99 lines
4.7 KiB
C++
99 lines
4.7 KiB
C++
/*
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* Copyright (c) 2016-2020 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_NELAPLACIANPYRAMID_H
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#define ARM_COMPUTE_NELAPLACIANPYRAMID_H
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#include "arm_compute/core/Types.h"
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#include "arm_compute/runtime/IFunction.h"
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#include "arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h"
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#include "arm_compute/runtime/NEON/functions/NEDepthConvertLayer.h"
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#include "arm_compute/runtime/NEON/functions/NEGaussian5x5.h"
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#include "arm_compute/runtime/NEON/functions/NEGaussianPyramid.h"
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#include "arm_compute/runtime/Pyramid.h"
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#include <cstddef>
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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 ITensor;
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/** Basic function to execute laplacian pyramid. This function calls the following NEON kernels and functions:
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*
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* -# @ref NEGaussianPyramidHalf
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* -# @ref NEGaussian5x5
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* -# @ref NEArithmeticSubtraction
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*
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* First a Gaussian pyramid is created. Then, for each level i, the corresponding tensor I(i) is blurred with the Gaussian 5x5 filter, and then
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* difference between the two tensors is the corresponding level L(i) of the Laplacian pyramid.
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* L(i) = I(i) - Gaussian5x5(I(i))
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* Level 0 has always the same first two dimensions as the input tensor.
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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 NELaplacianPyramid : public IFunction
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{
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public:
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/** Constructor */
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NELaplacianPyramid();
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/** Prevent instances of this class from being copied (As this class contains pointers) */
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NELaplacianPyramid(const NELaplacianPyramid &) = delete;
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/** Prevent instances of this class from being copied (As this class contains pointers) */
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NELaplacianPyramid &operator=(const NELaplacianPyramid &) = delete;
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/** Prevent instances of this class from being moved (As this class contains non movable objects) */
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NELaplacianPyramid(NELaplacianPyramid &&) = delete;
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/** Prevent instances of this class from being moved (As this class contains non movable objects) */
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NELaplacianPyramid &operator=(NELaplacianPyramid &&) = delete;
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/** Default destructor */
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~NELaplacianPyramid();
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/** Initialise the function's source, destinations and border mode.
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*
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* @param[in] input Source tensor. Data type supported: U8.
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* @param[out] pyramid Destination pyramid tensors, Data type supported at each level: S16.
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* @param[out] output The lowest resolution tensor necessary to reconstruct the input tensor from the pyramid. Data type supported: S16.
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* The first two dimensions of this tensor must match the first two dimensions of the tensor in the last level of the pyramid, that is:
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* out.width = in.width() / pow(2,pyramid_levels-1) and out.height = in.height() / pow(2,pyramid_levels-1)
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* @param[in] border_mode Border mode to use.
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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 ITensor *input, IPyramid *pyramid, ITensor *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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size_t _num_levels;
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NEGaussianPyramidHalf _gaussian_pyr_function;
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std::vector<NEGaussian5x5> _convf;
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std::vector<NEArithmeticSubtraction> _subf;
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Pyramid _gauss_pyr;
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Pyramid _conv_pyr;
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NEDepthConvertLayer _depth_function;
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};
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}
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#endif /*ARM_COMPUTE_NELAPLACIANPYRAMID_H */
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