1 /* 2 * Copyright (c) 2016-2020 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_NELAPLACIANRECONSTRUCT_H 25 #define ARM_COMPUTE_NELAPLACIANRECONSTRUCT_H 26 27 #include "arm_compute/core/Types.h" 28 #include "arm_compute/runtime/IFunction.h" 29 #include "arm_compute/runtime/NEON/functions/NEArithmeticAddition.h" 30 #include "arm_compute/runtime/NEON/functions/NEDepthConvertLayer.h" 31 #include "arm_compute/runtime/NEON/functions/NEScale.h" 32 #include "arm_compute/runtime/Pyramid.h" 33 34 #include <cstdint> 35 #include <memory> 36 37 namespace arm_compute 38 { 39 class ITensor; 40 using IImage = ITensor; 41 42 /** Basic function to execute laplacian reconstruction. This function calls the following NEON kernels and functions: 43 * 44 * -# @ref NEArithmeticAddition 45 * -# @ref NEScale 46 * -# @ref NEDepthConvertLayer 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 NELaplacianReconstruct : public IFunction 64 { 65 public: 66 /** Constructor */ 67 NELaplacianReconstruct(); 68 /** Prevent instances of this class from being copied (As this class contains pointers) */ 69 NELaplacianReconstruct(const NELaplacianReconstruct &) = delete; 70 /** Prevent instances of this class from being copied (As this class contains pointers) */ 71 NELaplacianReconstruct &operator=(const NELaplacianReconstruct &) = delete; 72 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 73 NELaplacianReconstruct(NELaplacianReconstruct &&) = delete; 74 /** Prevent instances of this class from being moved (As this class contains non movable objects) */ 75 NELaplacianReconstruct &operator=(NELaplacianReconstruct &&) = delete; 76 /** Default destructor */ 77 ~NELaplacianReconstruct(); 78 /** Initialise the function's source, destinations and border mode. 79 * 80 * The Output image must have the same size as the first level of the pyramid. 81 * The Input image must have the same size as the last level of the pyramid. 82 * 83 * The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid. 84 * 85 * @param[in] pyramid Laplacian pyramid tensors, Data type supported at each level: S16. 86 * @param[in] input Source tensor. Data type supported: S16. 87 * @param[out] output Output tensor. Data type supported: U8. 88 * @param[in] border_mode Border mode to use for the convolution. 89 * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. 90 * 91 */ 92 void configure(const IPyramid *pyramid, ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value); 93 94 // Inherited methods overridden: 95 void run() override; 96 97 private: 98 Pyramid _tmp_pyr; 99 std::vector<NEArithmeticAddition> _addf; 100 std::vector<NEScale> _scalef; 101 NEDepthConvertLayer _depthf; 102 }; 103 } 104 #endif /*ARM_COMPUTE_NELAPLACIANRECONSTRUCT_H */ 105