| /* |
| * 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/CLMemoryGroup.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| #include "arm_compute/runtime/CL/functions/CLHOGGradient.h" |
| #include "arm_compute/runtime/IFunction.h" |
| #include "arm_compute/runtime/IMemoryManager.h" |
| |
| #include <memory> |
| |
| 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(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
| /** 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: |
| CLMemoryGroup _memory_group; |
| CLHOGGradient _gradient; |
| CLHOGOrientationBinningKernel _orient_bin; |
| CLHOGBlockNormalizationKernel _block_norm; |
| CLTensor _mag; |
| CLTensor _phase; |
| CLTensor _hog_space; |
| }; |
| } |
| |
| #endif /* __ARM_COMPUTE_CLHOGDESCRIPTOR_H__ */ |