Technical Points About Adaptive Steganography by Oracle (ASO)

Sarra Kouider 1 Marc Chaumont 2 William Puech 2
2 ICAR - Image & Interaction
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : ASO [1] is an adaptive embedding scheme that has proved its efficiency compared to HUGO [2] algorithm. It is based on the use of a detectability map that is correlated to the security of the embedding process. The detectability map is calculated using the Kodovsky's ensemble classifiers [3] as an oracle, which preserves the distribution of the cover image and of the sender's database. In this article, we give the technical points about ASO. We give the details of the detectability map computation, then we study the security of the communication phase of ASO through the paradigm of the steganography by database. Since the introduced paradigm allows the sender to choose the most secure stego image(s) during the transmission of his message, we propose some security metrics that can help him to distinguish between secure and insecure images. We thus significantly increase the security of ASO.
Type de document :
Communication dans un congrès
EUSIPCO: EUropean SIgnal Processing COnference, Aug 2012, Bucharest, Romania. 20th European Signal Processing Conference, pp.1703-1707, 2012, Watermarking. 〈http://www.eusipco2012.org/home.php〉
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Contributeur : Marc Chaumont <>
Soumis le : lundi 1 juillet 2013 - 18:45:53
Dernière modification le : jeudi 11 janvier 2018 - 06:26:18
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Sarra Kouider, Marc Chaumont, William Puech. Technical Points About Adaptive Steganography by Oracle (ASO). EUSIPCO: EUropean SIgnal Processing COnference, Aug 2012, Bucharest, Romania. 20th European Signal Processing Conference, pp.1703-1707, 2012, Watermarking. 〈http://www.eusipco2012.org/home.php〉. 〈lirmm-00838996〉

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