Archived posting to the Leica Users Group, 2011/01/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Nice article, Greg. It says it looks for any sign of Photoshop, but I wonder what it does with RAW photos? If you open the raw and do no adjustments at all, and then save it as TIFF or JPEG, will this algorithm show it as a doctored shot? Aram > From: Greg Rubenstein <gcr910 at gmail.com> > Subject: [Leica] Digital Photography Authentication > To: lug at leica-users.org > Message-ID: > <AANLkTi=zd5qx0UnMUnuE5v+npC6rJJtr+gnwj=qMHMoG at mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Group: > > A short, interesting article from Businessweek about a forensic > imaging specialist who developed a way to tell whether a digital > photograph is authentic. Also has been applied to traditional > photographs, including authentication of a controversial shot of Lee > Harvey Oswald. This is a straightforward article in lay language. > > http://tinyurl.com/29m95am > > If you're interested in learning more, do a search for the fellow, > Hany Farid. Lots of info about him and the technical work he has done, > as well as papers he has published. > > Greg Rubenstein >