arm_compute/runtime/NEON/functions/NEScharr3x3.h
new file mode 100644
index 0000000..db24723
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEScharr3x3.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NESCHARR3x3_H__
+#define __ARM_COMPUTE_NESCHARR3x3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute scharr 3x3 filter. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NEScharr3x3Kernel
+ *
+ */
+class NEScharr3x3 : public INESimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Scharr 3x3 convolution along the X axis. Data type supported: S16.
+ * @param[out] output_y (optional) Destination for the Scharr 3x3 convolution along the Y axis. Data type supported: S16.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NESCHARR3x3_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NESobel3x3.h b/arm_compute/runtime/NEON/functions/NESobel3x3.h
new file mode 100644
index 0000000..e2896ba
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NESobel3x3.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NESOBEL3x3_H__
+#define __ARM_COMPUTE_NESOBEL3x3_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute sobel 3x3 filter. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NESobel3x3Kernel
+ *
+ */
+class NESobel3x3 : public INESimpleFunction
+{
+public:
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Sobel 3x3 convolution along the X axis. Data type supported: S16.
+ * @param[out] output_y (optional) Destination for the Sobel 3x3 convolution along the Y axis. Data type supported: S16.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NESOBEL3x3_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NESobel5x5.h b/arm_compute/runtime/NEON/functions/NESobel5x5.h
new file mode 100644
index 0000000..fc4d665
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NESobel5x5.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NESOBEL5x5_H__
+#define __ARM_COMPUTE_NESOBEL5x5_H__
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NESobel5x5Kernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute sobel 5x5 filter. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NESobel5x5HorKernel
+ * -# @ref NESobel5x5VertKernel
+ *
+ */
+class NESobel5x5 : public IFunction
+{
+public:
+ /** Default constructor */
+ NESobel5x5();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Sobel 5x5 convolution along the X axis. Data type supported: S16.
+ * @param[out] output_y (optional) Destination for the Sobel 5x5 convolution along the Y axis. Data type supported: S16.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+protected:
+ NESobel5x5HorKernel _sobel_hor; /**< Sobel Horizontal 5x5 kernel */
+ NESobel5x5VertKernel _sobel_vert; /**< Sobel Vertical 5x5 kernel */
+ Tensor _tmp_x; /**< Temporary buffer for Sobel X */
+ Tensor _tmp_y; /**< Temporary buffer for Sobel Y */
+ NEFillBorderKernel _border_handler; /**< Kernel to handle tensor borders */
+};
+}
+#endif /*__ARM_COMPUTE_NESOBEL5x5_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NESobel7x7.h b/arm_compute/runtime/NEON/functions/NESobel7x7.h
new file mode 100644
index 0000000..06b7c80
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NESobel7x7.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NESOBEL7x7_H__
+#define __ARM_COMPUTE_NESOBEL7x7_H__
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NESobel7x7Kernel.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute sobel 7x7 filter. This function calls the following NEON kernels:
+ *
+ * -# @ref NEFillBorderKernel (executed if border_mode == CONSTANT or border_mode == REPLICATE)
+ * -# @ref NESobel7x7HorKernel
+ * -# @ref NESobel7x7VertKernel
+ *
+ */
+class NESobel7x7 : public IFunction
+{
+public:
+ /** Default constructor */
+ NESobel7x7();
+ /** Initialise the function's source, destinations and border mode.
+ *
+ * @note At least one of output_x or output_y must be not NULL.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output_x (optional) Destination for the Sobel 7x7 convolution along the X axis. Data type supported: S32.
+ * @param[out] output_y (optional) Destination for the Sobel 7x7 convolution along the Y axis. Data type supported: S32.
+ * @param[in] border_mode Border mode to use for the convolution.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ *
+ */
+ void configure(ITensor *input, ITensor *output_x, ITensor *output_y, BorderMode border_mode, uint8_t constant_border_value = 0);
+
+ // Inherited methods overridden:
+ void run() override;
+
+protected:
+ NESobel7x7HorKernel _sobel_hor; /**< Sobel Horizontal 7x7 kernel */
+ NESobel7x7VertKernel _sobel_vert; /**< Sobel Vertical 7x7 kernel */
+ Tensor _tmp_x; /**< Temporary buffer for Sobel X */
+ Tensor _tmp_y; /**< Temporary buffer for Sobel Y */
+ NEFillBorderKernel _border_handler; /**< Kernel to handle tensor borders */
+};
+}
+#endif /*__ARM_COMPUTE_NESOBEL7x7_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NESoftmaxLayer.h b/arm_compute/runtime/NEON/functions/NESoftmaxLayer.h
new file mode 100644
index 0000000..dc84dec
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NESoftmaxLayer.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NESOFTMAXLAYER_H__
+#define __ARM_COMPUTE_NESOFTMAXLAYER_H__
+
+#include "arm_compute/core/NEON/kernels/NEFillBorderKernel.h"
+#include "arm_compute/core/NEON/kernels/NESoftmaxLayerKernel.h"
+#include "arm_compute/runtime/IFunction.h"
+#include "arm_compute/runtime/Tensor.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to compute a SoftmaxLayer.
+ *
+ * Softmax is calculated by :
+ * @f[ out = \frac{e^{x - max(x)}}{\sum{e^{x - max(x)}}} @f]
+ *
+ * This function runs the following kernels:
+ * -# @ref NELogits1DMaxKernel
+ * -# @ref NELogits1DShiftExpSumKernel
+ * -# @ref NELogits1DNormKernel
+ */
+class NESoftmaxLayer : public IFunction
+{
+public:
+ /** Constructor */
+ NESoftmaxLayer();
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data types supported: QS8/F32.
+ * @param[out] output Destination tensor. Data types supported: same as @p input.
+ */
+ void configure(ITensor *input, ITensor *output);
+
+ // Inherited methods overridden:
+ void run() override;
+
+private:
+ NELogits1DMaxKernel _max_kernel;
+ NELogits1DShiftExpSumKernel _shift_exp_sum_kernel;
+ NELogits1DNormKernel _norm_kernel;
+ NEFillBorderKernel _fill_border_kernel;
+ Tensor _max;
+ Tensor _sum;
+ Tensor _tmp;
+};
+}
+#endif /* __ARM_COMPUTE_NESOFTMAXLAYER_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NETableLookup.h b/arm_compute/runtime/NEON/functions/NETableLookup.h
new file mode 100644
index 0000000..b59ffb8
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NETableLookup.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NETABLELOOKUP_H__
+#define __ARM_COMPUTE_NETABLELOOKUP_H__
+
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+class ILut;
+
+/** Basic function to run @ref NETableLookupKernel */
+class NETableLookup : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs and output
+ *
+ * @param[in] input First tensor input. Data types supported: U8/S16
+ * @param[in] lut Input lookup table.
+ * @param[out] output Output tensor. Data types supported: same as @p input
+ */
+ void configure(const ITensor *input, const ILut *lut, ITensor *output);
+};
+}
+#endif /*__ARM_COMPUTE_NETABLELOOKUP_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEThreshold.h b/arm_compute/runtime/NEON/functions/NEThreshold.h
new file mode 100644
index 0000000..d407ee5
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEThreshold.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NETHRESHOLD_H__
+#define __ARM_COMPUTE_NETHRESHOLD_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEThresholdKernel */
+class NEThreshold : public INESimpleFunction
+{
+public:
+ /** Initialise the function's source, destination, thresholds and threshold type
+ *
+ * @param[in] input First tensor input. Data type supported: U8.
+ * @param[out] output Output tensor. Data type supported: U8.
+ * @param[in] threshold Threshold. If upper threshold is specified, this will be used as the lower threshold
+ * @param[in] false_value Value to assign when the condition is false
+ * @param[in] true_value value to assign when the condition is true
+ * @param[in] type Thresholding type. Can either be BINARY or RANGE.
+ * @param[in] upper Upper threshold. Only used with RANGE thresholding
+ */
+ void configure(const ITensor *input, ITensor *output, uint8_t threshold, uint8_t false_value = 0, uint8_t true_value = 0,
+ ThresholdType type = ThresholdType::BINARY, uint8_t upper = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NETHRESHOLD_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NETranspose.h b/arm_compute/runtime/NEON/functions/NETranspose.h
new file mode 100644
index 0000000..4b606e7
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NETranspose.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NETRANSPOSE_H__
+#define __ARM_COMPUTE_NETRANSPOSE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to transpose a matrix on NEON. This function calls the following NEON kernel:
+ *
+ * -# @ref NETransposeKernel
+ *
+ */
+class NETranspose : public INESimpleFunction
+{
+public:
+ /** Initialise the kernel's inputs and output
+ *
+ * @param[in] input Input tensor. Data types supported: U8/S8/QS8/U16/S16/F16/U32/S32/F32
+ * @param[out] output Output tensor. Data type supported: Same as @p input
+ */
+ void configure(const ITensor *input, ITensor *output);
+};
+}
+
+#endif /* __ARM_COMPUTE_NETRANSPOSE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEWarpAffine.h b/arm_compute/runtime/NEON/functions/NEWarpAffine.h
new file mode 100644
index 0000000..f8eebe8
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEWarpAffine.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEWARPAFFINE_H__
+#define __ARM_COMPUTE_NEWARPAFFINE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEWarpAffineKernel */
+class NEWarpAffine : public INESimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, interpolation policy and border_mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data type supported: U8
+ * @param[in] matrix The perspective matrix. Must be 2x3 of type float.
+ * @param[in] policy The interpolation type.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NEWARPAFFINE_H__ */
diff --git a/arm_compute/runtime/NEON/functions/NEWarpPerspective.h b/arm_compute/runtime/NEON/functions/NEWarpPerspective.h
new file mode 100644
index 0000000..d069929
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEWarpPerspective.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_NEWARPPERSPECTIVE_H__
+#define __ARM_COMPUTE_NEWARPPERSPECTIVE_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to run @ref NEWarpPerspectiveKernel */
+class NEWarpPerspective : public INESimpleFunction
+{
+public:
+ /** Initialize the function's source, destination, interpolation policy and border_mode.
+ *
+ * @param[in, out] input Source tensor. Data type supported: U8. (Written to only for @p border_mode != UNDEFINED)
+ * @param[out] output Destination tensor. Data type supported: U8
+ * @param[in] matrix The perspective matrix. Must be 3x3 of type float.
+ * @param[in] policy The interpolation type.
+ * @param[in] border_mode Strategy to use for borders.
+ * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
+ */
+ void configure(ITensor *input, ITensor *output, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value = 0);
+};
+}
+#endif /*__ARM_COMPUTE_NEWARPPERSPECTIVE_H__ */
diff --git a/arm_compute/runtime/OMP/OMPScheduler.h b/arm_compute/runtime/OMP/OMPScheduler.h
new file mode 100644
index 0000000..21df6a6
--- /dev/null
+++ b/arm_compute/runtime/OMP/OMPScheduler.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_OMPSCHEDULER_H__
+#define __ARM_COMPUTE_OMPSCHEDULER_H__
+
+#include "arm_compute/runtime/IScheduler.h"
+
+namespace arm_compute
+{
+/** Pool of threads to automatically split a kernel's execution among several threads. */
+class OMPScheduler : public IScheduler
+{
+public:
+ /** Sets the number of threads the scheduler will use to run the kernels.
+ *
+ * @param[in] num_threads If set to 0, then the number returned by omp_get_max_threads() will be used, otherwise the number of threads specified.
+ */
+ void set_num_threads(unsigned int num_threads) override;
+ /** Returns the number of threads that the OMPScheduler has in its pool.
+ *
+ * @return Number of threads available in OMPScheduler.
+ */
+ unsigned int num_threads() const override;
+ /** Access the scheduler singleton
+ *
+ * @return The scheduler
+ */
+ static OMPScheduler &get();
+ /** Multithread the execution of the passed kernel if possible.
+ *
+ * The kernel will run on a single thread if any of these conditions is true:
+ * - ICPPKernel::is_parallelisable() returns false
+ * - The scheduler has been initialized with only one thread.
+ *
+ * @param[in] kernel Kernel to execute.
+ * @param[in] split_dimension Dimension along which to split the kernel's execution window.
+ */
+ void schedule(ICPPKernel *kernel, unsigned int split_dimension) override;
+
+private:
+ /** Constructor. */
+ OMPScheduler();
+
+ unsigned int _num_threads;
+};
+}
+#endif /* __ARM_COMPUTE_OMPSCHEDULER_H__ */
diff --git a/arm_compute/runtime/Pyramid.h b/arm_compute/runtime/Pyramid.h
new file mode 100644
index 0000000..2e76137
--- /dev/null
+++ b/arm_compute/runtime/Pyramid.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_PYRAMID_H__
+#define __ARM_COMPUTE_PYRAMID_H__
+
+#include "arm_compute/core/IPyramid.h"
+#include "arm_compute/core/PyramidInfo.h"
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstddef>
+#include <memory>
+
+namespace arm_compute
+{
+class Tensor;
+
+/** Basic implementation of the pyramid interface */
+class Pyramid : public IPyramid
+{
+public:
+ /** Initialize pyramid data-object using the given Pyramid's metadata
+ *
+ * @param[in] info Pyramid's metadata
+ */
+ void init(const PyramidInfo &info);
+
+ /** Initialize pyramid data-object using the given Pyramid's metadata
+ *
+ * @note Uses conservative padding strategy which fits all kernels.
+ *
+ * @param[in] info Pyramid's metadata
+ */
+ void init_auto_padding(const PyramidInfo &info);
+
+ /** Allocate the planes in the pyramid */
+ void allocate();
+
+ // Inherited method overridden
+ const PyramidInfo *info() const override;
+ Tensor *get_pyramid_level(size_t index) const override;
+
+private:
+ /** Initialize pyramid data-object using the given Pyramid's metadata
+ *
+ * @param[in] info Pyramid's metadata
+ * @param[in] auto_padding Specifies whether the image in the pyramid use auto padding
+ */
+ void internal_init(const PyramidInfo &info, bool auto_padding);
+
+ PyramidInfo _info{};
+ std::unique_ptr<Tensor[]> _pyramid{ nullptr };
+};
+}
+#endif /*__ARM_COMPUTE_PYRAMID_H__ */
diff --git a/arm_compute/runtime/Scheduler.h b/arm_compute/runtime/Scheduler.h
new file mode 100644
index 0000000..21f944b
--- /dev/null
+++ b/arm_compute/runtime/Scheduler.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_SCHEDULER_H__
+#define __ARM_COMPUTE_SCHEDULER_H__
+
+#include "arm_compute/runtime/IScheduler.h"
+#include <memory>
+
+namespace arm_compute
+{
+/** Configurable scheduler which supports multiple multithreading APIs and choosing between different schedulers at runtime. */
+class Scheduler
+{
+public:
+ enum class Type
+ {
+ ST, // Single thread.
+ CPP, // C++11 threads.
+ OMP, // OpenMP.
+ CUSTOM // Provided by the user.
+ };
+ /** Sets the user defined scheduler and makes it the active scheduler.
+ *
+ * @param[in] scheduler A shared pointer to a custom scheduler implemented by the user.
+ */
+ static void set(std::shared_ptr<IScheduler> &scheduler);
+ /** Access the scheduler singleton.
+ *
+ * @return A reference to the scheduler object.
+ */
+ static IScheduler &get();
+ /** Set the active scheduler.
+ *
+ * Only one scheduler can be enabled at any time.
+ *
+ * @param[in] t the type of the scheduler to be enabled.
+ */
+ static void set(Type t);
+ /** Returns the type of the active scheduler.
+ *
+ * @return The current scheduler's type.
+ */
+ static Type get_type();
+ /** Returns true if the given scheduler type is supported. False otherwise.
+ *
+ * @return true if the given scheduler type is supported. False otherwise.
+ */
+ static bool is_available(Type t);
+
+private:
+ static Type _scheduler_type;
+ static std::shared_ptr<IScheduler> _custom_scheduler;
+ Scheduler();
+};
+}
+#endif /* __ARM_COMPUTE_SCHEDULER_H__ */
diff --git a/arm_compute/runtime/SingleThreadScheduler.h b/arm_compute/runtime/SingleThreadScheduler.h
new file mode 100644
index 0000000..a6e1def
--- /dev/null
+++ b/arm_compute/runtime/SingleThreadScheduler.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_SINGLETHREADSCHEDULER_H__
+#define __ARM_COMPUTE_SINGLETHREADSCHEDULER_H__
+
+#include "arm_compute/runtime/IScheduler.h"
+
+namespace arm_compute
+{
+/** Pool of threads to automatically split a kernel's execution among several threads. */
+class SingleThreadScheduler : public IScheduler
+{
+public:
+ /** Sets the number of threads the scheduler will use to run the kernels.
+ *
+ * @param[in] num_threads This is ignored for this scheduler as the number of threads is always one.
+ */
+ void set_num_threads(unsigned int num_threads) override;
+ /** Returns the number of threads that the SingleThreadScheduler has, which is always 1.
+ *
+ * @return Number of threads available in SingleThreadScheduler.
+ */
+ unsigned int num_threads() const override;
+ /** Access the scheduler singleton
+ *
+ * @return The scheduler
+ */
+ static SingleThreadScheduler &get();
+ /** Runs the kernel in the same thread as the caller synchronously.
+ *
+ * @param[in] kernel Kernel to execute.
+ * @param[in] split_dimension Dimension along which to split the kernel's execution window.
+ */
+ void schedule(ICPPKernel *kernel, unsigned int split_dimension) override;
+
+private:
+ /** Constructor. */
+ SingleThreadScheduler() = default;
+};
+}
+#endif /* __ARM_COMPUTE_SINGLETHREADSCHEDULER_H__ */
diff --git a/arm_compute/runtime/SubTensor.h b/arm_compute/runtime/SubTensor.h
new file mode 100644
index 0000000..bdb229d
--- /dev/null
+++ b/arm_compute/runtime/SubTensor.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_SUBTENSOR_H__
+#define __ARM_COMPUTE_SUBTENSOR_H__
+
+#include "arm_compute/core/SubTensorInfo.h"
+#include "arm_compute/runtime/Tensor.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensorInfo;
+
+/** Basic implementation of the sub-tensor interface */
+class SubTensor : public ITensor
+{
+public:
+ /** Constructor
+ *
+ * @param[in] parent Parent tensor
+ * @param[in] tensor_shape Shape of the subtensor
+ * @param[in] coords Coordinates of the first subtensor element inside the parent tensor.
+ */
+ SubTensor(ITensor *parent, const TensorShape &tensor_shape, const Coordinates &coords);
+ /** Destructor: free the tensor's memory */
+ ~SubTensor() = default;
+ /** Restrict instances of this class to be copy constructed */
+ SubTensor(const SubTensor &) = delete;
+ /** Restrict instances of this class to be copied */
+ SubTensor &operator=(const SubTensor &) = delete;
+ /** Allow instances of this class to be move constructed */
+ SubTensor(SubTensor &&) = default;
+ /** Allow instances of this class to be moved */
+ SubTensor &operator=(SubTensor &&) = default;
+ /** Return the parent tensor of the subtensor
+ *
+ * @return Parent tensor
+ */
+ ITensor *parent();
+
+ // Inherited methods overridden:
+ ITensorInfo *info() const override;
+ ITensorInfo *info() override;
+ uint8_t *buffer() const override;
+
+private:
+ ITensor *_parent;
+ mutable SubTensorInfo _info;
+};
+}
+#endif /*__ARM_COMPUTE_SUBTENSOR_H__ */
diff --git a/arm_compute/runtime/Tensor.h b/arm_compute/runtime/Tensor.h
new file mode 100644
index 0000000..1fe73a2
--- /dev/null
+++ b/arm_compute/runtime/Tensor.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_TENSOR_H__
+#define __ARM_COMPUTE_TENSOR_H__
+
+#include "arm_compute/core/ITensor.h"
+#include "arm_compute/runtime/TensorAllocator.h"
+
+#include <cstdint>
+
+namespace arm_compute
+{
+class ITensorInfo;
+
+/** Basic implementation of the tensor interface */
+class Tensor : public ITensor
+{
+public:
+ /** Constructor */
+ Tensor();
+ /** Destructor: free the tensor's memory */
+ ~Tensor() = default;
+ /** Allow instances of this class to be move constructed */
+ Tensor(Tensor &&) = default;
+ /** Allow instances of this class to be moved */
+ Tensor &operator=(Tensor &&) = default;
+ /** Return a pointer to the tensor's allocator
+ *
+ * @return A pointer to the tensor's allocator
+ */
+ TensorAllocator *allocator();
+
+ // Inherited methods overridden:
+ ITensorInfo *info() const override;
+ ITensorInfo *info() override;
+ uint8_t *buffer() const override;
+
+private:
+ mutable TensorAllocator _allocator; /**< Instance of the basic CPU allocator.*/
+};
+
+using Image = Tensor;
+}
+#endif /*__ARM_COMPUTE_TENSOR_H__ */
diff --git a/arm_compute/runtime/TensorAllocator.h b/arm_compute/runtime/TensorAllocator.h
new file mode 100644
index 0000000..450323b
--- /dev/null
+++ b/arm_compute/runtime/TensorAllocator.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2016, 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_TENSORALLOCATOR_H__
+#define __ARM_COMPUTE_TENSORALLOCATOR_H__
+
+#include "arm_compute/runtime/ITensorAllocator.h"
+
+#include <cstdint>
+#include <memory>
+#include <vector>
+
+namespace arm_compute
+{
+class Coordinates;
+class TensorInfo;
+
+/** Basic implementation of a CPU memory tensor allocator. */
+class TensorAllocator : public ITensorAllocator
+{
+public:
+ /** Default constructor. */
+ TensorAllocator();
+
+ /** Make ITensorAllocator's init methods available */
+ using ITensorAllocator::init;
+
+ /** Shares the same backing memory with another tensor allocator, while the tensor info might be different.
+ * In other words this can be used to create a sub-tensor from another tensor while sharing the same memory.
+ *
+ * @note TensorAllocator have to be of the same specialized type.
+ *
+ * @param[in] allocator The allocator that owns the backing memory to be shared. Ownership becomes shared afterwards.
+ * @param[in] coords The starting coordinates of the new tensor inside the parent tensor.
+ * @param[in] sub_info The new tensor information (e.g. shape etc)
+ */
+ void init(const TensorAllocator &allocator, const Coordinates &coords, TensorInfo sub_info);
+
+ /** Returns the pointer to the allocated data. */
+ uint8_t *data() const;
+
+ /** Allocate size specified by TensorInfo of CPU memory.
+ *
+ * @note The tensor must not already be allocated when calling this function.
+ *
+ */
+ void allocate() override;
+
+ /** Free allocated CPU memory.
+ *
+ * @note The tensor must have been allocated when calling this function.
+ *
+ */
+ void free() override;
+
+protected:
+ /** No-op for CPU memory
+ *
+ * @return A pointer to the beginning of the tensor's allocation.
+ */
+ uint8_t *lock() override;
+
+ /** No-op for CPU memory. */
+ void unlock() override;
+
+private:
+ std::shared_ptr<std::vector<uint8_t>> _buffer; /**< CPU memory allocation. */
+};
+}
+#endif /* __ARM_COMPUTE_TENSORALLOCATOR_H__ */
diff --git a/arm_compute/runtime/Utils.h b/arm_compute/runtime/Utils.h
new file mode 100644
index 0000000..2f037a0
--- /dev/null
+++ b/arm_compute/runtime/Utils.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_RUNTIME_UTILS_H__
+#define __ARM_COMPUTE_RUNTIME_UTILS_H__
+
+#include "arm_compute/runtime/Scheduler.h"
+
+#include <string>
+
+namespace arm_compute
+{
+/** Convert a Scheduler::Type into a string.
+ *
+ * @param[in] t @ref Scheduler::Type to be translated to string.
+ *
+ * @return The string describing the scheduler type.
+ */
+const std::string &string_from_scheduler_type(Scheduler::Type t);
+}
+#endif /* __ARM_COMPUTE_RUNTIME_UTILS_H__ */