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How can i find the length of the horizontal and vertical line present only in the white pixel region for the attached binary image.

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sumaiya khan
sumaiya khan 2018-12-10
回答： Saeid 2018-12-11
isntvhN-2-R.jpg

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KSSV
KSSV 2018-12-11
I = imread('download.jpg') ;
imshow(I) ;
h = imdistline ;

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Saeid
Saeid 2018-12-11
Hi, If the blue cross is not in the initial image, you can easily use this:
imgbw=im2bw(img);
VerticalLength=sum(img(:,column));
HorizontalLength=sum(img(row,:));
where img is your original image and row and column are from the center of the cross.

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