Open Source Computer Vision Library https://opencv.org/
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#include "test_precomp.hpp"
namespace opencv_test { namespace {
TEST(Features2D_ORB, _1996)
{
Ptr<FeatureDetector> fd = ORB::create(10000, 1.2f, 8, 31, 0, 2, ORB::HARRIS_SCORE, 31, 20);
Ptr<DescriptorExtractor> de = fd;
Mat image = imread(string(cvtest::TS::ptr()->get_data_path()) + "shared/lena.png");
ASSERT_FALSE(image.empty());
Mat roi(image.size(), CV_8UC1, Scalar(0));
Point poly[] = {Point(100, 20), Point(300, 50), Point(400, 200), Point(10, 500)};
fillConvexPoly(roi, poly, int(sizeof(poly) / sizeof(poly[0])), Scalar(255));
std::vector<KeyPoint> keypoints;
fd->detect(image, keypoints, roi);
Mat descriptors;
de->compute(image, keypoints, descriptors);
//image.setTo(Scalar(255,255,255), roi);
int roiViolations = 0;
for(std::vector<KeyPoint>::const_iterator kp = keypoints.begin(); kp != keypoints.end(); ++kp)
{
int x = cvRound(kp->pt.x);
int y = cvRound(kp->pt.y);
ASSERT_LE(0, x);
ASSERT_LE(0, y);
ASSERT_GT(image.cols, x);
ASSERT_GT(image.rows, y);
// if (!roi.at<uchar>(y,x))
// {
// roiViolations++;
// circle(image, kp->pt, 3, Scalar(0,0,255));
// }
}
// if(roiViolations)
// {
// imshow("img", image);
// waitKey();
// }
ASSERT_EQ(0, roiViolations);
}
TEST(Features2D_ORB, crash_5031)
{
cv::Mat image = cv::Mat::zeros(cv::Size(1920, 1080), CV_8UC3);
int nfeatures = 8000;
float orbScaleFactor = 1.2f;
int nlevels = 18;
int edgeThreshold = 4;
int firstLevel = 0;
int WTA_K = 2;
ORB::ScoreType scoreType = cv::ORB::HARRIS_SCORE;
int patchSize = 47;
int fastThreshold = 20;
Ptr<ORB> orb = cv::ORB::create(nfeatures, orbScaleFactor, nlevels, edgeThreshold, firstLevel, WTA_K, scoreType, patchSize, fastThreshold);
std::vector<cv::KeyPoint> keypoints;
cv::Mat descriptors;
cv::KeyPoint kp;
kp.pt.x = 443;
kp.pt.y = 5;
kp.size = 47;
kp.angle = 53.4580612f;
kp.response = 0.0000470733867f;
kp.octave = 0;
kp.class_id = -1;
keypoints.push_back(kp);
ASSERT_NO_THROW(orb->compute(image, keypoints, descriptors));
}
TEST(Features2D_ORB, regression_16197)
{
Mat img(Size(72, 72), CV_8UC1, Scalar::all(0));
Ptr<ORB> orbPtr = ORB::create();
orbPtr->setNLevels(5);
orbPtr->setFirstLevel(3);
orbPtr->setScaleFactor(1.8);
orbPtr->setPatchSize(8);
orbPtr->setEdgeThreshold(8);
std::vector<KeyPoint> kps;
Mat fv;
// exception in debug mode, crash in release
ASSERT_NO_THROW(orbPtr->detectAndCompute(img, noArray(), kps, fv));
}
}} // namespace