1 /* 2 * Copyright (c) 2017-2020 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef ARM_COMPUTE_CLHOGDESCRIPTOR_H 25 #define ARM_COMPUTE_CLHOGDESCRIPTOR_H 26 27 #include "arm_compute/core/Types.h" 28 #include "arm_compute/runtime/CL/CLTensor.h" 29 #include "arm_compute/runtime/CL/functions/CLHOGGradient.h" 30 #include "arm_compute/runtime/IFunction.h" 31 #include "arm_compute/runtime/IMemoryManager.h" 32 #include "arm_compute/runtime/MemoryGroup.h" 33 34 #include <memory> 35 36 namespace arm_compute 37 { 38 class IHOG; 39 class CLHOGOrientationBinningKernel; 40 class CLHOGBlockNormalizationKernel; 41 /** Basic function to calculate HOG descriptor. This function calls the following OpenCL kernels: 42 * 43 * -# @ref CLHOGGradient 44 * -# @ref CLHOGOrientationBinningKernel 45 * -# @ref CLHOGBlockNormalizationKernel 46 * 47 * @deprecated This function is deprecated and is intended to be removed in 21.05 release 48 * 49 */ 50 class CLHOGDescriptor : public IFunction 51 { 52 public: 53 /** Default constructor */ 54 CLHOGDescriptor(std::shared_ptr<IMemoryManager> memory_manager = nullptr); 55 /** Prevent instances of this class from being copied */ 56 CLHOGDescriptor(const CLHOGDescriptor &) = delete; 57 /** Prevent instances of this class from being copied */ 58 CLHOGDescriptor &operator=(const CLHOGDescriptor &) = delete; 59 /** Default destructor */ 60 ~CLHOGDescriptor(); 61 /** Initialise the function's source, destination, HOG data-object and border mode 62 * 63 * @param[in, out] input Input tensor. Data type supported: U8 64 * (Written to only for @p border_mode != UNDEFINED) 65 * @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 66 * @param[in] hog HOG data object which describes the HOG descriptor 67 * @param[in] border_mode Border mode to use. 68 * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. 69 */ 70 void configure(ICLTensor *input, ICLTensor *output, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value = 0); 71 /** Initialise the function's source, destination, HOG data-object and border mode 72 * 73 * @param[in] compile_context The compile context to be used. 74 * @param[in, out] input Input tensor. Data type supported: U8 75 * (Written to only for @p border_mode != UNDEFINED) 76 * @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 77 * @param[in] hog HOG data object which describes the HOG descriptor 78 * @param[in] border_mode Border mode to use. 79 * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. 80 */ 81 void configure(const CLCompileContext &compile_context, ICLTensor *input, ICLTensor *output, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value = 0); 82 83 // Inherited method overridden: 84 void run() override; 85 86 private: 87 MemoryGroup _memory_group; 88 CLHOGGradient _gradient; 89 std::unique_ptr<CLHOGOrientationBinningKernel> _orient_bin; 90 std::unique_ptr<CLHOGBlockNormalizationKernel> _block_norm; 91 CLTensor _mag; 92 CLTensor _phase; 93 CLTensor _hog_space; 94 }; 95 } 96 97 #endif /* ARM_COMPUTE_CLHOGDESCRIPTOR_H */ 98