Detecting Photographic Composites of People

  • Authors:
  • Micah K. Johnson;Hany Farid

  • Affiliations:
  • Dartmouth College, Hanover, USA NH 03755;Dartmouth College, Hanover, USA NH 03755

  • Venue:
  • IWDW '07 Proceedings of the 6th International Workshop on Digital Watermarking
  • Year:
  • 2008

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Abstract

The compositing of two or more people into a single image is a common form of manipulation. We describe how such composites can be detected by estimating a camera's intrinsic parameters from the image of a person's eyes. Differences in these parameters across the image are used as evidence of tampering.