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Diffstat (limited to 'src/core/CL/kernels/CLHOGDescriptorKernel.h')
| -rw-r--r-- | src/core/CL/kernels/CLHOGDescriptorKernel.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/core/CL/kernels/CLHOGDescriptorKernel.h b/src/core/CL/kernels/CLHOGDescriptorKernel.h new file mode 100644 index 0000000000..eee2fa36bc --- /dev/null +++ b/src/core/CL/kernels/CLHOGDescriptorKernel.h @@ -0,0 +1,122 @@ +/* + * Copyright (c) 2017-2020 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/IHOG.h" +#include "arm_compute/core/Size2D.h" +#include "src/core/CL/ICLKernel.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); + /** Initialise the kernel's inputs, output and HOG's metadata + * + * @param[in] compile_context The compile context to be used. + * @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 CLCompileContext &compile_context, 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); + /** Initialise the kernel's input, output and HOG's metadata + * + * @param[in] compile_context The compile context to be used. + * @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 CLCompileContext &compile_context, 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 */ |