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

[+] Author Affiliations
Giulia Boato

University of Trento, Department of Information Engineering and Computer Science, Trento 38121, Italy

Marco Carli

University of Roma TRE, Department of Applied Electronics, Roma 00146, Italy

Federica Battisti

University of Roma TRE, Department of Applied Electronics, Roma 00146, Italy

Marco Azzoni

University of Trento, Department of Information Engineering and Computer Science, Trento 38121, Italy

Karen Egiazarian

Tampere University of Technology, Department of Signal Processing, Tampere 33720, Finland

J. Electron. Imaging. 21(3), 033013 (Aug 14, 2012). doi:10.1117/1.JEI.21.3.033013
History: Received November 3, 2011; Revised May 7, 2012; Accepted July 9, 2012
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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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© 2012 SPIE and IS&T

Citation

Giulia Boato ; Marco Carli ; Federica Battisti ; Marco Azzoni and Karen Egiazarian
"Difference expansion and prediction for high bit-rate reversible data hiding", J. Electron. Imaging. 21(3), 033013 (Aug 14, 2012). ; http://dx.doi.org/10.1117/1.JEI.21.3.033013


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