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author | Moritz Pflanzer <moritz.pflanzer@arm.com> | 2017-09-23 11:57:33 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:35:24 +0000 |
commit | 7655a67384895868c0afa72bfda9a9b2fcfdf323 (patch) | |
tree | 30c1ebf1d4bb05dbdb287403b2539af8c8657b87 /tests/validation/CPP/Sobel.cpp | |
parent | de691f055ac255c798a766483eef63465ac90c75 (diff) | |
download | ComputeLibrary-7655a67384895868c0afa72bfda9a9b2fcfdf323.tar.gz |
COMPMID-507: Move Sobel to new validation
Change-Id: Ic0a9dbd8e646abbf8d9ea52e497a5fe60e499cc7
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/88883
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'tests/validation/CPP/Sobel.cpp')
-rw-r--r-- | tests/validation/CPP/Sobel.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/tests/validation/CPP/Sobel.cpp b/tests/validation/CPP/Sobel.cpp new file mode 100644 index 0000000000..314fbd4f8a --- /dev/null +++ b/tests/validation/CPP/Sobel.cpp @@ -0,0 +1,136 @@ +/* + * 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 "Sobel.h" + +#include "Utils.h" +#include "tests/validation/Helpers.h" + +#include <array> +#include <map> +#include <utility> + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +namespace +{ +const std::array<int8_t, 9> sobel_3_x{ { -1, 0, 1, -2, 0, 2, -1, 0, 1 } }; +const std::array<int8_t, 9> sobel_3_y{ { -1, -2, -1, 0, 0, 0, 1, 2, 1 } }; + +const std::array<int8_t, 25> sobel_5_x{ { + -1, -2, 0, 2, 1, + -4, -8, 0, 8, 4, + -6, -12, 0, 12, 6, + -4, -8, 0, 8, 4, + -1, -2, 0, 2, 1 + } }; + +const std::array<int8_t, 25> sobel_5_y{ { + -1, -4, -6, -4, -1, + -2, -8, -12, -8, -2, + 0, 0, 0, 0, 0, + 2, 8, 12, 8, 2, + 1, 4, 6, 4, 1 + } }; + +const std::array<int8_t, 49> sobel_7_x{ { + -1, -4, -5, 0, 5, 4, 1, + -6, -24, -30, 0, 30, 24, 6, + -15, -60, -75, 0, 75, 60, 15, + -20, -80, -100, 0, 100, 80, 20, + -15, -60, -75, 0, 75, 60, 15, + -6, -24, -30, 0, 30, 24, 6, + -1, -4, -5, 0, 5, 4, 1 + } }; + +const std::array<int8_t, 49> sobel_7_y{ { + -1, -6, -15, -20, -15, -6, -1, + -4, -24, -60, -80, -60, -24, -4, + -5, -30, -75, -100, -75, -30, -5, + 0, 0, 0, 0, 0, 0, 0, + 5, 30, 75, 100, 75, 30, 5, + 4, 24, 60, 80, 60, 24, 4, + 1, 6, 15, 20, 15, 6, 1 + } }; + +const std::map<int, std::pair<const int8_t *, const int8_t *>> masks +{ + { 3, { sobel_3_x.data(), sobel_3_y.data() } }, + { 5, { sobel_5_x.data(), sobel_5_y.data() } }, + { 7, { sobel_7_x.data(), sobel_7_y.data() } }, +}; + +template <typename T> +struct data_type; + +template <> +struct data_type<int16_t> +{ + const static DataType value = DataType::S16; +}; + +template <> +struct data_type<int> +{ + const static DataType value = DataType::S32; +}; +} // namespace + +template <typename T, typename U> +std::pair<SimpleTensor<T>, SimpleTensor<T>> sobel(const SimpleTensor<U> &src, int filter_size, BorderMode border_mode, uint8_t constant_border_value) +{ + SimpleTensor<T> dst_x(src.shape(), data_type<T>::value, src.num_channels()); + SimpleTensor<T> dst_y(src.shape(), data_type<T>::value, src.num_channels()); + + ValidRegion valid_region = shape_to_valid_region(src.shape(), border_mode == BorderMode::UNDEFINED, BorderSize(filter_size / 2)); + + for(int i = 0; i < src.num_elements(); ++i) + { + Coordinates coord = index2coord(src.shape(), i); + + if(!is_in_valid_region(valid_region, coord)) + { + continue; + } + + apply_2d_spatial_filter(coord, src, dst_x, TensorShape{ static_cast<unsigned int>(filter_size), static_cast<unsigned int>(filter_size) }, masks.at(filter_size).first, 1.f, border_mode, + constant_border_value); + apply_2d_spatial_filter(coord, src, dst_y, TensorShape{ static_cast<unsigned int>(filter_size), static_cast<unsigned int>(filter_size) }, masks.at(filter_size).second, 1.f, border_mode, + constant_border_value); + } + + return std::make_pair(dst_x, dst_y); +} + +template std::pair<SimpleTensor<int16_t>, SimpleTensor<int16_t>> sobel(const SimpleTensor<uint8_t> &src, int filter_size, BorderMode border_mode, uint8_t constant_border_value); +template std::pair<SimpleTensor<int>, SimpleTensor<int>> sobel(const SimpleTensor<uint8_t> &src, int filter_size, BorderMode border_mode, uint8_t constant_border_value); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute |