Wavelet-based digital image watermarking

Houng Jyh Mike Wang, Po Chyi Su, C. C.Jay Kuo

Research output: Contribution to journalArticlepeer-review

115 Scopus citations

Abstract

A wavelet-based watermark casting scheme and a blind watermark retrieval technique are investigated in this research. An adaptive watermark casting method is developed to first determine significant wavelet subbands and then select a couple of significant wavelet coefficients in these subbands to embed watermarks. A blind watermark retrieval technique that can detect the embedded watermark without the help from the original image is proposed. Experimental results show that the embedded watermark is robust against various signal processing and compression attacks.

Original languageEnglish
Pages (from-to)491-496
Number of pages6
JournalOptics Express
Volume3
Issue number12
DOIs
StatePublished - Dec 1998

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