New Technique For Making JPEG Images Copy-Evident 139
Gunkerty Jeb writes "The days of wondering whether those drunken sex party photos are indeed the Olsen Twins, or if they are just the Mary-Kate and Ashley's faces photo-shopped on the bodies of Lindsay Lohan and Amy Winehouse are OVER! A group of academic researchers at the University of Cambridge has developed a new technique for making JPEG images copy-evident, so that users can tell whether an image has been recompressed and copied."
Image protected, but is it useful? (Score:5, Interesting)
If the image can't be re-encoded or re-scaled without the watermark becoming visible, then it probably can't be resized for viewing either. So the only images can can really make use of this 'tech' are the ones that are already shrunk to their smallest desirable viewing size. I'm not sure how much use this will really have.