Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2019 ARM Limited. |
| 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 "arm_compute/core/NEON/kernels/NEBoundingBoxTransformKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/AccessWindowStatic.h" |
| 27 | #include "arm_compute/core/CPP/Validate.h" |
| 28 | #include "arm_compute/core/Helpers.h" |
| 29 | #include "arm_compute/core/TensorInfo.h" |
| 30 | #include "arm_compute/core/Utils.h" |
| 31 | #include "arm_compute/core/Window.h" |
| 32 | |
| 33 | #include <arm_neon.h> |
| 34 | |
| 35 | namespace arm_compute |
| 36 | { |
| 37 | namespace |
| 38 | { |
| 39 | Status validate_arguments(const ITensorInfo *boxes, const ITensorInfo *pred_boxes, const ITensorInfo *deltas, const BoundingBoxTransformInfo &info) |
| 40 | { |
| 41 | ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(boxes, pred_boxes, deltas); |
| 42 | ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(boxes); |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 43 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_NOT_IN(boxes, DataType::QASYMM16, DataType::F32, DataType::F16); |
| 44 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_NOT_IN(deltas, DataType::QASYMM8, DataType::F32, DataType::F16); |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 45 | ARM_COMPUTE_RETURN_ERROR_ON(deltas->tensor_shape()[1] != boxes->tensor_shape()[1]); |
| 46 | ARM_COMPUTE_RETURN_ERROR_ON(deltas->tensor_shape()[0] % 4 != 0); |
| 47 | ARM_COMPUTE_RETURN_ERROR_ON(boxes->tensor_shape()[0] != 4); |
| 48 | ARM_COMPUTE_RETURN_ERROR_ON(deltas->num_dimensions() > 2); |
| 49 | ARM_COMPUTE_RETURN_ERROR_ON(boxes->num_dimensions() > 2); |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 50 | ARM_COMPUTE_RETURN_ERROR_ON(info.scale() <= 0); |
| 51 | |
| 52 | if(boxes->data_type() == DataType::QASYMM16) |
| 53 | { |
| 54 | ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(deltas, 1, DataType::QASYMM8); |
| 55 | const UniformQuantizationInfo deltas_qinfo = deltas->quantization_info().uniform(); |
| 56 | ARM_COMPUTE_RETURN_ERROR_ON(deltas_qinfo.scale != 0.125f); |
| 57 | ARM_COMPUTE_RETURN_ERROR_ON(deltas_qinfo.offset != 0); |
| 58 | } |
| 59 | else |
| 60 | { |
| 61 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(boxes, deltas); |
| 62 | } |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 63 | |
| 64 | if(pred_boxes->total_size() > 0) |
| 65 | { |
| 66 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(pred_boxes->tensor_shape(), deltas->tensor_shape()); |
| 67 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(pred_boxes, deltas); |
| 68 | ARM_COMPUTE_RETURN_ERROR_ON(pred_boxes->num_dimensions() > 2); |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 69 | if(pred_boxes->data_type() == DataType::QASYMM16) |
| 70 | { |
| 71 | const UniformQuantizationInfo pred_qinfo = pred_boxes->quantization_info().uniform(); |
| 72 | ARM_COMPUTE_RETURN_ERROR_ON(pred_qinfo.scale != 0.125f); |
| 73 | ARM_COMPUTE_RETURN_ERROR_ON(pred_qinfo.offset != 0); |
| 74 | } |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 75 | } |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 76 | |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 77 | return Status{}; |
| 78 | } |
| 79 | |
| 80 | std::pair<Status, Window> validate_and_configure_window(ITensorInfo *boxes, ITensorInfo *pred_boxes, ITensorInfo *deltas, const BoundingBoxTransformInfo &bb_info) |
| 81 | { |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 82 | ARM_COMPUTE_UNUSED(bb_info); |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 83 | ARM_COMPUTE_ERROR_ON_NULLPTR(boxes, pred_boxes); |
| 84 | |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 85 | auto_init_if_empty(*pred_boxes, deltas->clone()->set_data_type(boxes->data_type()).set_quantization_info(boxes->quantization_info())); |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 86 | |
| 87 | const unsigned int num_boxes = boxes->dimension(1); |
| 88 | |
| 89 | Window window; |
| 90 | window.set(Window::DimX, Window::Dimension(0, 1u)); |
| 91 | window.set(Window::DimY, Window::Dimension(0, num_boxes)); |
| 92 | |
| 93 | AccessWindowHorizontal input_access(boxes, 0, 4u); |
| 94 | AccessWindowHorizontal output_access(pred_boxes, 0, 4u); |
| 95 | |
| 96 | const bool window_changed = update_window_and_padding(window, input_access, output_access); |
| 97 | output_access.set_valid_region(window, ValidRegion(Coordinates(), pred_boxes->tensor_shape())); |
| 98 | |
| 99 | Status err = (window_changed) ? ARM_COMPUTE_CREATE_ERROR(ErrorCode::RUNTIME_ERROR, "Insufficient Padding!") : Status{}; |
| 100 | return std::make_pair(err, window); |
| 101 | } |
| 102 | |
| 103 | } // namespace |
| 104 | |
| 105 | NEBoundingBoxTransformKernel::NEBoundingBoxTransformKernel() |
| 106 | : _boxes(nullptr), _pred_boxes(nullptr), _deltas(nullptr), _bbinfo(0, 0, 0) |
| 107 | { |
| 108 | } |
| 109 | |
| 110 | void NEBoundingBoxTransformKernel::configure(const ITensor *boxes, ITensor *pred_boxes, const ITensor *deltas, const BoundingBoxTransformInfo &info) |
| 111 | { |
| 112 | ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(boxes->info(), pred_boxes->info(), deltas->info(), info)); |
| 113 | |
| 114 | // Configure kernel window |
| 115 | auto win_config = validate_and_configure_window(boxes->info(), pred_boxes->info(), deltas->info(), info); |
| 116 | ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| 117 | |
| 118 | // Set instance variables |
| 119 | _boxes = boxes; |
| 120 | _pred_boxes = pred_boxes; |
| 121 | _deltas = deltas; |
| 122 | _bbinfo = info; |
| 123 | |
| 124 | INEKernel::configure(win_config.second); |
| 125 | } |
| 126 | |
| 127 | Status NEBoundingBoxTransformKernel::validate(const ITensorInfo *boxes, const ITensorInfo *pred_boxes, const ITensorInfo *deltas, const BoundingBoxTransformInfo &info) |
| 128 | { |
| 129 | ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(boxes, pred_boxes, deltas, info)); |
| 130 | return Status{}; |
| 131 | } |
| 132 | |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 133 | template <> |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 134 | void NEBoundingBoxTransformKernel::internal_run<uint16_t>(const Window &window) |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 135 | { |
| 136 | const size_t num_classes = _deltas->info()->tensor_shape()[0] >> 2; |
| 137 | const size_t deltas_width = _deltas->info()->tensor_shape()[0]; |
| 138 | const int img_h = std::floor(_bbinfo.img_height() / _bbinfo.scale() + 0.5f); |
| 139 | const int img_w = std::floor(_bbinfo.img_width() / _bbinfo.scale() + 0.5f); |
| 140 | |
| 141 | const auto scale_after = (_bbinfo.apply_scale() ? _bbinfo.scale() : 1.f); |
| 142 | const auto scale_before = _bbinfo.scale(); |
| 143 | const auto offset = (_bbinfo.correct_transform_coords() ? 1.f : 0.f); |
| 144 | |
| 145 | auto pred_ptr = reinterpret_cast<uint16_t *>(_pred_boxes->buffer() + _pred_boxes->info()->offset_first_element_in_bytes()); |
| 146 | auto delta_ptr = reinterpret_cast<uint8_t *>(_deltas->buffer() + _deltas->info()->offset_first_element_in_bytes()); |
| 147 | |
| 148 | const auto boxes_qinfo = _boxes->info()->quantization_info().uniform(); |
| 149 | const auto deltas_qinfo = _deltas->info()->quantization_info().uniform(); |
| 150 | const auto pred_qinfo = _pred_boxes->info()->quantization_info().uniform(); |
| 151 | |
| 152 | Iterator box_it(_boxes, window); |
| 153 | execute_window_loop(window, [&](const Coordinates & id) |
| 154 | { |
| 155 | const auto ptr = reinterpret_cast<uint16_t *>(box_it.ptr()); |
| 156 | const auto b0 = dequantize_qasymm16(*ptr, boxes_qinfo); |
| 157 | const auto b1 = dequantize_qasymm16(*(ptr + 1), boxes_qinfo); |
| 158 | const auto b2 = dequantize_qasymm16(*(ptr + 2), boxes_qinfo); |
| 159 | const auto b3 = dequantize_qasymm16(*(ptr + 3), boxes_qinfo); |
| 160 | const float width = (b2 / scale_before) - (b0 / scale_before) + 1.f; |
| 161 | const float height = (b3 / scale_before) - (b1 / scale_before) + 1.f; |
| 162 | const float ctr_x = (b0 / scale_before) + 0.5f * width; |
| 163 | const float ctr_y = (b1 / scale_before) + 0.5f * height; |
| 164 | for(size_t j = 0; j < num_classes; ++j) |
| 165 | { |
| 166 | // Extract deltas |
| 167 | const size_t delta_id = id.y() * deltas_width + 4u * j; |
| 168 | const float dx = dequantize_qasymm8(delta_ptr[delta_id], deltas_qinfo) / _bbinfo.weights()[0]; |
| 169 | const float dy = dequantize_qasymm8(delta_ptr[delta_id + 1], deltas_qinfo) / _bbinfo.weights()[1]; |
| 170 | float dw = dequantize_qasymm8(delta_ptr[delta_id + 2], deltas_qinfo) / _bbinfo.weights()[2]; |
| 171 | float dh = dequantize_qasymm8(delta_ptr[delta_id + 3], deltas_qinfo) / _bbinfo.weights()[3]; |
| 172 | // Clip dw and dh |
| 173 | dw = std::min(dw, _bbinfo.bbox_xform_clip()); |
| 174 | dh = std::min(dh, _bbinfo.bbox_xform_clip()); |
| 175 | // Determine the predictions |
| 176 | const float pred_ctr_x = dx * width + ctr_x; |
| 177 | const float pred_ctr_y = dy * height + ctr_y; |
| 178 | const float pred_w = std::exp(dw) * width; |
| 179 | const float pred_h = std::exp(dh) * height; |
| 180 | // Store the prediction into the output tensor |
| 181 | pred_ptr[delta_id] = quantize_qasymm16(scale_after * utility::clamp<float>(pred_ctr_x - 0.5f * pred_w, 0.f, img_w - 1.f), pred_qinfo); |
| 182 | pred_ptr[delta_id + 1] = quantize_qasymm16(scale_after * utility::clamp<float>(pred_ctr_y - 0.5f * pred_h, 0.f, img_h - 1.f), pred_qinfo); |
| 183 | pred_ptr[delta_id + 2] = quantize_qasymm16(scale_after * utility::clamp<float>(pred_ctr_x + 0.5f * pred_w - offset, 0.f, img_w - 1.f), pred_qinfo); |
| 184 | pred_ptr[delta_id + 3] = quantize_qasymm16(scale_after * utility::clamp<float>(pred_ctr_y + 0.5f * pred_h - offset, 0.f, img_h - 1.f), pred_qinfo); |
| 185 | } |
| 186 | }, |
| 187 | box_it); |
| 188 | } |
| 189 | |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 190 | template <typename T> |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 191 | void NEBoundingBoxTransformKernel::internal_run(const Window &window) |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 192 | { |
| 193 | const size_t num_classes = _deltas->info()->tensor_shape()[0] >> 2; |
| 194 | const size_t deltas_width = _deltas->info()->tensor_shape()[0]; |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 195 | const int img_h = std::floor(_bbinfo.img_height() / _bbinfo.scale() + 0.5f); |
| 196 | const int img_w = std::floor(_bbinfo.img_width() / _bbinfo.scale() + 0.5f); |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 197 | |
| 198 | const auto scale_after = (_bbinfo.apply_scale() ? T(_bbinfo.scale()) : T(1)); |
| 199 | const auto scale_before = T(_bbinfo.scale()); |
| 200 | ARM_COMPUTE_ERROR_ON(scale_before <= 0); |
| 201 | const auto offset = (_bbinfo.correct_transform_coords() ? T(1.f) : T(0.f)); |
| 202 | |
| 203 | auto pred_ptr = reinterpret_cast<T *>(_pred_boxes->buffer() + _pred_boxes->info()->offset_first_element_in_bytes()); |
| 204 | auto delta_ptr = reinterpret_cast<T *>(_deltas->buffer() + _deltas->info()->offset_first_element_in_bytes()); |
| 205 | |
| 206 | Iterator box_it(_boxes, window); |
| 207 | execute_window_loop(window, [&](const Coordinates & id) |
| 208 | { |
| 209 | const auto ptr = reinterpret_cast<T *>(box_it.ptr()); |
| 210 | const auto b0 = *ptr; |
| 211 | const auto b1 = *(ptr + 1); |
| 212 | const auto b2 = *(ptr + 2); |
| 213 | const auto b3 = *(ptr + 3); |
| 214 | const T width = (b2 / scale_before) - (b0 / scale_before) + T(1.f); |
| 215 | const T height = (b3 / scale_before) - (b1 / scale_before) + T(1.f); |
| 216 | const T ctr_x = (b0 / scale_before) + T(0.5f) * width; |
| 217 | const T ctr_y = (b1 / scale_before) + T(0.5f) * height; |
| 218 | for(size_t j = 0; j < num_classes; ++j) |
| 219 | { |
| 220 | // Extract deltas |
| 221 | const size_t delta_id = id.y() * deltas_width + 4u * j; |
| 222 | const T dx = delta_ptr[delta_id] / T(_bbinfo.weights()[0]); |
| 223 | const T dy = delta_ptr[delta_id + 1] / T(_bbinfo.weights()[1]); |
| 224 | T dw = delta_ptr[delta_id + 2] / T(_bbinfo.weights()[2]); |
| 225 | T dh = delta_ptr[delta_id + 3] / T(_bbinfo.weights()[3]); |
| 226 | // Clip dw and dh |
| 227 | dw = std::min(dw, T(_bbinfo.bbox_xform_clip())); |
| 228 | dh = std::min(dh, T(_bbinfo.bbox_xform_clip())); |
| 229 | // Determine the predictions |
| 230 | const T pred_ctr_x = dx * width + ctr_x; |
| 231 | const T pred_ctr_y = dy * height + ctr_y; |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 232 | const T pred_w = std::exp(dw) * width; |
| 233 | const T pred_h = std::exp(dh) * height; |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 234 | // Store the prediction into the output tensor |
| 235 | pred_ptr[delta_id] = scale_after * utility::clamp<T>(pred_ctr_x - T(0.5f) * pred_w, T(0), T(img_w - 1)); |
| 236 | pred_ptr[delta_id + 1] = scale_after * utility::clamp<T>(pred_ctr_y - T(0.5f) * pred_h, T(0), T(img_h - 1)); |
| 237 | pred_ptr[delta_id + 2] = scale_after * utility::clamp<T>(pred_ctr_x + T(0.5f) * pred_w - offset, T(0), T(img_w - 1)); |
| 238 | pred_ptr[delta_id + 3] = scale_after * utility::clamp<T>(pred_ctr_y + T(0.5f) * pred_h - offset, T(0), T(img_h - 1)); |
| 239 | } |
| 240 | }, |
| 241 | box_it); |
| 242 | } |
| 243 | |
| 244 | void NEBoundingBoxTransformKernel::run(const Window &window, const ThreadInfo &info) |
| 245 | { |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 246 | ARM_COMPUTE_UNUSED(info); |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 247 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 248 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window); |
| 249 | switch(_boxes->info()->data_type()) |
| 250 | { |
| 251 | case DataType::F32: |
| 252 | { |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 253 | internal_run<float>(window); |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 254 | break; |
| 255 | } |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 256 | case DataType::QASYMM16: |
| 257 | { |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 258 | internal_run<uint16_t>(window); |
Pablo Tello | ffd31de | 2019-09-04 13:38:14 +0100 | [diff] [blame] | 259 | break; |
| 260 | } |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 261 | #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| 262 | case DataType::F16: |
| 263 | { |
Michalis Spyrou | 6bff195 | 2019-10-02 17:22:11 +0100 | [diff] [blame] | 264 | internal_run<float16_t>(window); |
Pablo Tello | ed0e35b | 2019-08-30 14:44:52 +0100 | [diff] [blame] | 265 | break; |
| 266 | } |
| 267 | #endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC |
| 268 | default: |
| 269 | { |
| 270 | ARM_COMPUTE_ERROR("Data type not supported"); |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | } // namespace arm_compute |