Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 1 | /* |
Michele Di Giorgio | d9eaf61 | 2020-07-08 11:12:57 +0100 | [diff] [blame] | 2 | * Copyright (c) 2017-2019 Arm Limited. |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "Remap.h" |
| 25 | |
| 26 | #include "Utils.h" |
| 27 | #include "tests/validation/Helpers.h" |
| 28 | |
| 29 | #include <algorithm> |
| 30 | #include <array> |
| 31 | |
| 32 | namespace arm_compute |
| 33 | { |
| 34 | namespace test |
| 35 | { |
| 36 | namespace validation |
| 37 | { |
| 38 | namespace reference |
| 39 | { |
| 40 | template <typename T> |
| 41 | SimpleTensor<T> remap(const SimpleTensor<T> &in, SimpleTensor<float> &map_x, SimpleTensor<float> &map_y, SimpleTensor<T> &valid_mask, InterpolationPolicy policy, BorderMode border_mode, |
| 42 | T constant_border_value) |
| 43 | { |
| 44 | ARM_COMPUTE_ERROR_ON_MSG(border_mode == BorderMode::REPLICATE, "BorderMode not supported"); |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 45 | SimpleTensor<T> out(in.shape(), in.data_type()); |
Pablo Tello | fc1ffe6 | 2018-01-23 08:31:41 +0000 | [diff] [blame] | 46 | ARM_COMPUTE_ERROR_ON(out.num_elements() != map_x.num_elements()); |
Michalis Spyrou | fae513c | 2019-10-16 17:41:33 +0100 | [diff] [blame] | 47 | const int width = in.shape().x(); |
| 48 | const int height = in.shape().y(); |
| 49 | const uint32_t num_elements = out.num_elements(); |
| 50 | for(uint32_t idx = 0; idx < num_elements; idx++) |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 51 | { |
Pablo Tello | fc1ffe6 | 2018-01-23 08:31:41 +0000 | [diff] [blame] | 52 | const Coordinates id_out = index2coord(out.shape(), idx); |
| 53 | valid_mask[idx] = 1; |
| 54 | Coordinates src_idx = id_out; // need to setup all coordinates and not just xy |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 55 | src_idx.set(0, static_cast<int>(std::floor(map_x[idx]))); |
| 56 | src_idx.set(1, static_cast<int>(std::floor(map_y[idx]))); |
| 57 | if((0 <= map_y[idx]) && (map_y[idx] < height) && (0 <= map_x[idx]) && (map_x[idx] < width)) |
| 58 | { |
| 59 | switch(policy) |
| 60 | { |
| 61 | case InterpolationPolicy::NEAREST_NEIGHBOR: |
Pablo Tello | fc1ffe6 | 2018-01-23 08:31:41 +0000 | [diff] [blame] | 62 | { |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 63 | out[idx] = tensor_elem_at(in, src_idx, border_mode, constant_border_value); |
| 64 | break; |
Pablo Tello | fc1ffe6 | 2018-01-23 08:31:41 +0000 | [diff] [blame] | 65 | } |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 66 | case InterpolationPolicy::BILINEAR: |
Pablo Tello | fc1ffe6 | 2018-01-23 08:31:41 +0000 | [diff] [blame] | 67 | { |
| 68 | (valid_bilinear_policy(map_x[idx], map_y[idx], width, height, border_mode)) ? |
| 69 | out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value) : |
| 70 | valid_mask[idx] = 0; |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 71 | break; |
Pablo Tello | fc1ffe6 | 2018-01-23 08:31:41 +0000 | [diff] [blame] | 72 | } |
Sanghoon Lee | fc35b51 | 2017-10-18 12:09:04 +0100 | [diff] [blame] | 73 | case InterpolationPolicy::AREA: |
| 74 | default: |
| 75 | ARM_COMPUTE_ERROR("Interpolation not supported"); |
| 76 | break; |
| 77 | } |
| 78 | } |
| 79 | else |
| 80 | { |
| 81 | if(border_mode == BorderMode::UNDEFINED) |
| 82 | { |
| 83 | valid_mask[idx] = 0; |
| 84 | } |
| 85 | else |
| 86 | { |
| 87 | switch(policy) |
| 88 | { |
| 89 | case InterpolationPolicy::NEAREST_NEIGHBOR: |
| 90 | out[idx] = constant_border_value; |
| 91 | break; |
| 92 | case InterpolationPolicy::BILINEAR: |
| 93 | out[idx] = bilinear_policy(in, src_idx, map_x[idx], map_y[idx], border_mode, constant_border_value); |
| 94 | break; |
| 95 | case InterpolationPolicy::AREA: |
| 96 | default: |
| 97 | break; |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | return out; |
| 104 | } |
| 105 | |
| 106 | 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, |
| 107 | BorderMode border_mode, |
| 108 | uint8_t constant_border_value); |
| 109 | } // namespace reference |
| 110 | } // namespace validation |
| 111 | } // namespace test |
| 112 | } // namespace arm_compute |