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Product perfect codes have been proven to enhance the performance of the F5steganographic method, whereas perfect Z2Z4-linear codes have been recentlyintroduced as an efficient way to embed data, conforming to the+/-1-steganography. In this paper, we present two steganographic methods. Onthe one hand, a generalization of product perfect codes is made. On the otherhand, this generalization is applied to perfect Z2Z4-linear codes. Finally, theperformance of the proposed methods is evaluated and compared with those of theaforementioned schemes.

Product Perfect Z2Z4-linear codes in Steganography