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Matlab code for matching two images

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Karan Ratnaparkhi
Karan Ratnaparkhi 2011-4-24
评论： Image Analyst 2019-11-15
Hey guys I need a matlab code to check if two images are matching or not? I tried correlation but it is nt working. Please help me with the code or tell me if there is any such kind function in matlab!!
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David Young
David Young 2011-4-24
When do two images match? Do they have to be identical, or can there be some differences? In what way does correlation not work - do you get an error message, or is it that you are defining "matching" to mean something other than "highly correlated"?

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回答（3 个）

Image Analyst
Image Analyst 2014-8-21
编辑：Image Analyst 2014-8-21
matches = A == B;
percentMatch = 100 * sum(matches(:)) / numel(matches);
This is for grayscale images. If it's a color image, the formula needs to be modified slightly.
Mangesh
Mangesh 2014-8-21
the question states that, if i have images i.e A and B,and if i convert these two images in matrix form, then the matrix will match or not? if matches, then ok. if not then in what percent A matches with B????? I have the same que.
Chandrika yadav
Chandrika yadav 2019-11-15
matches = A == B;
percentMatch = 100 * sum(matches(:)) / numel(matches);

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