Matlab code for matching two images

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!!

[David Young]

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"?

Answer 1

[Image Analyst]

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.

Answer 2

[Mangesh]

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.

Answer 3

[Chandrika yadav]

matches = A == B;

percentMatch = 100 * sum(matches(:)) / numel(matches);

[Image Analyst]

Yes, this is exactly my answer. Are you having trouble with it?