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A Reversible Data Hiding Scheme for SMVQ Indices
Volume 25, Issue 4 (2014), pp. 523–540
Chin-Chen Chang   Thai-Son Nguyen  

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https://doi.org/10.15388/Informatica.2014.27
Pub. online: 1 January 2014      Type: Article     

Received
1 November 2012
Accepted
1 September 2014
Published
1 January 2014

Abstract

Abstract
Reversible data hiding is a method that can guarantee that the cover image can be reconstructed correctly after the secret message has been extracted. Recently, some reversible data hiding schemes have concentrated on the VQ compression domain. In this paper, we present a new reversible data hiding scheme based on VQ and SMVQ techniques to enhance embedding capacity and compression rate. Experimental results show that our proposed scheme achieves higher embedding capacity and smaller average compression rate than some previous methods. Moreover, our proposed scheme maintains the high level of visual quality of the reconstructed image.

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Vilnius University

Keywords
VQ image compression SMVQ reversible data hiding embedding capacity

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INFORMATICA

  • Online ISSN: 1822-8844
  • Print ISSN: 0868-4952
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