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Meeting Number:   6

September 18, 2006


Information Hiding


Dr. Phillip A. Regalia
Dept. of Electrical Engineering and Computer Science
Catholic University of America
Washington DC, 20064


Monday, September 18, 2006


5:45 PM:   Snacks
6:00 PM:   Talk begins


Historical Electronics Museum (HEM)
1745 W. Nursery Road, Linthicum, MD 21090

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Please respond to if you are planning to attend this meeting. Also, let me know if you will be joining us afterwards at Ruby Tuesdays for dinner so I can make reservations. Again, only the speaker’s dinner is paid for. The rest of us need to pay our own way.


Information hiding is a more recent viewpoint of watermarking, which exploits information theory to deduce fundamental limits on how much information can be hidden in a cover signal, subject to distortion constraints from embedding, and resilience due to signal degradation. Applications range from copyright protection, fingerprinting, embedding confidential patient information in medical images, and other areas of stenography. This talk presents a tutorial overview of recent results in information hiding stemming from an information theoretic viewpoint, along with coding techniques which are adapted to information hiding, including dirty paper coding and nested lattice codes. Gaps between theoretically achievable embedding capacity and practical attainable methods are emphasized, and relations to cryptography as well as high-capacity multi-user communications are likewise reviewed.

Click on the following link for the presentation.

      Information Hiding


Phil Regalia received his PhD from the University of California, Santa Barbara in 1988. He spend many years working in France at the National Institute of Telecommunications near Paris, and has had sabbatical stays with the Delft University of Technology (in the Netherlands) and the Army Research lab in Adelphi, MD. He was elected IEEE Fellow in 2000 for contributions to adaptive filtering, and has been active in Signal Processing for communications in recent years. He is the founding Editor-in-Chief of the EURASIP J. Wireless Communications and Networking, and serves as an Associate Editor with the IEEE Trans. Signal Processing, the Int. Journal of Adaptive Control and Signal Processing, and the EURASIP J. Applied Signal Processing.

Dr. Regalia returned to the US two years ago, and is presently stationed with CUA in Washington, DC.

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