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author | Isabella Gottardi <isabella.gottardi@arm.com> | 2017-08-29 13:47:03 +0100 |
---|---|---|
committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:35:24 +0000 |
commit | 83be745adba7a9928c03beda65a6a83f14846475 (patch) | |
tree | 3a95d8ec8dc853256e469dadba4dd57360db57d7 /tests/validation/CPP | |
parent | ab60fe8cd25232fdefef95b86e18482343f9d05f (diff) | |
download | ComputeLibrary-83be745adba7a9928c03beda65a6a83f14846475.tar.gz |
COMPMID-424 Implemented reference implementation and tests for WarpAffine
Change-Id: I4924ab1de17adc3b880a5cc22f2497abbc8e221b
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/85820
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Steven Niu <steven.niu@arm.com>
Diffstat (limited to 'tests/validation/CPP')
-rw-r--r-- | tests/validation/CPP/Utils.h | 26 | ||||
-rw-r--r-- | tests/validation/CPP/WarpAffine.cpp | 135 | ||||
-rw-r--r-- | tests/validation/CPP/WarpAffine.h | 43 |
3 files changed, 204 insertions, 0 deletions
diff --git a/tests/validation/CPP/Utils.h b/tests/validation/CPP/Utils.h index 91d1afe1d7..e9a0f09847 100644 --- a/tests/validation/CPP/Utils.h +++ b/tests/validation/CPP/Utils.h @@ -100,6 +100,32 @@ void apply_2d_spatial_filter(Coordinates coord, const SimpleTensor<T> &src, Simp } RawTensor transpose(const RawTensor &src, int chunk_width = 1); + +/** Fill matrix random. + * + * @param[in,out] matrix Matrix + * @param[in] cols Columns (width) of matrix + * @param[in] rows Rows (height) of matrix + */ +template <std::size_t SIZE> +inline void fill_warp_matrix(std::array<float, SIZE> &matrix, int cols, int rows) +{ + std::mt19937 gen(library.get()->seed()); + std::uniform_real_distribution<float> dist(-1, 1); + + for(int v = 0, r = 0; r < rows; ++r) + { + for(int c = 0; c < cols; ++c, ++v) + { + matrix[v] = dist(gen); + } + } + if(SIZE == 9) + { + matrix[(cols * rows) - 1] = 1; + } +} + } // namespace validation } // namespace test } // namespace arm_compute diff --git a/tests/validation/CPP/WarpAffine.cpp b/tests/validation/CPP/WarpAffine.cpp new file mode 100644 index 0000000000..7b903b7661 --- /dev/null +++ b/tests/validation/CPP/WarpAffine.cpp @@ -0,0 +1,135 @@ +/* + * 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 "WarpAffine.h" + +#include "Utils.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +bool valid_bilinear_policy(float xn, float yn, int width, int height, BorderMode border_mode) +{ + if(border_mode != BorderMode::UNDEFINED) + { + return true; + } + if((0 <= yn + 1) && (yn + 1 < height) && (0 <= xn + 1) && (xn + 1 < width)) + { + return true; + } + return false; +} + +template <typename T> +SimpleTensor<T> warp_affine(const SimpleTensor<T> &src, SimpleTensor<T> &valid_mask, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value) +{ + SimpleTensor<T> dst(src.shape(), src.data_type()); + + // x0 = M00 * x + M01 * y + M02 + // y0 = M10 * x + M11 * y + M12 + const float M00 = matrix[0]; + const float M10 = matrix[1]; + const float M01 = matrix[0 + 1 * 2]; + const float M11 = matrix[1 + 1 * 2]; + const float M02 = matrix[0 + 2 * 2]; + const float M12 = matrix[1 + 2 * 2]; + + const int width = src.shape().x(); + const int height = src.shape().y(); + + for(int element_idx = 0; element_idx < src.num_elements(); ++element_idx) + { + valid_mask[element_idx] = 1; + Coordinates id = index2coord(src.shape(), element_idx); + int idx = id.x(); + int idy = id.y(); + + float x0 = M00 * idx + M01 * idy + M02; + float y0 = M10 * idx + M11 * idy + M12; + + id.set(0, static_cast<int>(std::floor(x0))); + id.set(1, static_cast<int>(std::floor(y0))); + if((0 <= y0) && (y0 < height) && (0 <= x0) && (x0 < width)) + { + switch(policy) + { + case InterpolationPolicy::NEAREST_NEIGHBOR: + dst[element_idx] = tensor_elem_at(src, id, border_mode, constant_border_value); + break; + case InterpolationPolicy::BILINEAR: + (valid_bilinear_policy(x0, y0, width, height, border_mode)) ? dst[element_idx] = bilinear_policy(src, id, x0, y0, border_mode, constant_border_value) : + valid_mask[element_idx] = 0; + break; + case InterpolationPolicy::AREA: + default: + ARM_COMPUTE_ERROR("Interpolation not supported"); + } + } + else + { + if(border_mode == BorderMode::UNDEFINED) + { + valid_mask[element_idx] = 0; + } + else + { + switch(policy) + { + case InterpolationPolicy::NEAREST_NEIGHBOR: + if(border_mode == BorderMode::CONSTANT) + { + dst[element_idx] = constant_border_value; + } + else if(border_mode == BorderMode::REPLICATE) + { + id.set(0, std::max(0, std::min(static_cast<int>(x0), width - 1))); + id.set(1, std::max(0, std::min(static_cast<int>(y0), height - 1))); + dst[element_idx] = src[coord2index(src.shape(), id)]; + } + break; + case InterpolationPolicy::BILINEAR: + dst[element_idx] = bilinear_policy(src, id, x0, y0, border_mode, constant_border_value); + break; + case InterpolationPolicy::AREA: + default: + ARM_COMPUTE_ERROR("Interpolation not supported"); + } + } + } + } + + return dst; +} + +template SimpleTensor<uint8_t> warp_affine(const SimpleTensor<uint8_t> &src, SimpleTensor<uint8_t> &valid_mask, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, + uint8_t constant_border_value); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute
\ No newline at end of file diff --git a/tests/validation/CPP/WarpAffine.h b/tests/validation/CPP/WarpAffine.h new file mode 100644 index 0000000000..973b1b2e29 --- /dev/null +++ b/tests/validation/CPP/WarpAffine.h @@ -0,0 +1,43 @@ +/* + * 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. + */ +#ifndef __ARM_COMPUTE_TEST_WARP_AFFINE_H__ +#define __ARM_COMPUTE_TEST_WARP_AFFINE_H__ + +#include "tests/SimpleTensor.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +template <typename T> +SimpleTensor<T> warp_affine(const SimpleTensor<T> &src, SimpleTensor<T> &valid_mask, const float *matrix, InterpolationPolicy policy, BorderMode border_mode, uint8_t constant_border_value); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute +#endif /* __ARM_COMPUTE_TEST_WARP_AFFINE_H__ */ |