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fix bug #3277 (findCirclesGrid failures):

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findHomagraphy can return empty Mat in master branch
This commit is contained in:
Vladislav Vinogradov 2013-09-24 14:45:13 +04:00
parent c8b97271cc
commit e675684c81
1 changed files with 3 additions and 0 deletions
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3
modules/calib3d/src/circlesgrid.cpp
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@ -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( corners ), Mat( dstPoints ) );
if (H.empty())
H = Mat::zeros(3, 3, CV_64FC1);
std::vector<Point2f> srcKeypoints;
for (size_t i = 0; i < keypoints.size(); i++)
{