| /* |
| * Copyright (c) 2017-2018 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 "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 |