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Diffstat (limited to 'tests/validation/reference/GaussianPyramidHalf.cpp')
-rw-r--r-- | tests/validation/reference/GaussianPyramidHalf.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tests/validation/reference/GaussianPyramidHalf.cpp b/tests/validation/reference/GaussianPyramidHalf.cpp new file mode 100644 index 0000000000..0a68dedaee --- /dev/null +++ b/tests/validation/reference/GaussianPyramidHalf.cpp @@ -0,0 +1,67 @@ +/* + * Copyright (c) 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 "GaussianPyramidHalf.h" + +#include "arm_compute/core/Helpers.h" + +#include "Gaussian5x5.h" +#include "Scale.h" +#include "Utils.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +template <typename T> +std::vector<SimpleTensor<T>> gaussian_pyramid_half(const SimpleTensor<T> &src, BorderMode border_mode, uint8_t constant_border_value, size_t num_levels) +{ + std::vector<SimpleTensor<T>> dst; + + // Level0 is equal to src + dst.push_back(src); + + for(size_t i = 1; i < num_levels; ++i) + { + // Gaussian Filter + const SimpleTensor<T> out_gaus5x5 = reference::gaussian5x5(dst[i - 1], border_mode, constant_border_value); + + // Scale down by 2 with nearest interpolation + const SimpleTensor<T> out = reference::scale(out_gaus5x5, SCALE_PYRAMID_HALF, SCALE_PYRAMID_HALF, InterpolationPolicy::NEAREST_NEIGHBOR, border_mode, constant_border_value, SamplingPolicy::CENTER, + true); + + dst.push_back(out); + } + + return dst; +} + +template std::vector<SimpleTensor<uint8_t>> gaussian_pyramid_half(const SimpleTensor<uint8_t> &src, BorderMode border_mode, uint8_t constant_border_value, size_t num_levels); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute |