Lecture 9

• Lecture 9 Digital Watermarking .
• Outline .
• General Watermarking Procedures .
• Ownership Assertion .
• Fingerprinting .
• Other Applications .
• Other Applications .
• Other Applications .
• Taxonomy .
• Robustness Against These Modifications .
• Spatial Technique #1: m-sequences [van Schyndel , Tirkel , and Osborne \'9194 ] .
• Pros and Cons .
• Spatial Technique #2 [ Nikolaidis and Pitas \'9196] .
• Transform-Domain Techniques .
• Spread Spectrum .
• Example .
• More examples .
• DCT and JPEG .
• Watermarking with DCT .
• DCT-based Technique [Cox, Kilian , Leighton, and Shamoon97] .
• Cox et al. Procedure .
• Cox et al. cont'd .
• Cox et al. cont'd .
• Collusion Attack .
• Fourier Transform .
• Wavelets .
• Real Examples .
• Digimarc : http://www. digimarc .com/~ digimarc .
• Attacking Opportunities .
• Robustness Attacks .
• Robustness State of the Art for Images .
• Presentation Attack .
• Interpretation Attacks .
• Deadlock Attack .
• Craver et al. Deadlock Attack .
• Craver et al. Attack cont'd .
• Legal Attacks .
• Copyright Ownership Infrastructure [ Herrigel et al. 97] .
• Copyright Ownership Infrastructure .
• More Details .
• Deadlock Cannot Occur .
• Summary .
• Next lecture and readings .

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Heather L. Marko
Last Modified: November 1998