#include "../nms.inl.hpp"

#include <nms.inl.hpp>

#include "test_precomp.hpp"

namespace cvtest

{

TEST(NMS, Accuracy)

{

//reference results obtained using tf.image.non_max_suppression with iou_threshold=0.5

std::string dataPath = findDataFile("dnn/nms_reference.yml");

FileStorage fs(dataPath, FileStorage::READ);

std::vector<Rect> bboxes;

std::vector<float> scores;

std::vector<int> ref_indices;

fs["boxes"] >> bboxes;

fs["probs"] >> scores;

fs["output"] >> ref_indices;

const float nms_thresh = .5f;

const float score_thresh = .01f;

std::vector<int> indices;

cv::dnn::NMSBoxes(bboxes, scores, score_thresh, nms_thresh, indices);

ASSERT_EQ(ref_indices.size(), indices.size());

std::sort(indices.begin(), indices.end());

std::sort(ref_indices.begin(), ref_indices.end());

for(size_t i = 0; i < indices.size(); i++)

ASSERT_EQ(indices[i], ref_indices[i]);

}

}//cvtest