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authorAnthony Barbier <anthony.barbier@arm.com>2017-09-04 18:44:23 +0100
committerAnthony Barbier <anthony.barbier@arm.com>2018-09-17 13:03:09 +0100
commit6ff3b19ee6120edf015fad8caab2991faa3070af (patch)
treea7a6dcd16dfd56d79fa1b56a313caeebcc939b68 /src/runtime/NEON/functions/NELaplacianPyramid.cpp
downloadComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
Diffstat (limited to 'src/runtime/NEON/functions/NELaplacianPyramid.cpp')
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+/*
+ * 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();
+}