java - openCV: reading submat while sliding over bigger Mat -


i want read fixed-size-submat bigger mat while sliding on bigger 1 pixel pixel (or maybe 5 pixel 5 pixel or somtheing that, hope idea).

is there predefined function in opencv, if 1 it?

(besides using java opencv 2.4.5..) have idea how write myself in java using mat.submat(a,b,c,d), thought underlying c++ dll implementation lot faster.

is want?

cv::mat i; // large mat cv::rect win; // sub mat win.width = 5; win.height = 5; for(size_t i=0;i<i.rows-5;++i)   for(size_t j=0;j<i.cols-5;++j)   {     win.x = i;     win.y = j;     i(win) //<- submat   }

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