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Detecting Photographic Composites of Famous People
Eric Kee, Hany Farid
Dartmouth TR2009-656

Abstract: Photos are commonly falsified by compositing two or more people into a single image. We describe how such composites can be detected by estimating a camera's intrinsic parameters. Differences in these parameters across the image are then used as evidence of tampering. Expanding on earlier work, this approach is more applicable to low-resolution images, but requires a reference image of each person in the photo as they are directly facing the camera. When considering composites of famous people, such a reference photo is easily obtained from an on-line image search.


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   Eric Kee and Hany Farid, "Detecting Photographic Composites of Famous People." Dartmouth Computer Science Technical Report TR2009-656, October 2010.


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