Product Perfect Z2Z4-linear codes in Steganography

Details Product Perfect Z2Z4-linear codes in Steganography Product Perfect Z2Z4-linear codes in Steganography

2010-03-25

arxiv.org/abs/1003.4852v1

Computer Science

Information Theory

6 pages, 2 figures, submitted to the 2010 International Symposium on Information Theory and Its Applications (ISITA2010)

Scientific paper

Product perfect codes have been proven to enhance the performance of the F5 steganographic method, whereas perfect Z2Z4-linear codes have been recently introduced as an efficient way to embed data, conforming to the +/-1-steganography. In this paper, we present two steganographic methods. On the one hand, a generalization of product perfect codes is made. On the other hand, this generalization is applied to perfect Z2Z4-linear codes. Finally, the performance of the proposed methods is evaluated and compared with those of the aforementioned schemes.

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