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Lossless recovery of a VQ index table with embedded secret data by Chin-Chen Chang; Wen-Chuan Wu; Yu-Chen Hu is a Computer Science article available to read on EtoBox.

What is Lossless recovery of a VQ index table with embedded secret data about?

This paper proposes a reversible data embedding scheme based on a VQ image compression technique which emphasizes that the original VQ compressed codes can be recovered after data extraction. In this proposed scheme, a VQ codebook, which had already been clustered into three groups, was adopted to achieve secret concealment and data recovery. In order to embed more secret data, the concepts of frequency clustering and trio extension were also introduced. Experimental results showed that the proposed scheme with the lossless recovery facility could work well.

Who reads Lossless recovery of a VQ index table with embedded secret data?

Author

Chin-Chen Chang; Wen-Chuan Wu; Yu-Chen Hu

Publisher

Elsevier Science; Elsevier ; Elsevier Inc.; Elsevier BV (ISSN 1047-3203)

Published

2007

Language

EN

Field

Computer Science (Physical Sciences)