Merge pull request #8458 from grundman:patch-2

8 years ago · a2af1d4f71
parent c839a2ccb1 de52887c49
commit a2af1d4f71
1 changed files with 4 additions and 0 deletions
--- a/modules/calib3d/src/circlesgrid.cpp
+++ b/modules/calib3d/src/circlesgrid.cpp
@ -839,7 +839,11 @@ Mat CirclesGridFinder::rectifyGrid(Size detectedGridSize, const std::vector<Poin
  //Mat H = findHomography( Mat( corners ), Mat( dstPoints ) );

  if (H.empty())
+  {
      H = Mat::zeros(3, 3, CV_64FC1);
+      warpedKeypoints.clear();
+      return H;
+  }

  std::vector<Point2f> srcKeypoints;
  for (size_t i = 0; i < keypoints.size(); i++)