John Richardson | 684cb0f | 2018-01-09 11:17:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018 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 | #ifndef ARM_COMPUTE_TEST_HOG_DETECTOR_FIXTURE |
| 25 | #define ARM_COMPUTE_TEST_HOG_DETECTOR_FIXTURE |
| 26 | |
| 27 | #include "arm_compute/core/HOGInfo.h" |
| 28 | #include "arm_compute/core/Types.h" |
| 29 | #include "tests/AssetsLibrary.h" |
| 30 | #include "tests/Globals.h" |
| 31 | #include "tests/IAccessor.h" |
| 32 | #include "tests/IHOGAccessor.h" |
| 33 | #include "tests/framework/Asserts.h" |
| 34 | #include "tests/framework/Fixture.h" |
| 35 | #include "tests/validation/fixtures/HOGDescriptorFixture.h" |
| 36 | #include "tests/validation/reference/HOGDetector.h" |
| 37 | |
| 38 | namespace arm_compute |
| 39 | { |
| 40 | namespace test |
| 41 | { |
| 42 | namespace validation |
| 43 | { |
| 44 | template <typename TensorType, |
| 45 | typename HOGType, |
| 46 | typename DetectionWindowArrayType, |
| 47 | typename HOGDescriptorType, |
| 48 | typename AccessorType, |
| 49 | typename ArrayAccessorType, |
| 50 | typename HOGAccessorType, |
| 51 | typename HOGDetectorType, |
| 52 | typename T, |
| 53 | typename U> |
| 54 | class HOGDetectorValidationFixture : public HOGDescriptorValidationFixture<TensorType, HOGType, AccessorType, HOGDescriptorType, T, U> |
| 55 | { |
| 56 | public: |
| 57 | template <typename...> |
| 58 | void setup(Size2D detection_window_stride, std::string image, HOGInfo hog_info, Format format, BorderMode border_mode) |
| 59 | { |
| 60 | using HDF = HOGDescriptorValidationFixture<TensorType, HOGType, AccessorType, HOGDescriptorType, T, U>; |
| 61 | HDF::setup(image, hog_info, format, border_mode); |
| 62 | |
| 63 | const unsigned int max_num_detection_windows = 100000; |
| 64 | |
| 65 | // Initialise descriptor (linear SVM coefficients). |
| 66 | // NOTE: Fixed values are used to keep the number of detection windows detected |
| 67 | // consistent in order to have meaningful validation tolerances. |
| 68 | // The values are "unbalanced" to reduce the number of detected objects |
| 69 | std::random_device::result_type seed = 0; |
| 70 | std::vector<U> descriptor = generate_random_real(hog_info.descriptor_size(), -0.505f, 0.495f, seed); |
| 71 | |
| 72 | // Compute target and reference values using feature vector from descriptor kernel |
| 73 | _target = compute_target(HDF::_target, descriptor, max_num_detection_windows, hog_info, detection_window_stride); |
| 74 | _reference = compute_reference(HDF::_reference, descriptor, max_num_detection_windows, hog_info, detection_window_stride); |
| 75 | } |
| 76 | |
| 77 | protected: |
| 78 | std::vector<DetectionWindow> compute_target(const TensorType &src, const std::vector<U> &descriptor, unsigned int max_num_detection_windows, |
| 79 | const HOGInfo &hog_info, const Size2D &detection_window_stride) |
| 80 | { |
| 81 | // Create HOG |
| 82 | HOGType hog = create_HOG<HOGType>(hog_info); |
| 83 | |
| 84 | // Create array of detection windows |
| 85 | DetectionWindowArrayType detection_windows(max_num_detection_windows); |
| 86 | |
| 87 | // Copy HOG descriptor values to HOG memory |
| 88 | { |
| 89 | HOGAccessorType hog_accessor(hog); |
| 90 | std::memcpy(hog_accessor.descriptor(), descriptor.data(), descriptor.size() * sizeof(U)); |
| 91 | } |
| 92 | |
| 93 | // Create and configure function |
| 94 | HOGDetectorType hog_detector; |
| 95 | hog_detector.configure(&src, &hog, &detection_windows, detection_window_stride); |
| 96 | |
| 97 | // Reset detection windows |
| 98 | detection_windows.clear(); |
| 99 | |
| 100 | // Compute function |
| 101 | hog_detector.run(); |
| 102 | |
| 103 | // Create array of detection windows |
| 104 | std::vector<DetectionWindow> windows; |
| 105 | |
| 106 | // Copy detection windows |
| 107 | ArrayAccessorType accessor(detection_windows); |
| 108 | |
| 109 | for(size_t i = 0; i < accessor.num_values(); i++) |
| 110 | { |
| 111 | DetectionWindow win; |
| 112 | win.x = accessor.at(i).x; |
| 113 | win.y = accessor.at(i).y; |
| 114 | win.width = accessor.at(i).width; |
| 115 | win.height = accessor.at(i).height; |
| 116 | win.idx_class = accessor.at(i).idx_class; |
| 117 | win.score = accessor.at(i).score; |
| 118 | |
| 119 | windows.push_back(win); |
| 120 | } |
| 121 | |
| 122 | return windows; |
| 123 | } |
| 124 | |
| 125 | std::vector<DetectionWindow> compute_reference(const SimpleTensor<U> &src, const std::vector<U> &descriptor, unsigned int max_num_detection_windows, |
| 126 | const HOGInfo &hog_info, const Size2D &detection_window_stride) |
| 127 | { |
| 128 | // Assumes defaults value of zero for threshold and class_idx. |
| 129 | return reference::hog_detector(src, descriptor, max_num_detection_windows, hog_info, detection_window_stride); |
| 130 | } |
| 131 | |
| 132 | std::vector<DetectionWindow> _target{}; |
| 133 | std::vector<DetectionWindow> _reference{}; |
| 134 | }; |
| 135 | } // namespace validation |
| 136 | } // namespace test |
| 137 | } // namespace arm_compute |
| 138 | #endif /* ARM_COMPUTE_TEST_HOG_DETECTOR_FIXTURE */ |