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Commit e675684c authored by Vladislav Vinogradov's avatar Vladislav Vinogradov
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fix bug #3277 (findCirclesGrid failures): 

findHomagraphy can return empty Mat in master branch
parent c8b97271
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modules/calib3d/src/circlesgrid.cpp
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...@@ -836,6 +836,9 @@ Mat CirclesGridFinder::rectifyGrid(Size detectedGridSize, const std::vector<Poin ...@@ -836,6 +836,9 @@ Mat CirclesGridFinder::rectifyGrid(Size detectedGridSize, const std::vector<Poin
Mat H = findHomography(Mat(centers), Mat(dstPoints), RANSAC); Mat H = findHomography(Mat(centers), Mat(dstPoints), RANSAC);
//Mat H = findHomography( Mat( corners ), Mat( dstPoints ) ); //Mat H = findHomography( Mat( corners ), Mat( dstPoints ) );
if (H.empty())
H = Mat::zeros(3, 3, CV_64FC1);
std::vector<Point2f> srcKeypoints; std::vector<Point2f> srcKeypoints;
for (size_t i = 0; i < keypoints.size(); i++) for (size_t i = 0; i < keypoints.size(); i++)
{ {
......
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