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Added a fast algorithm for the symmetric circles grid detection

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This commit is contained in:
Ilya Lysenkov
2011-05-06 09:40:18 +00:00
parent 58b7c344aa
commit dde9181117
3 changed files with 86 additions and 37 deletions
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8
modules/calib3d/src/calibinit.cpp
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@@ -1929,6 +1929,10 @@ void cv::drawChessboardCorners( InputOutputArray _image, Size patternSize,
bool cv::findCirclesGrid( const InputArray& _image, Size patternSize,
OutputArray _centers, int flags )
{
bool isAsymmetricGrid = (flags & CALIB_CB_ASYMMETRIC_GRID);
bool isSymmetricGrid = (flags & CALIB_CB_SYMMETRIC_GRID);
CV_Assert(isAsymmetricGrid ^ isSymmetricGrid);
Mat image = _image.getMat();
vector<Point2f> centers;
SimpleBlobDetector::Params params;
@@ -1947,9 +1951,9 @@ bool cv::findCirclesGrid( const InputArray& _image, Size patternSize,
points.push_back (keypoints[i].pt);
}
if((flags & CALIB_CB_CLUSTERING) && (flags & CALIB_CB_ASYMMETRIC_GRID))
if(flags & CALIB_CB_CLUSTERING)
{
CirclesGridClusterFinder circlesGridClusterFinder;
CirclesGridClusterFinder circlesGridClusterFinder(isAsymmetricGrid);
circlesGridClusterFinder.findGrid(points, patternSize, centers);
Mat(centers).copyTo(_centers);
return !centers.empty();