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Mathematics and Engineering Communications Laboratory
 

Summary: Mathematics and Engineering
Communications Laboratory
Technical Report
Inner and Outer Bounds for the Public Information
Embedding Capacity Region Under Multiple Access Attacks
Y. Zhong, Y. Wang, F. Alajaji, and T. Linder
March 2010
1
Inner and Outer Bounds for the Public Information Embedding
Capacity Region Under Multiple Access Attacks
Yangfan Zhong Yadong Wang Fady Alajaji Tam´as Linder
March 5, 2010
Abstract
We consider a public multi-user information embedding (watermarking) system in which two mes-
sages (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.
Index Terms: Capacity region, correlated covertexts, multiple access attack, multi-user information embed-

  

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