c++ - opencv SIFT/SURF: output best match from one to many comparison -


im using matching many images sample opencv here's original version

im struggling understand code, i'm looking calculate , output image has most/best matches.

what thought use example

`if(querydescriptors.rows == traindescriptors.rows) { imshow(bestmatch, mat of trainimage); }`

but i'm unsure how acquire specific image vector of mat's?

thank you


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