Difference expansion and prediction for high bit-rate reversible data hiding

Giulia Boato; Marco Azzoni; Marco Carli; Federica Battisti; Karen O. Egiazarian

doi:10.1117/1.JEI.21.3.033013

14 August 2012 Difference expansion and prediction for high bit-rate reversible data hiding

Giulia Boato, Marco Azzoni, Marco Carli, Federica Battisti, Karen O. Egiazarian

Author Affiliations +

Journal of Electronic Imaging, Vol. 21, Issue 3, 033013 (August 2012). https://doi.org/10.1117/1.JEI.21.3.033013

Abstract

Reversible data hiding deals with the insertion of auxiliary information into a host data without causing any permanent degradation to the original signal. In this contribution a high capacity reversible data hiding scheme, based on the classical difference expansion insertion algorithm, is presented. The method exploits a prediction stage, followed by prediction errors modification, both in the spatial domain and in the S-transform domain. Such two step embedding allows us to achieve high embedding capacity while preserving a high image quality, as demonstrated in the experimental results.

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Giulia Boato, Marco Azzoni, Marco Carli, Federica Battisti, and Karen O. Egiazarian "Difference expansion and prediction for high bit-rate reversible data hiding," Journal of Electronic Imaging 21(3), 033013 (14 August 2012). https://doi.org/10.1117/1.JEI.21.3.033013

Published: 14 August 2012

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