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_CLLAPLACIANRECONSTRUCT_H 25 #define ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H 26 27 #include "arm_compute/core/Types.h" 28 #include "arm_compute/runtime/CL/CLPyramid.h" 29 #include "arm_compute/runtime/CL/functions/CLDepthConvertLayer.h" 30 #include "arm_compute/runtime/CL/functions/CLElementwiseOperations.h" 31 #include "arm_compute/runtime/CL/functions/CLScale.h" 32 #include "arm_compute/runtime/IFunction.h" 33 34 #include <cstdint> 35 #include <memory> 36 37 namespace arm_compute 38 { 39 class ICLTensor; 40 using ICLImage = ICLTensor; 41 42 /** Basic function to execute laplacian reconstruction. This function calls the following OpenCL kernels and functions: 43 * 44 * -# @ref CLArithmeticAddition 45 * -# @ref CLScale 46 * -# @ref CLDepthConvertLayer 47 * 48 * This function reconstructs the original image from a Laplacian Image Pyramid. 49 * 50 * The input image is added to the last level of the Laplacian pyramid L(n-2), the resulting image is upsampled to the 51 * resolution of the next pyramid level. 52 * 53 * I(n-2) = upsample( input + L(n-1) 54 * 55 * For each pyramid level i, except i=0 and i=n-1: 56 * I(i-1) = upsample(I(i) + L(i)) 57 * 58 * output = I(0) + L(0) 59 * 60 * @deprecated This function is deprecated and is intended to be removed in 21.05 release 61 * 62 */ 63 class CLLaplacianReconstruct : public IFunction 64 { 65 public: 66 /** Constructor */ 67 CLLaplacianReconstruct(); 68 /** Initialise the function's source, destinations and border mode. 69 * 70 * The Output image must have the same size as the first level of the pyramid. 71 * The Input image must have the same size as the last level of the pyramid. 72 * 73 * The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid. 74 * 75 * @param[in] pyramid Laplacian pyramid tensors, Data types supported at each level: S16. 76 * @param[in] input Source tensor. Data types supported: S16. 77 * @param[out] output Output tensor. Data types supported: U8. 78 * @param[in] border_mode Border mode to use for the convolution. 79 * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. 80 * 81 */ 82 void configure(const CLPyramid *pyramid, ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value); 83 /** Initialise the function's source, destinations and border mode. 84 * 85 * The Output image must have the same size as the first level of the pyramid. 86 * The Input image must have the same size as the last level of the pyramid. 87 * 88 * The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid. 89 * 90 * @param[in] compile_context The compile context to be used. 91 * @param[in] pyramid Laplacian pyramid tensors, Data types supported at each level: S16. 92 * @param[in] input Source tensor. Data types supported: S16. 93 * @param[out] output Output tensor. Data types supported: U8. 94 * @param[in] border_mode Border mode to use for the convolution. 95 * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. 96 * 97 */ 98 void configure(const CLCompileContext &compile_context, const CLPyramid *pyramid, ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value); 99 100 // Inherited methods overridden: 101 void run() override; 102 103 private: 104 CLPyramid _tmp_pyr; 105 std::vector<CLArithmeticAddition> _addf; 106 std::vector<CLScale> _scalef; 107 CLDepthConvertLayer _depthf; 108 }; 109 } 110 #endif /*ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H */ 111