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Diffstat (limited to 'src/runtime/NEON/functions/NELaplacianPyramid.cpp')
-rw-r--r-- | src/runtime/NEON/functions/NELaplacianPyramid.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/runtime/NEON/functions/NELaplacianPyramid.cpp b/src/runtime/NEON/functions/NELaplacianPyramid.cpp new file mode 100644 index 0000000000..8232c79f2d --- /dev/null +++ b/src/runtime/NEON/functions/NELaplacianPyramid.cpp @@ -0,0 +1,102 @@ +/* + * 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(); +} |