| /* |
| * Copyright (c) 2016, 2017 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. |
| */ |
| #include "arm_compute/runtime/NEON/functions/NELaplacianPyramid.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/IPyramid.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Validate.h" |
| #include "arm_compute/runtime/NEON/functions/NEArithmeticSubtraction.h" |
| #include "arm_compute/runtime/NEON/functions/NEDepthConvert.h" |
| #include "arm_compute/runtime/NEON/functions/NEGaussian5x5.h" |
| #include "arm_compute/runtime/NEON/functions/NEGaussianPyramid.h" |
| #include "arm_compute/runtime/Tensor.h" |
| |
| using namespace arm_compute; |
| |
| NELaplacianPyramid::NELaplacianPyramid() |
| : _num_levels(0), _gaussian_pyr_function(), _convf(), _subf(), _gauss_pyr(), _conv_pyr(), _depth_function() |
| { |
| } |
| |
| void NELaplacianPyramid::run() |
| { |
| ARM_COMPUTE_ERROR_ON_MSG(0 == _num_levels, "Unconfigured function"); |
| |
| // Compute Gaussian Pyramid |
| _gaussian_pyr_function.run(); |
| |
| for(unsigned int i = 0; i < _num_levels; ++i) |
| { |
| // Apply Gaussian filter to gaussian pyramid image |
| _convf[i].run(); |
| } |
| |
| for(unsigned int i = 0; i < _num_levels; ++i) |
| { |
| // Compute laplacian image |
| _subf[i].run(); |
| } |
| |
| _depth_function.run(); |
| } |
| |
| void NELaplacianPyramid::configure(const ITensor *input, IPyramid *pyramid, ITensor *output, BorderMode border_mode, uint8_t constant_border_value) |
| { |
| ARM_COMPUTE_ERROR_ON(nullptr == pyramid); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::U8); |
| ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::S16); |
| ARM_COMPUTE_ERROR_ON(0 == pyramid->info()->num_levels()); |
| ARM_COMPUTE_ERROR_ON(input->info()->dimension(0) != pyramid->info()->width()); |
| ARM_COMPUTE_ERROR_ON(input->info()->dimension(1) != pyramid->info()->height()); |
| ARM_COMPUTE_ERROR_ON(output->info()->dimension(0) != pyramid->get_pyramid_level(pyramid->info()->num_levels() - 1)->info()->dimension(0)); |
| ARM_COMPUTE_ERROR_ON(output->info()->dimension(1) != pyramid->get_pyramid_level(pyramid->info()->num_levels() - 1)->info()->dimension(1)); |
| |
| _num_levels = pyramid->info()->num_levels(); |
| |
| // Create and initialize the gaussian pyramid and the convoluted pyramid |
| PyramidInfo pyramid_info; |
| pyramid_info.init(_num_levels, 0.5f, pyramid->info()->tensor_shape(), arm_compute::Format::U8); |
| |
| _gauss_pyr.init(pyramid_info); |
| _conv_pyr.init(pyramid_info); |
| |
| // Create Gaussian Pyramid function |
| _gaussian_pyr_function.configure(input, &_gauss_pyr, border_mode, constant_border_value); |
| |
| _convf = arm_compute::cpp14::make_unique<NEGaussian5x5[]>(_num_levels); |
| _subf = arm_compute::cpp14::make_unique<NEArithmeticSubtraction[]>(_num_levels); |
| |
| for(unsigned int i = 0; i < _num_levels; ++i) |
| { |
| _convf[i].configure(_gauss_pyr.get_pyramid_level(i), _conv_pyr.get_pyramid_level(i), border_mode, constant_border_value); |
| _subf[i].configure(_gauss_pyr.get_pyramid_level(i), _conv_pyr.get_pyramid_level(i), pyramid->get_pyramid_level(i), ConvertPolicy::WRAP); |
| } |
| |
| _depth_function.configure(_conv_pyr.get_pyramid_level(_num_levels - 1), output, ConvertPolicy::WRAP, 0); |
| |
| _gauss_pyr.allocate(); |
| _conv_pyr.allocate(); |
| } |