CS691 presentation: Digital image watermarking

August 3, 1999

Abstract

A brief introduction to image watermarking for copyright protection. After identifying the aims and requirements, a watermarking scheme is discussed to demonstrate applications and problems of this novel technology.

Pointers

Visible watermarking: Do it yourself http://webdesign.miningco.com/library/weekly/aa060997.htm
Vatican Library http://www.research.ibm.com/journal/rd/mintz/mintzer.html
Attack: StirMark http://www.cl.cam.ac.uk/~fapp2/watermarking/stirmark
Stirmark: What's going on http://www.cl.cam.ac.uk/~fapp2/watermarking/stirmark/samples2.html
Attack: UnZign http://www.altern.com/watermark/
Unzign samples http://www.altern.com/watermark/pictures.html
Image authentication: Hillary or Monica? http://www.ctr.columbia.edu/~cylin/auth/auth.html
Hacking Digimarc http://www.phase-one.com.au/fravia/frogdigi.htm
Watermarking & Playboy http://www.altern.com/watermark/playboy.html (contains nudity)
Commercial products http://www.cl.cam.ac.uk/~fapp2/watermarking/products.html

The foils used for presentation are available in Acrobat (.pdf, zipped) and Postscript (.ps.gz, gzipped) format.

Peter Meerwald, pmeerw@cosy.sbg.ac.at