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Hiding Secret Information Using Adaptive Side-Match VQ

Chin-Chen CHANG, Wen-Chuan WU, Chih-Chiang TSOU

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Summary :

The major application of digital data hiding techniques is to deliver confidential data secretly via public but unreliable computer networks. Most of the existing data hiding schemes, however, exploit the raw data of cover images to perform secret communications. In this paper, a novel data hiding scheme was presented with the manipulation of images based on the compression of side-match vector quantization (SMVQ). This proposed scheme provided adaptive alternatives for modulating the quantized indices in the compressed domain so that a considerable quantity of secret data could be artfully embedded. As the experimental results demonstrated, the proposed scheme indeed provided a larger payload capacity without making noticeable distortions in comparison with schemes proposed in earlier works. Furthermore, this scheme also presented a satisfactory compression performance.

Publication
IEICE TRANSACTIONS on Information Vol.E90-D No.10 pp.1678-1686
Publication Date
2007/10/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e90-d.10.1678
Type of Manuscript
PAPER
Category
Application Information Security

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