BOWTrainer       1147 modules/features2d/include/opencv2/features2d.hpp class CV_EXPORTS_W BOWTrainer
BOWTrainer         47 modules/features2d/src/bagofwords.cpp BOWTrainer::BOWTrainer() : size(0)
BOWTrainer         50 modules/features2d/src/bagofwords.cpp BOWTrainer::~BOWTrainer()