How to label image regions based on the number of black pixels in a cell of a grid?

Mat29
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How to label image regions based on the number of black pixels in a cell of a grid put on it?

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 cnt_black = (r2-r1)*(c2-c2) - cv::countNonZero(sourceImage.rows(r1,r2).cols(c1,c2))

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Asked: 2015-06-10 15:23:55 -0600

Seen: 198 times

Last updated: Jun 11 '15