113 lines
4.4 KiB
C++
113 lines
4.4 KiB
C++
/*
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* Copyright (c) 2017-2019 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "Remap.h"
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#include "Utils.h"
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#include "tests/validation/Helpers.h"
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#include <algorithm>
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#include <array>
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namespace arm_compute
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{
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namespace test
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{
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namespace validation
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{
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namespace reference
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{
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template <typename T>
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SimpleTensor<T> remap(const SimpleTensor<T> &in, SimpleTensor<float> &map_x, SimpleTensor<float> &map_y, SimpleTensor<T> &valid_mask, InterpolationPolicy policy, BorderMode border_mode,
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T constant_border_value)
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{
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ARM_COMPUTE_ERROR_ON_MSG(border_mode == BorderMode::REPLICATE, "BorderMode not supported");
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SimpleTensor<T> out(in.shape(), in.data_type());
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ARM_COMPUTE_ERROR_ON(out.num_elements() != map_x.num_elements());
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const int width = in.shape().x();
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const int height = in.shape().y();
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const uint32_t num_elements = out.num_elements();
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for(uint32_t idx = 0; idx < num_elements; idx++)
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{
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const Coordinates id_out = index2coord(out.shape(), idx);
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valid_mask[idx] = 1;
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Coordinates src_idx = id_out; // need to setup all coordinates and not just xy
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src_idx.set(0, static_cast<int>(std::floor(map_x[idx])));
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src_idx.set(1, static_cast<int>(std::floor(map_y[idx])));
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if((0 <= map_y[idx]) && (map_y[idx] < height) && (0 <= map_x[idx]) && (map_x[idx] < width))
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{
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switch(policy)
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{
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case InterpolationPolicy::NEAREST_NEIGHBOR:
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{
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out[idx] = tensor_elem_at(in, src_idx, border_mode, constant_border_value);
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break;
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}
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case InterpolationPolicy::BILINEAR:
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{
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(valid_bilinear_policy(map_x[idx], map_y[idx], width, height, border_mode)) ?
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out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value) :
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valid_mask[idx] = 0;
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break;
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}
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case InterpolationPolicy::AREA:
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default:
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ARM_COMPUTE_ERROR("Interpolation not supported");
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break;
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}
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}
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else
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{
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if(border_mode == BorderMode::UNDEFINED)
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{
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valid_mask[idx] = 0;
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}
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else
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{
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switch(policy)
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{
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case InterpolationPolicy::NEAREST_NEIGHBOR:
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out[idx] = constant_border_value;
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break;
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case InterpolationPolicy::BILINEAR:
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out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value);
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break;
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case InterpolationPolicy::AREA:
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default:
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break;
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}
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}
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}
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}
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return out;
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}
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template SimpleTensor<uint8_t> remap(const SimpleTensor<uint8_t> &src, SimpleTensor<float> &map_x, SimpleTensor<float> &map_y, SimpleTensor<uint8_t> &valid_mask, InterpolationPolicy policy,
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BorderMode border_mode,
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uint8_t constant_border_value);
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} // namespace reference
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} // namespace validation
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} // namespace test
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} // namespace arm_compute
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