| /* |
| * 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 "Remap.h" |
| |
| #include "Utils.h" |
| #include "tests/validation/Helpers.h" |
| |
| #include <algorithm> |
| #include <array> |
| |
| namespace arm_compute |
| { |
| namespace test |
| { |
| namespace validation |
| { |
| namespace reference |
| { |
| template <typename T> |
| SimpleTensor<T> remap(const SimpleTensor<T> &in, SimpleTensor<float> &map_x, SimpleTensor<float> &map_y, SimpleTensor<T> &valid_mask, InterpolationPolicy policy, BorderMode border_mode, |
| T constant_border_value) |
| { |
| ARM_COMPUTE_ERROR_ON_MSG(border_mode == BorderMode::REPLICATE, "BorderMode not supported"); |
| |
| SimpleTensor<T> out(in.shape(), in.data_type()); |
| |
| const int width = in.shape().x(); |
| const int height = in.shape().y(); |
| |
| for(int idx = 0; idx < out.num_elements(); idx++) |
| { |
| valid_mask[idx] = 1; |
| Coordinates src_idx; |
| src_idx.set(0, static_cast<int>(std::floor(map_x[idx]))); |
| src_idx.set(1, static_cast<int>(std::floor(map_y[idx]))); |
| if((0 <= map_y[idx]) && (map_y[idx] < height) && (0 <= map_x[idx]) && (map_x[idx] < width)) |
| { |
| switch(policy) |
| { |
| case InterpolationPolicy::NEAREST_NEIGHBOR: |
| out[idx] = tensor_elem_at(in, src_idx, border_mode, constant_border_value); |
| break; |
| case InterpolationPolicy::BILINEAR: |
| (valid_bilinear_policy(map_x[idx], map_y[idx], width, height, border_mode)) ? out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value) : valid_mask[idx] = 0; |
| break; |
| case InterpolationPolicy::AREA: |
| default: |
| ARM_COMPUTE_ERROR("Interpolation not supported"); |
| break; |
| } |
| } |
| else |
| { |
| if(border_mode == BorderMode::UNDEFINED) |
| { |
| valid_mask[idx] = 0; |
| } |
| else |
| { |
| switch(policy) |
| { |
| case InterpolationPolicy::NEAREST_NEIGHBOR: |
| out[idx] = constant_border_value; |
| break; |
| case InterpolationPolicy::BILINEAR: |
| out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value); |
| break; |
| case InterpolationPolicy::AREA: |
| default: |
| break; |
| } |
| } |
| } |
| } |
| |
| return out; |
| } |
| |
| 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, |
| BorderMode border_mode, |
| uint8_t constant_border_value); |
| } // namespace reference |
| } // namespace validation |
| } // namespace test |
| } // namespace arm_compute |