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IEICE TRANSACTIONS on Information

Digital Image Watermarking Method Based on Vector Quantization with Labeled Codewords

Zhe-Ming LU, Wen XING, Dian-Guo XU, Sheng-He SUN

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Summary :

This Letter presents a novel VQ-based digital image watermarking method. By modifying the conventional GLA algorithm, a codeword-labeled codebook is first generated. Each input image block is then reconstructed by the nearest codeword whose label is equal to the watermark bit. The watermark extraction can be performed blindly. Simulation results show that the proposed method is robust to JPEG compression, vector quantization (VQ) compression and some spatial-domain processing operations.

Publication
IEICE TRANSACTIONS on Information Vol.E86-D No.12 pp.2786-2789
Publication Date
2003/12/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Applications of Information Security Techniques

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