findGrid         1965 modules/calib3d/src/calibinit.cpp       circlesGridClusterFinder.findGrid(points, patternSize, centers);
findGrid           65 modules/calib3d/src/circlesgrid.hpp   void findGrid(const std::vector<cv::Point2f> &points, cv::Size patternSize, std::vector<cv::Point2f>& centers);