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June 23, 2008
5 Ways to Spot a Fake Photo
by Hany Farid
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| "For the image above, the light-source direction for the police does not match that for the ducks (arrows). We would have to analyze other items to be sure it was the ducks that were added." |
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"Lighting Composite images made of pieces from different photographs can display subtle differences in the lighting conditions under which each person or object was originally photographed. Such discrepancies will often go unnoticed by the naked eye."
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