telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
David Beck | ecb56cd | 2018-09-05 12:52:57 +0100 | [diff] [blame] | 3 | // SPDX-License-Identifier: MIT |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 4 | // |
| 5 | #pragma once |
| 6 | |
| 7 | #include "InferenceTest.hpp" |
| 8 | #include "YoloDatabase.hpp" |
| 9 | |
| 10 | #include <algorithm> |
| 11 | #include <array> |
| 12 | #include <utility> |
| 13 | |
| 14 | #include <boost/assert.hpp> |
| 15 | #include <boost/multi_array.hpp> |
| 16 | #include <boost/test/tools/floating_point_comparison.hpp> |
| 17 | |
| 18 | constexpr size_t YoloOutputSize = 1470; |
| 19 | |
| 20 | template <typename Model> |
| 21 | class YoloTestCase : public InferenceModelTestCase<Model> |
| 22 | { |
| 23 | public: |
| 24 | YoloTestCase(Model& model, |
| 25 | unsigned int testCaseId, |
| 26 | YoloTestCaseData& testCaseData) |
| 27 | : InferenceModelTestCase<Model>(model, testCaseId, std::move(testCaseData.m_InputImage), YoloOutputSize) |
| 28 | , m_FloatComparer(boost::math::fpc::percent_tolerance(1.0f)) |
| 29 | , m_TopObjectDetections(std::move(testCaseData.m_TopObjectDetections)) |
| 30 | { |
| 31 | } |
| 32 | |
| 33 | virtual TestCaseResult ProcessResult(const InferenceTestOptions& options) override |
| 34 | { |
| 35 | using Boost3dArray = boost::multi_array<float, 3>; |
| 36 | |
| 37 | const std::vector<float>& output = this->GetOutput(); |
| 38 | BOOST_ASSERT(output.size() == YoloOutputSize); |
| 39 | |
| 40 | constexpr Boost3dArray::index gridSize = 7; |
| 41 | constexpr Boost3dArray::index numClasses = 20; |
| 42 | constexpr Boost3dArray::index numScales = 2; |
| 43 | |
| 44 | const float* outputPtr = output.data(); |
| 45 | |
| 46 | // Range 0-980. Class probabilities. 7x7x20 |
| 47 | Boost3dArray classProbabilities(boost::extents[gridSize][gridSize][numClasses]); |
| 48 | for (Boost3dArray::index y = 0; y < gridSize; ++y) |
| 49 | { |
| 50 | for (Boost3dArray::index x = 0; x < gridSize; ++x) |
| 51 | { |
| 52 | for (Boost3dArray::index c = 0; c < numClasses; ++c) |
| 53 | { |
| 54 | classProbabilities[y][x][c] = *outputPtr++; |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | // Range 980-1078. Scales. 7x7x2 |
| 60 | Boost3dArray scales(boost::extents[gridSize][gridSize][numScales]); |
| 61 | for (Boost3dArray::index y = 0; y < gridSize; ++y) |
| 62 | { |
| 63 | for (Boost3dArray::index x = 0; x < gridSize; ++x) |
| 64 | { |
| 65 | for (Boost3dArray::index s = 0; s < numScales; ++s) |
| 66 | { |
| 67 | scales[y][x][s] = *outputPtr++; |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | // Range 1078-1469. Bounding boxes. 7x7x2x4 |
| 73 | constexpr float imageWidthAsFloat = static_cast<float>(YoloImageWidth); |
| 74 | constexpr float imageHeightAsFloat = static_cast<float>(YoloImageHeight); |
| 75 | |
| 76 | boost::multi_array<float, 4> boxes(boost::extents[gridSize][gridSize][numScales][4]); |
| 77 | for (Boost3dArray::index y = 0; y < gridSize; ++y) |
| 78 | { |
| 79 | for (Boost3dArray::index x = 0; x < gridSize; ++x) |
| 80 | { |
| 81 | for (Boost3dArray::index s = 0; s < numScales; ++s) |
| 82 | { |
| 83 | float bx = *outputPtr++; |
| 84 | float by = *outputPtr++; |
| 85 | float bw = *outputPtr++; |
| 86 | float bh = *outputPtr++; |
| 87 | |
| 88 | boxes[y][x][s][0] = ((bx + static_cast<float>(x)) / 7.0f) * imageWidthAsFloat; |
| 89 | boxes[y][x][s][1] = ((by + static_cast<float>(y)) / 7.0f) * imageHeightAsFloat; |
| 90 | boxes[y][x][s][2] = bw * bw * static_cast<float>(imageWidthAsFloat); |
| 91 | boxes[y][x][s][3] = bh * bh * static_cast<float>(imageHeightAsFloat); |
| 92 | } |
| 93 | } |
| 94 | } |
| 95 | BOOST_ASSERT(output.data() + YoloOutputSize == outputPtr); |
| 96 | |
| 97 | std::vector<YoloDetectedObject> detectedObjects; |
| 98 | detectedObjects.reserve(gridSize * gridSize * numScales * numClasses); |
| 99 | |
| 100 | for (Boost3dArray::index y = 0; y < gridSize; ++y) |
| 101 | { |
| 102 | for (Boost3dArray::index x = 0; x < gridSize; ++x) |
| 103 | { |
| 104 | for (Boost3dArray::index s = 0; s < numScales; ++s) |
| 105 | { |
| 106 | for (Boost3dArray::index c = 0; c < numClasses; ++c) |
| 107 | { |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 108 | // Resolved confidence: class probabilities * scales. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 109 | const float confidence = classProbabilities[y][x][c] * scales[y][x][s]; |
| 110 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 111 | // Resolves bounding box and stores. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 112 | YoloBoundingBox box; |
| 113 | box.m_X = boxes[y][x][s][0]; |
| 114 | box.m_Y = boxes[y][x][s][1]; |
| 115 | box.m_W = boxes[y][x][s][2]; |
| 116 | box.m_H = boxes[y][x][s][3]; |
| 117 | |
| 118 | detectedObjects.emplace_back(c, box, confidence); |
| 119 | } |
| 120 | } |
| 121 | } |
| 122 | } |
| 123 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 124 | // Sorts detected objects by confidence. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 125 | std::sort(detectedObjects.begin(), detectedObjects.end(), |
| 126 | [](const YoloDetectedObject& a, const YoloDetectedObject& b) |
| 127 | { |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 128 | // Sorts by largest confidence first, then by class. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 129 | return a.m_Confidence > b.m_Confidence |
| 130 | || (a.m_Confidence == b.m_Confidence && a.m_Class > b.m_Class); |
| 131 | }); |
| 132 | |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 133 | // Checks the top N detections. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 134 | auto outputIt = detectedObjects.begin(); |
| 135 | auto outputEnd = detectedObjects.end(); |
| 136 | |
| 137 | for (const YoloDetectedObject& expectedDetection : m_TopObjectDetections) |
| 138 | { |
| 139 | if (outputIt == outputEnd) |
| 140 | { |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 141 | // Somehow expected more things to check than detections found by the model. |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 142 | return TestCaseResult::Abort; |
| 143 | } |
| 144 | |
| 145 | const YoloDetectedObject& detectedObject = *outputIt; |
| 146 | if (detectedObject.m_Class != expectedDetection.m_Class) |
| 147 | { |
| 148 | BOOST_LOG_TRIVIAL(error) << "Prediction for test case " << this->GetTestCaseId() << |
James Conroy | ca225f0 | 2018-09-18 17:06:44 +0100 | [diff] [blame] | 149 | " is incorrect: Expected (" << expectedDetection.m_Class << ")" << |
| 150 | " but predicted (" << detectedObject.m_Class << ")"; |
telsoa01 | 4fcda01 | 2018-03-09 14:13:49 +0000 | [diff] [blame] | 151 | return TestCaseResult::Failed; |
| 152 | } |
| 153 | |
| 154 | if (!m_FloatComparer(detectedObject.m_Box.m_X, expectedDetection.m_Box.m_X) || |
| 155 | !m_FloatComparer(detectedObject.m_Box.m_Y, expectedDetection.m_Box.m_Y) || |
| 156 | !m_FloatComparer(detectedObject.m_Box.m_W, expectedDetection.m_Box.m_W) || |
| 157 | !m_FloatComparer(detectedObject.m_Box.m_H, expectedDetection.m_Box.m_H) || |
| 158 | !m_FloatComparer(detectedObject.m_Confidence, expectedDetection.m_Confidence)) |
| 159 | { |
| 160 | BOOST_LOG_TRIVIAL(error) << "Detected bounding box for test case " << this->GetTestCaseId() << |
| 161 | " is incorrect"; |
| 162 | return TestCaseResult::Failed; |
| 163 | } |
| 164 | |
| 165 | ++outputIt; |
| 166 | } |
| 167 | |
| 168 | return TestCaseResult::Ok; |
| 169 | } |
| 170 | |
| 171 | private: |
| 172 | boost::math::fpc::close_at_tolerance<float> m_FloatComparer; |
| 173 | std::vector<YoloDetectedObject> m_TopObjectDetections; |
| 174 | }; |
| 175 | |
| 176 | template <typename Model> |
| 177 | class YoloTestCaseProvider : public IInferenceTestCaseProvider |
| 178 | { |
| 179 | public: |
| 180 | template <typename TConstructModelCallable> |
| 181 | YoloTestCaseProvider(TConstructModelCallable constructModel) |
| 182 | : m_ConstructModel(constructModel) |
| 183 | { |
| 184 | } |
| 185 | |
| 186 | virtual void AddCommandLineOptions(boost::program_options::options_description& options) override |
| 187 | { |
| 188 | namespace po = boost::program_options; |
| 189 | |
| 190 | options.add_options() |
| 191 | ("data-dir,d", po::value<std::string>(&m_DataDir)->required(), |
| 192 | "Path to directory containing test data"); |
| 193 | |
| 194 | Model::AddCommandLineOptions(options, m_ModelCommandLineOptions); |
| 195 | } |
| 196 | |
| 197 | virtual bool ProcessCommandLineOptions() override |
| 198 | { |
| 199 | if (!ValidateDirectory(m_DataDir)) |
| 200 | { |
| 201 | return false; |
| 202 | } |
| 203 | |
| 204 | m_Model = m_ConstructModel(m_ModelCommandLineOptions); |
| 205 | if (!m_Model) |
| 206 | { |
| 207 | return false; |
| 208 | } |
| 209 | |
| 210 | m_Database = std::make_unique<YoloDatabase>(m_DataDir.c_str()); |
| 211 | if (!m_Database) |
| 212 | { |
| 213 | return false; |
| 214 | } |
| 215 | |
| 216 | return true; |
| 217 | } |
| 218 | |
| 219 | virtual std::unique_ptr<IInferenceTestCase> GetTestCase(unsigned int testCaseId) override |
| 220 | { |
| 221 | std::unique_ptr<YoloTestCaseData> testCaseData = m_Database->GetTestCaseData(testCaseId); |
| 222 | if (!testCaseData) |
| 223 | { |
| 224 | return nullptr; |
| 225 | } |
| 226 | |
| 227 | return std::make_unique<YoloTestCase<Model>>(*m_Model, testCaseId, *testCaseData); |
| 228 | } |
| 229 | |
| 230 | private: |
| 231 | typename Model::CommandLineOptions m_ModelCommandLineOptions; |
| 232 | std::function<std::unique_ptr<Model>(typename Model::CommandLineOptions)> m_ConstructModel; |
| 233 | std::unique_ptr<Model> m_Model; |
| 234 | |
| 235 | std::string m_DataDir; |
| 236 | std::unique_ptr<YoloDatabase> m_Database; |
| 237 | }; |