111 lines
4.8 KiB
C
111 lines
4.8 KiB
C
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/*
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* Copyright (c) 2017-2020 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H
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#define ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H
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#include "arm_compute/core/Types.h"
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#include "arm_compute/runtime/CL/CLPyramid.h"
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#include "arm_compute/runtime/CL/functions/CLDepthConvertLayer.h"
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#include "arm_compute/runtime/CL/functions/CLElementwiseOperations.h"
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#include "arm_compute/runtime/CL/functions/CLScale.h"
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#include "arm_compute/runtime/IFunction.h"
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#include <cstdint>
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#include <memory>
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namespace arm_compute
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{
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class ICLTensor;
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using ICLImage = ICLTensor;
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/** Basic function to execute laplacian reconstruction. This function calls the following OpenCL kernels and functions:
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*
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* -# @ref CLArithmeticAddition
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* -# @ref CLScale
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* -# @ref CLDepthConvertLayer
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*
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* This function reconstructs the original image from a Laplacian Image Pyramid.
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*
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* The input image is added to the last level of the Laplacian pyramid L(n-2), the resulting image is upsampled to the
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* resolution of the next pyramid level.
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*
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* I(n-2) = upsample( input + L(n-1)
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*
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* For each pyramid level i, except i=0 and i=n-1:
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* I(i-1) = upsample(I(i) + L(i))
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*
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* output = I(0) + L(0)
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*
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* @deprecated This function is deprecated and is intended to be removed in 21.05 release
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*
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*/
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class CLLaplacianReconstruct : public IFunction
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{
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public:
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/** Constructor */
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CLLaplacianReconstruct();
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/** Initialise the function's source, destinations and border mode.
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*
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* The Output image must have the same size as the first level of the pyramid.
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* The Input image must have the same size as the last level of the pyramid.
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*
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* The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid.
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*
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* @param[in] pyramid Laplacian pyramid tensors, Data types supported at each level: S16.
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* @param[in] input Source tensor. Data types supported: S16.
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* @param[out] output Output tensor. Data types supported: U8.
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* @param[in] border_mode Border mode to use for the convolution.
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* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
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*
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*/
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void configure(const CLPyramid *pyramid, ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value);
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/** Initialise the function's source, destinations and border mode.
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*
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* The Output image must have the same size as the first level of the pyramid.
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* The Input image must have the same size as the last level of the pyramid.
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*
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* The idea is to reconstuct the original hi-res image from a low-res representation of it and the laplacian pyramid.
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*
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* @param[in] compile_context The compile context to be used.
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* @param[in] pyramid Laplacian pyramid tensors, Data types supported at each level: S16.
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* @param[in] input Source tensor. Data types supported: S16.
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* @param[out] output Output tensor. Data types supported: U8.
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* @param[in] border_mode Border mode to use for the convolution.
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* @param[in] constant_border_value (Optional) Constant value to use for borders if border_mode is set to CONSTANT.
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*
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*/
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void configure(const CLCompileContext &compile_context, const CLPyramid *pyramid, ICLTensor *input, ICLTensor *output, BorderMode border_mode, uint8_t constant_border_value);
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// Inherited methods overridden:
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void run() override;
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private:
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CLPyramid _tmp_pyr;
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std::vector<CLArithmeticAddition> _addf;
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std::vector<CLScale> _scalef;
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CLDepthConvertLayer _depthf;
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};
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}
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#endif /*ARM_COMPUTE_CLLAPLACIANRECONSTRUCT_H */
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