c++ - Pad array with last element -


i have matrix of mat object, have pad bigger mat object last elements of every rows , cols of original object around original array. in

this way tried padding zeros(i have change it).

 mat padded;  int padding = padsize;   padded.create(img.rows+padding,img.cols+padding,img.type());  padded.setto(cv::scalar::all(0));  img.copyto(padded(rect(padding,padding,img.rows,img.cols);

in last line see error :

no matching function call 'cv::mat::copyto(cv::mat)'


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