i have a binary image , in that i used roifilt2 to filter ROI , i need to calculate the black pixels in the filtered region?

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priya
priya le 25 Avr 2014
in one binary image i have to select different regions and count the black pixels in that particular region. i have applied roifilt2 to filter the specific region of interest.now i need to calculate the black pixels in each region separatelyw should i calculate?

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