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Horizontal and vertical projection of an image

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Karan Ratnaparkhi
Hi guys I want to project a binary black n white image in horizontal n vertical direction n den concatenate them plz help me with the matlab code.
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bym
bym 2011-4-3
what do you mean by project in the horizontal & vertical direction and then concatenate?

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Jan
Jan 2011-4-3
The question is not clear. Perhaps this helps:
img = rand(100, 100) < 0.1;
h_projection = any(img, 2);
v_projection = any(img, 1);
cat_projection = cat(1, h_projection, v_projection(:));
Using SUM instead of ANY might be an option also.

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