| Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2017 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/CL/kernels/CLHOGDescriptorKernel.h" |
| 28 | #include "arm_compute/core/Types.h" |
| 29 | #include "arm_compute/runtime/CL/CLTensor.h" |
| 30 | #include "arm_compute/runtime/CL/functions/CLHOGGradient.h" |
| 31 | #include "arm_compute/runtime/IFunction.h" |
| 32 | |
| 33 | namespace arm_compute |
| 34 | { |
| 35 | class IHOG; |
| 36 | /** Basic function to calculate HOG descriptor. This function calls the following OpenCL kernels: |
| 37 | * |
| 38 | * -# @ref CLHOGGradient |
| 39 | * -# @ref CLHOGOrientationBinningKernel |
| 40 | * -# @ref CLHOGBlockNormalizationKernel |
| 41 | * |
| 42 | */ |
| 43 | class CLHOGDescriptor : public IFunction |
| 44 | { |
| 45 | public: |
| 46 | /** Default constructor */ |
| 47 | CLHOGDescriptor(); |
| 48 | /** Initialise the function's source, destination, HOG data-object and border mode |
| 49 | * |
| 50 | * @param[in, out] input Input tensor. Data type supported: U8 |
| 51 | * (Written to only for @p border_mode != UNDEFINED) |
| 52 | * @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 |
| 53 | * @param[in] hog HOG data object which describes the HOG descriptor |
| 54 | * @param[in] border_mode Border mode to use. |
| 55 | * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. |
| 56 | */ |
| 57 | void configure(ICLTensor *input, ICLTensor *output, const IHOG *hog, BorderMode border_mode, uint8_t constant_border_value = 0); |
| 58 | |
| 59 | // Inherited method overridden: |
| 60 | void run() override; |
| 61 | |
| 62 | private: |
| 63 | CLHOGGradient _gradient; |
| 64 | CLHOGOrientationBinningKernel _orient_bin; |
| 65 | CLHOGBlockNormalizationKernel _block_norm; |
| 66 | CLTensor _mag; |
| 67 | CLTensor _phase; |
| 68 | CLTensor _hog_space; |
| 69 | }; |
| 70 | } |
| 71 | |
| 72 | #endif /* __ARM_COMPUTE_CLHOGDESCRIPTOR_H__ */ |