diff options
Diffstat (limited to 'tests/validation/reference')
-rw-r--r-- | tests/validation/reference/LaplacianPyramid.cpp | 70 | ||||
-rw-r--r-- | tests/validation/reference/LaplacianPyramid.h | 43 |
2 files changed, 113 insertions, 0 deletions
diff --git a/tests/validation/reference/LaplacianPyramid.cpp b/tests/validation/reference/LaplacianPyramid.cpp new file mode 100644 index 0000000000..566847453b --- /dev/null +++ b/tests/validation/reference/LaplacianPyramid.cpp @@ -0,0 +1,70 @@ +/* + * Copyright (c) 2018 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 "LaplacianPyramid.h" + +#include "tests/validation/reference/ArithmeticSubtraction.h" +#include "tests/validation/reference/DepthConvertLayer.h" +#include "tests/validation/reference/Gaussian5x5.h" +#include "tests/validation/reference/GaussianPyramidHalf.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +template <typename T, typename U> +std::vector<SimpleTensor<U>> laplacian_pyramid(const SimpleTensor<T> &src, SimpleTensor<U> &dst, size_t num_levels, BorderMode border_mode, uint8_t constant_border_value) +{ + std::vector<SimpleTensor<T>> pyramid_conv; + std::vector<SimpleTensor<U>> pyramid_dst; + + // First, a Gaussian pyramid with SCALE_PYRAMID_HALF is created + std::vector<SimpleTensor<T>> gaussian_level_pyramid = reference::gaussian_pyramid_half(src, border_mode, constant_border_value, num_levels); + + // For each level i, the corresponding image Ii is blurred with Gaussian 5x5 + // filter, and the difference between the two images is the corresponding + // level Li of the Laplacian pyramid + for(size_t i = 0; i < num_levels; ++i) + { + const SimpleTensor<T> level_filtered = reference::gaussian5x5(gaussian_level_pyramid[i], border_mode, constant_border_value); + pyramid_conv.push_back(level_filtered); + + const SimpleTensor<U> level_sub = reference::arithmetic_subtraction<T, T, U>(gaussian_level_pyramid[i], level_filtered, dst.data_type(), ConvertPolicy::WRAP); + pyramid_dst.push_back(level_sub); + } + + // Return the lowest resolution image and the pyramid + dst = depth_convert<T, U>(pyramid_conv[num_levels - 1], DataType::S16, ConvertPolicy::WRAP, 0); + + return pyramid_dst; +} + +template std::vector<SimpleTensor<int16_t>> laplacian_pyramid(const SimpleTensor<uint8_t> &src, SimpleTensor<int16_t> &dst, size_t num_levels, BorderMode border_mode, uint8_t constant_border_value); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute diff --git a/tests/validation/reference/LaplacianPyramid.h b/tests/validation/reference/LaplacianPyramid.h new file mode 100644 index 0000000000..aa76f56968 --- /dev/null +++ b/tests/validation/reference/LaplacianPyramid.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2018 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. + */ +#ifndef __ARM_COMPUTE_TEST_LAPLACIAN_PYRAMID_H__ +#define __ARM_COMPUTE_TEST_LAPLACIAN_PYRAMID_H__ + +#include "tests/SimpleTensor.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +template <typename T, typename U> +std::vector<SimpleTensor<U>> laplacian_pyramid(const SimpleTensor<T> &src, SimpleTensor<U> &dst, size_t num_levels, BorderMode border_mode, uint8_t constant_border_value); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute +#endif /* __ARM_COMPUTE_TEST_LAPLACIAN_PYRAMID_H__ */ |