| /* |
| * 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_CLHOGDESCRIPTORKERNEL_H__ |
| #define __ARM_COMPUTE_CLHOGDESCRIPTORKERNEL_H__ |
| |
| #include "arm_compute/core/CL/ICLKernel.h" |
| #include "arm_compute/core/IHOG.h" |
| #include "arm_compute/core/Size2D.h" |
| |
| namespace arm_compute |
| { |
| class ITensor; |
| |
| /** OpenCL kernel to perform HOG Orientation Binning */ |
| class CLHOGOrientationBinningKernel : public ICLKernel |
| { |
| public: |
| /** Default constructor */ |
| CLHOGOrientationBinningKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHOGOrientationBinningKernel(const CLHOGOrientationBinningKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHOGOrientationBinningKernel &operator=(const CLHOGOrientationBinningKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLHOGOrientationBinningKernel(CLHOGOrientationBinningKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLHOGOrientationBinningKernel &operator=(CLHOGOrientationBinningKernel &&) = default; |
| /** Default destructor */ |
| ~CLHOGOrientationBinningKernel() = default; |
| |
| /** Initialise the kernel's inputs, output and HOG's metadata |
| * |
| * @param[in] input_magnitude Input tensor which stores the magnitude of the gradient for each pixel. Data type supported: S16. |
| * @param[in] input_phase Input tensor which stores the phase of the gradient for each pixel. Data type supported: U8 |
| * @param[out] output Output tensor which stores the local HOG for each cell. DataType supported: F32. Number of channels supported: equal to the number of histogram bins per cell |
| * @param[in] hog_info HOG's metadata |
| */ |
| void configure(const ICLTensor *input_magnitude, const ICLTensor *input_phase, ICLTensor *output, const HOGInfo *hog_info); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLTensor *_input_magnitude; |
| const ICLTensor *_input_phase; |
| ICLTensor *_output; |
| Size2D _cell_size; |
| }; |
| |
| /** OpenCL kernel to perform HOG block normalization */ |
| class CLHOGBlockNormalizationKernel : public ICLKernel |
| { |
| public: |
| /** Default constructor */ |
| CLHOGBlockNormalizationKernel(); |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHOGBlockNormalizationKernel(const CLHOGBlockNormalizationKernel &) = delete; |
| /** Prevent instances of this class from being copied (As this class contains pointers) */ |
| CLHOGBlockNormalizationKernel &operator=(const CLHOGBlockNormalizationKernel &) = delete; |
| /** Allow instances of this class to be moved */ |
| CLHOGBlockNormalizationKernel(CLHOGBlockNormalizationKernel &&) = default; |
| /** Allow instances of this class to be moved */ |
| CLHOGBlockNormalizationKernel &operator=(CLHOGBlockNormalizationKernel &&) = default; |
| /** Default destructor */ |
| ~CLHOGBlockNormalizationKernel() = default; |
| |
| /** Initialise the kernel's input, output and HOG's metadata |
| * |
| * @param[in] input Input tensor which stores the local HOG for each cell. Data type supported: F32. Number of channels supported: equal to the number of histogram bins per cell |
| * @param[out] output Output tensor which stores the normalised blocks. Data type supported: F32. Number of channels supported: equal to the number of histogram bins per block |
| * @param[in] hog_info HOG's metadata |
| */ |
| void configure(const ICLTensor *input, ICLTensor *output, const HOGInfo *hog_info); |
| |
| // Inherited methods overridden: |
| void run(const Window &window, cl::CommandQueue &queue) override; |
| |
| private: |
| const ICLTensor *_input; |
| ICLTensor *_output; |
| Size2D _num_cells_per_block_stride; |
| }; |
| } // namespace arm_compute |
| #endif /* __ARM_COMPUTE_CLHOGDESCRIPTORKERNEL_H__ */ |