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Proceedings Paper

Embedding considering dependencies between pixels
Author(s): Elke Franz
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Paper Abstract

This paper introduces a steganographic algorithm that generates a stego image based on a model describing plausible values for the pixels of that image. The model is established by analyzing a number of realizations of the cover image. The main contribution of the approach is that the model describes dependencies on adjacent pixels. Consequently, embedding according to the suggested approach considers image structures. The general approach includes parameters that influence the achievable security of embedding. Extensive practical tests using selected steganalytical methods illustrate the improvements of security compared to additive steganography and point out reasonable settings for the parameters.

Paper Details

Date Published: 18 March 2008
PDF: 12 pages
Proc. SPIE 6819, Security, Forensics, Steganography, and Watermarking of Multimedia Contents X, 68191D (18 March 2008); doi: 10.1117/12.766709
Show Author Affiliations
Elke Franz, Technische Univ. Dresden (Germany)

Published in SPIE Proceedings Vol. 6819:
Security, Forensics, Steganography, and Watermarking of Multimedia Contents X
Edward J. Delp III; Ping Wah Wong; Jana Dittmann; Nasir D. Memon, Editor(s)

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