knnMatchImpl      942 modules/features2d/include/opencv2/features2d.hpp     virtual void knnMatchImpl( InputArray queryDescriptors, std::vector<std::vector<DMatch> >& matches, int k,
knnMatchImpl      987 modules/features2d/include/opencv2/features2d.hpp     virtual void knnMatchImpl( InputArray queryDescriptors, std::vector<std::vector<DMatch> >& matches, int k,
knnMatchImpl     1027 modules/features2d/include/opencv2/features2d.hpp     virtual void knnMatchImpl( InputArray queryDescriptors, std::vector<std::vector<DMatch> >& matches, int k,
knnMatchImpl      630 modules/features2d/src/matchers.cpp     knnMatchImpl( queryDescriptors, matches, knn, masks, compactResult );