%T Detecting Photographic Composites of Famous People
%A Eric Kee
%A Hany Farid
%R Technical Report TR2009-656
%I Dartmouth College, Computer Science
%C Hanover, NH
%D October 2010
%U http://www.cs.dartmouth.edu/reports/TR2009-656.pdf
%X
 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.