ocl_knnMatch      778 modules/features2d/src/matchers.cpp                 if(ocl_knnMatch(_queryDescriptors, utrainDescCollection[0], matches, knn, normType, compactResult) )
ocl_knnMatch      786 modules/features2d/src/matchers.cpp                 if(ocl_knnMatch(_queryDescriptors, trainDescCollection[0], matches, knn, normType, compactResult) )