OpenCV DescriptorMatcher function of read write methods -


the opencv descriptormatcher has 2 methods read / write , think not totally clear do. need save trained flannbasedmatcher such don't need train every time program starts. methods read / write seems config matcher. correct? if how store trained matcher?

best

the write , read methods of flann save/read search , index parameters not learned index. flannbasedmatcher class has member object flannindex has save function. need save , load learned index , that's needed nn algorithm match feature descriptors. see index::load , index::save in /opencv/modules/flann/src/miniflann.cpp.


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