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Using of Polar codes in steganography

In this paper, we propose a new steganographic scheme based on the polar codes. The scheme works according to two steps. The first offers a stego vector from given cover vector and message. The stego vector provided by the first method can be the optimal; in this case, the insertion is successful with a very low complexity. Otherwise, we formalize our problem in a linear program form with initial solution the stego vector given by the first method, to converge to the optimal solution. Our scheme works with the case of a constant profile as well with any profile; it is then adapted to the case of wet paper. Tests on multiple gray scale images showed its good performance in terms of minimizing the embedding impact.


Auteur(s) : I DIOP, B. DIOUF, S .M FARSSI, K. TALL, P.A. FALL, A. K. DIOP, K. SYLLA
Pages : 262- 266
Année de publication : 2013
Revue : 2nd International Conference on Advances in Computer Science and Engineering (CSE 2013)
Type : Article
Mise en ligne par : TALL Khaly