| /* |
| * Copyright (c) 2017-2018 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_CLLAPLACIANRECONSTRUCT_H__ |
| #define __ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H__ |
| |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/CL/CLPyramid.h" |
| #include "arm_compute/runtime/CL/functions/CLDepthConvertLayer.h" |
| #include "arm_compute/runtime/CL/functions/CLElementwiseOperations.h" |
| #include "arm_compute/runtime/CL/functions/CLScale.h" |
| #include "arm_compute/runtime/IFunction.h" |
| |
| #include <cstdint> |
| #include <memory> |
| |
| namespace arm_compute |
| { |
| class ICLTensor; |
| using ICLImage = ICLTensor; |
| |
| /** Basic function to execute laplacian reconstruction. This function calls the following OpenCL kernels and functions: |
| * |
| * -# @ref CLArithmeticAddition |
| * -# @ref CLScale |
| * -# @ref CLDepthConvertLayer |
| * |
| * This function reconstructs the original image from a Laplacian Image Pyramid. |
| * |
| * The input image is added to the last level of the Laplacian pyramid L(n-2), the resulting image is upsampled to the |
| * resolution of the next pyramid level. |
| * |
| * I(n-2) = upsample( input + L(n-1) |
| * |
| * For each pyramid level i, except i=0 and i=n-1: |
| * I(i-1) = upsample(I(i) + L(i)) |
| * |
| * output = I(0) + L(0) |
| */ |
| class CLLaplacianReconstruct : public IFunction |
| { |
| public: |
| /** Constructor */ |
| CLLaplacianReconstruct(); |
| /** Initialise the function's source, destinations and border mode. |
| * |
| * The Output image must have the same size as the first level of the pyramid. |
| * The Input image must have the same size as the last level of the pyramid. |
| * |
| * The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid. |
| * |
| * @param[in] pyramid Laplacian pyramid tensors, Data types supported at each level: S16. |
| * @param[in] input Source tensor. Data types supported: S16. |
| * @param[out] output Output tensor. Data types supported: U8. |
| * @param[in] border_mode Border mode to use for the convolution. |
| * @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT. |
| * |
| */ |
| void configure(const CLPyramid *pyramid, ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value); |
| |
| // Inherited methods overridden: |
| void run() override; |
| |
| private: |
| CLPyramid _tmp_pyr; |
| std::unique_ptr<CLArithmeticAddition[]> _addf; |
| std::unique_ptr<CLScale[]> _scalef; |
| CLDepthConvertLayer _depthf; |
| }; |
| } |
| #endif /*__ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H__ */ |