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On the Public Information Embedding Capacity Region Under Multiple Access Attacks
 

Summary: On the Public Information Embedding Capacity
Region Under Multiple Access Attacks
Yangfan Zhong, Yadong Wang, Fady Alajaji and Tam´as Linder

Dept. of Math. and Stat., Queen's University, Kingston, ON K7L 3N6, Canada

Bank of Montreal, 8th floor, 302 Bay St., Toronto, Canada
Email: {yangfan,fady,linder}@mast.queensu.ca
yadongwang@hotmail.com
Abstract-- We consider a public multi-user information embed-
ding (watermarking) system in which two messages (watermarks)
are independently embedded into two correlated covertexts and
are transmitted through a multiple-access attack channel. The
tradeoff between the achievable embedding rates and the average
distortions for the two embedders is studied. For given distortion
levels, inner and outer bounds for the embedding capacity region
are obtained in single-letter form. Tighter bounds are also given
for independent covertexts.
I. INTRODUCTION
In the last decade, the single-user (point-to-point)

  

Source: Alajaji, Fady - Department of Mathematics and Statistics, Queen's University (Kingston)
Linder, Tamás - Department of Mathematics and Statistics, Queen's University (Kingston)

 

Collections: Engineering