How do I match clusters within an image to find copy-move forgery

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I am trying to implement this paper on copy-move forgery in matlab. I have created clusters using selected keypoints. And now I need to identify the matching clusters and mark them with each other . But I could not find any understandable method to match the clusters. It would be helpful if someone could advice me on this. As an example, I extracted and marked clusters in the below image

Answers (1)

Image Analyst
Image Analyst on 9 Jun 2018
The Computer Vision System Toolbox has SURF, which is like SIFT. You'll just have to figure out how to implement the paper with the function. See

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