Digital Image Forensics

H. Farid

Scientific American, 298(6):66-71, 2008

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History is riddled with the remnants of photographic tampering. Stalin, Mao, Hitler, Mussolini, Castro and Brezhnev each had photographs manipulated — from creating more heroic-looking poses to erasing enemies or bottles of beer. In Stalin’s day, such phony images required long hours of cumbersome work in a darkroom, but today anyone with a computer can readily produce fakes that can be very hard to detect.