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http://hdl.handle.net/10609/8863
Títol: | Z2Z4-Additive Perdect Codes in Steganography |
Autoria: | Rifà-Pous, Helena Ronquillo, Lorena Rifà Coma, Josep |
Citació: | Rifà, H.;Rifà, J.; Ronquillo, L.(2011). "Z2Z4-Additive Perdect Codes in Steganography". ADVANCES IN MATHEMATICS OF COMMUNICATIONS, 3(5), p.(425-433). |
Resum: | Steganography is an information hiding application which aims to hide secret data imperceptibly into a cover object. In this paper, we describe a novel coding method based on Z2Z4-additive codes in which data is embedded by distorting each cover symbol by one unit at most (+-1-steganography). This method is optimal and solves the problem encountered by the most e cient methods known today, concerning the treatment of boundary values. The performance of this new technique is compared with that of the mentioned methods and with the well-known rate-distortion upper bound to conclude that a higher payload can be obtained for a given distortion by using the proposed method. |
Paraules clau: | codis ocultació d'informació |
Tipus de document: | info:eu-repo/semantics/article |
Data de publicació: | 1-ago-2011 |
Llicència de publicació: | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
Apareix a les col·leccions: | Articles cientÍfics Articles |
Arxius per aquest ítem:
Arxiu | Descripció | Mida | Format | |
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RifaPous_AMC2011_Z2Z4.pdf | 166,97 kB | Adobe PDF | Veure/Obrir |
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