MATLAB: Error in imabsdiff of two images

error in imabsdiff

I want to do the operation on two images.I have total 4 images ..first I want to use image 1 and image 2 and then image 3 and image 4. I am getting error in imabsdiff. I need your help.
My code is:
 imgFiles=dir('*.jpg');
numFiles=length(imgFiles);
for n=1:numFiles
img=imgFiles(n).name;
compareimg=imgFiles(n+1).name;
P=imabsdiff(img,compareimg);
figure
imshow(P,[]);
end

Best Answer

You are trying to take the image difference between file names. You need to read in the files and compare the contents.
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