An interesting article for the photographers by Hany Farid, Professor of Computer Science at Dartmouth College, New Hampshire, USA.
- Photography lost its innocence many years ago. In as early as the 1860s, photographs were already being manipulated, only a few decades after Niepce created the first photograph in 1814. With the advent of high-resolution digital cameras, powerful personal computers and sophisticated photo-editing software, the manipulation of digital images is becoming more common. Here, I have collected some examples of tampering throughout history.
- Just days after Sarah Palin’s selection last August as the Republican Vice Presidential candidate, a photo of a bikini-clad, gun-toting Palin blitzed across the Internet. Almost as quickly, it was revealed as a hoax — a crude bit of Photoshop manipulation created by splicing an image of the Alaska governor’s head onto someone else’s body. From start to finish, the doctoring probably took no more than 15 minutes. We review the impact of digital photo manipulation, and recent advances in digital image forensics to detect such manipulations. more........
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