Limit capacity of non-stochastic steganographic systems and Hausdorff dimension

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• Ryabko, D. (INRIA, Lille, France)
• Thursday 05 July 2012, 17:00-17:30
• Seminar Room 1, Newton Institute.

If you have a question about this talk, please contact Mustapha Amrani.

Semantics and Syntax: A Legacy of Alan Turing

It was shown recently that the limit capacity of perfect steganography systems for i.i.d. and Markov sources equals the Shannon entropy of the ``cover’’ process. Here we address the problem of limit capacity of general perfect steganographic systems. We show that this value asymptotically equals the Hausdorff dimension of the set of possible cover messages.

This talk is part of the Isaac Newton Institute Seminar Series series.

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