How do you compare the two images using MATLAB program

Question

Jasmine collar 2016-2-16

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编辑： Walter Roberson 2020-1-23

How do you compare the two images using MATLAB program I am on my project retrieve images and you write code comparison between images using correlation, but there is a problem in the code does not give me incorrect results for comparison please help

count=0;
t=0;
x=imread('D:\Image Retrieval\2.bmp');
a=rgb2gray(x);
srcFiles = dir('D:\Image Retrieval\*.bmp');  % the folder in which ur images exists
for i = 1 : length(srcFiles)
  filename = strcat('D:\Image Retrieval\',srcFiles(i).name);
  k = imread(filename);
  count=count+1;
  b=rgb2gray(k);
  c=corr2(a,b);
  if c==1
      imwrite(k,'C:\Users\saba\Desktop\images\image1.jpg');
      t=t+1;
  else 
      disp('tow image are not simalr');
  end
end

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Jasmine collar 2016-2-19

I am working on image retrieval system and use the correlation way in the comparison process But when you compare the results must be 100% identical images to know that the twosimaged are similar

Explorer 2016-2-19

编辑：Explorer 2016-2-19

Are you taking same two images as input? If you are doing so, your statement make sense.

You have asked same question here http://www.mathworks.com/matlabcentral/answers/268393-how-do-you-compare-the-two-images-using-matlab-program

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Answer 1

Nitin Mishra 2020-1-23

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https://ww2.mathworks.cn/matlabcentral/answers/268394-how-do-you-compare-the-two-images-using-matlab-program#answer_411566

编辑：Walter Roberson 2020-1-23

I am too working on same project where 5 images of group photos would be given and I need to find out the a person in the image which the user will ask for using a different single image of that particular person.... is there any way then please help me out...