A Lossless Watermarking Technique for Halftone Images

A Lossless Watermarking Technique for Halftone Images

In this paper, a lossless watermarking technique in dealing with halftone images is proposed to achieve both copyright protection and exact recovery of the original halftone image with legal authorization. Experimental results show that pattern substitution along with an appropriate block cutting on...

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Veröffentlicht in:Knowledge-Based Intelligent Information and Engineering Systems 2005, p.593-599
Hauptverfasser: Liao, Ping-Sung, Pan, Jeng-Shyang, Chen, Yen-Hung, Liao, Bin-Yih
Format: Artikel
Sprache:eng
Schlagworte:
Data Hiding
Digital Watermark
Processing Block
Watermark Image
Watermark Technique
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Beschreibung
Zusammenfassung:In this paper, a lossless watermarking technique in dealing with halftone images is proposed to achieve both copyright protection and exact recovery of the original halftone image with legal authorization. Experimental results show that pattern substitution along with an appropriate block cutting on a halftone image makes possible the positive recovery of the original halftone image after the extraction of a watermark.
ISSN:0302-9743
1611-3349
DOI:10.1007/11552451_81