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Stalin, Mao, Hitler, Mussolini, and other dictators routinely doctored photographs so that the images aligned with their messages. They erased people who were there, added people who were not, and manipulated backgrounds. They knew if they changed the visual record, they could change history. Once, altering images required hours in the darkroom; today, it can be done with a keyboard and mouse. Because photographs are so easily faked, fake photos are everywhere—supermarket tabloids, fashion magazines, political ads, and social media. How can we tell if an image is real or false? In this volume in the MIT Press Essential Knowledge series, Hany Farid offers a concise and accessible guide to techniques for detecting doctored and fake images in photographs and digital media.
Farid, an expert in photo forensics, has spent two decades developing techniques for authenticating digital images. These techniques model the entire image-creation process in order to find the digital disruption introduced by manipulation of the image. Each section of the book describes a different technique for analyzing an image, beginning with those requiring minimal technical expertise and advancing to those at intermediate and higher levels. Farid explains when each technique should be applied and offers examples of image analysis.
Farid, an expert in photo forensics, has spent two decades developing techniques for authenticating digital images. These techniques model the entire image-creation process in order to find the digital disruption introduced by manipulation of the image. Each section of the book describes a different technique for analyzing an image, beginning with those requiring minimal technical expertise and advancing to those at intermediate and higher levels. Farid explains when each technique should be applied and offers examples of image analysis.
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作者简介
Hany Farid is Professor in the School of Information and the School of Computer Science and Electrical Engineering at the University of California, Berkeley. He is the author of Photo Forensics.
Steve Menasche is a conservatory-trained actor, musician, and martial artist who has toured the world with West Side Story, Jesus Christ Superstar, and the American Folk Theatre. As a voice actor, he has completed over 250 audiobooks and has been featured in national radio and television campaigns.
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