Very interesting. Film might be the best solution for nefarious types :-)
Thanks for posting it. Dave S On 4/23/06, Juan Buhler <[EMAIL PROTECTED]> wrote: > This is interesting. From the article linked below: > > Every original digital picture is overlaid by a weak noise-like > pattern of pixel-to-pixel non-uniformity. Although these patterns are > invisible to the human eye, the unique reference pattern or > "fingerprint" of any camera can be electronically extracted by > analyzing a number of images taken by a single camera. Fridrich's lab > analyzed 2,700 pictures taken by nine digital cameras and with 100 > percent accuracy linked individual images with the camera that took > them. > > http://www.eurekalert.org/pub_releases/2006-04/bu-bur041806.php > > j > > -- > Juan Buhler > Water Molotov: http://photoblog.jbuhler.com > Slippery Slope: http://color.jbuhler.com > >
