| /* |
| * 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/CLMemoryGroup.h" |
| #include "arm_compute/runtime/CL/CLTensor.h" |
| #include "arm_compute/runtime/CL/functions/CLDerivative.h" |
| #include "arm_compute/runtime/IFunction.h" |
| #include "arm_compute/runtime/IMemoryManager.h" |
| |
| #include <cstdint> |
| #include <memory> |
| |
| 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(std::shared_ptr<IMemoryManager> memory_manager = nullptr); |
| /** 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: |
| CLMemoryGroup _memory_group; |
| CLDerivative _derivative; |
| CLMagnitudePhaseKernel _mag_phase; |
| CLTensor _gx; |
| CLTensor _gy; |
| }; |
| } |
| #endif /*__ARM_COMPUTE_CLHOGGRADIENT_H__ */ |