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The union of 2 images

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John Snow
John Snow 2013-10-28
评论： John Snow 2013-10-28
Let's say I have an image called A and another constant image of the same size how do I get the set union of those 2 images : the union should be of the same size as image A
Note: when I use union function it gives me an error (A and B must be vectors or 'rows' must be specified.)

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采纳的回答

Matt J
Matt J 2013-10-28
编辑：Matt J 2013-10-28
the union should be of the same size as image A
Then you have an unconventional definition of a "union". There's no reason they should be the same size. Possibly you want to do a pixel-wise or() operation?
Union = A|B
Otherwise please clarify.
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John Snow
John Snow 2013-10-28
Thank you very much this works good

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更多回答（1 个）

Image Analyst
Image Analyst 2013-10-28
Maybe you mean something like this:
% Find dark pixels.
binaryImage = skeletonImage < 50; % Or whatever intensity you want.
% Replace dark pixels with pixels from image B.
C_Image = skeletonImage; % Initialize
C_Image(binaryImage) = B_Image(binaryImage); % Replace.
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John Snow
John Snow 2013-10-28
This works ok but i think the "C=max(A,0.5);" command is easier from the other anser is easier but thank you very much for your answer

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