Research on the Complementary Watermarking with Robust in the Digital Watermarking
Jianchen Liu · Microcomputer Information · 2008
The digital watermark technology,developed recently,makes the copyright protection of the electrical data feasible,and becomes a hot spot in the multimedia information security research area.Consequently,the watermark and its key technology acquire wide public concern of academic and industry area.The robustness of the watermark is the main content in this article.By analysis the embedding strategy of watermarking in the DWT,A Robust complementary watermarking in DWT is proposed.A watermark is embedded in the low-frequency and mid-high-frequency.