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cs.CR2006
Provably Secure Universal Steganographic Systems
Boris Ryabko, Daniil Ryabko
We propose a simple universal (that is, distribution--free) steganographic system in which covertexts with and without hidden texts are statistically indistinguishable. The stegosy…
cs.LG2006★ 1 cited
On Sequence Prediction for Arbitrary Measures
Daniil Ryabko, Marcus Hutter
Suppose we are given two probability measures on the set of one-way infinite finite-alphabet sequences and consider the question when one of the measures predicts the other, that i…
cs.LG2006
Asymptotic Learnability of Reinforcement Problems with Arbitrary Dependence
Daniil Ryabko, Marcus Hutter
We address the problem of reinforcement learning in which observations may exhibit an arbitrary form of stochastic dependence on past observations and actions. The task for an agen…