retainBest        124 modules/features2d/include/opencv2/features2d.hpp     static void retainBest( std::vector<KeyPoint>& keypoints, int npoints );
retainBest        837 modules/features2d/src/orb.cpp         KeyPointsFilter::retainBest(keypoints, scoreType == ORB_Impl::HARRIS_SCORE ? 2 * featuresNum : featuresNum);
retainBest        897 modules/features2d/src/orb.cpp             KeyPointsFilter::retainBest(keypoints, featuresNum);