From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001 From: Anthony Barbier Date: Mon, 4 Sep 2017 18:44:23 +0100 Subject: COMPMID-344 Updated doxygen Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae --- .../NEON/functions/NELaplacianReconstruct.cpp | 100 +++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 src/runtime/NEON/functions/NELaplacianReconstruct.cpp (limited to 'src/runtime/NEON/functions/NELaplacianReconstruct.cpp') diff --git a/src/runtime/NEON/functions/NELaplacianReconstruct.cpp b/src/runtime/NEON/functions/NELaplacianReconstruct.cpp new file mode 100644 index 0000000000..36ac4a74d1 --- /dev/null +++ b/src/runtime/NEON/functions/NELaplacianReconstruct.cpp @@ -0,0 +1,100 @@ +/* + * 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/NELaplacianReconstruct.h" + +#include "arm_compute/core/Error.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/IPyramid.h" +#include "arm_compute/core/ITensor.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Validate.h" + +#include + +using namespace arm_compute; + +NELaplacianReconstruct::NELaplacianReconstruct() + : _tmp_pyr(), _addf(), _scalef(), _depthf() +{ +} + +void NELaplacianReconstruct::configure(const IPyramid *pyramid, const ITensor *input, ITensor *output, BorderMode border_mode, uint8_t constant_border_value) +{ + ARM_COMPUTE_ERROR_ON(nullptr == pyramid); + ARM_COMPUTE_ERROR_ON(input == output); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::S16); + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::U8); + ARM_COMPUTE_ERROR_ON(input->info()->num_dimensions() != pyramid->get_pyramid_level(0)->info()->num_dimensions()); + ARM_COMPUTE_ERROR_ON(output->info()->num_dimensions() != pyramid->get_pyramid_level(0)->info()->num_dimensions()); + ARM_COMPUTE_ERROR_ON(output->info()->dimension(0) != pyramid->get_pyramid_level(0)->info()->dimension(0)); + ARM_COMPUTE_ERROR_ON(output->info()->dimension(1) != pyramid->get_pyramid_level(0)->info()->dimension(1)); + ARM_COMPUTE_ERROR_ON(input->info()->dimension(0) != pyramid->get_pyramid_level(pyramid->info()->num_levels() - 1)->info()->dimension(0)); + ARM_COMPUTE_ERROR_ON(input->info()->dimension(1) != pyramid->get_pyramid_level(pyramid->info()->num_levels() - 1)->info()->dimension(1)); + + const size_t num_levels = pyramid->info()->num_levels(); + + // Create and initialize the tmp pyramid: I(n-2) = upsample( input + Laplace(n-1) ) + PyramidInfo pyramid_info; + pyramid_info.init(num_levels, 0.5f, output->info()->tensor_shape(), arm_compute::Format::S16); + + _tmp_pyr.init(pyramid_info); + + // Allocate add and scale functions. Level 0 does not need to be scaled. + _addf = arm_compute::cpp14::make_unique(num_levels); + _scalef = arm_compute::cpp14::make_unique(num_levels - 1); + + const size_t last_level = num_levels - 1; + + _addf[last_level].configure(input, pyramid->get_pyramid_level(last_level), _tmp_pyr.get_pyramid_level(last_level), ConvertPolicy::SATURATE); + + // Scale levels n-1 to 1, and add levels n-2 to 0 + for(size_t l = 0; l < last_level; ++l) + { + _scalef[l].configure(_tmp_pyr.get_pyramid_level(l + 1), _tmp_pyr.get_pyramid_level(l), arm_compute::InterpolationPolicy::NEAREST_NEIGHBOR, border_mode, constant_border_value); + _addf[l].configure(_tmp_pyr.get_pyramid_level(l), pyramid->get_pyramid_level(l), _tmp_pyr.get_pyramid_level(l), ConvertPolicy::SATURATE); + } + + // Convert level 0 from S16 to U8 + _depthf.configure(_tmp_pyr.get_pyramid_level(0), output, ConvertPolicy::SATURATE, 0); + + _tmp_pyr.allocate(); +} + +void NELaplacianReconstruct::run() +{ + ARM_COMPUTE_ERROR_ON_MSG(_addf == nullptr, "Unconfigured function"); + + const size_t last_level = _tmp_pyr.info()->num_levels() - 1; + + _addf[last_level].run(); + + // Run l = [last_level - 1, 0] + for(size_t l = last_level; l-- > 0;) + { + _scalef[l].run(); + _addf[l].run(); + } + + _depthf.run(); +} -- cgit v1.2.1