diff --git a/arm_compute/runtime/NEON/functions/NEGaussianPyramid.h b/arm_compute/runtime/NEON/functions/NEGaussianPyramid.h
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+/*
+ * 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__ */