A robust and blind watermarking scheme on wavelet domain against geometric attacks

被引：0
|
作者：
Lin Chongze [1 ]
Yuan Daohua [2 ]
Lu Caowei [2 ]
Li Bingfa [2 ]
Li Jingpeng [2 ]
机构：
[1] Sichuan Univ, Dept Comp Sci, Chengdu 610065, Peoples R China
[2] Sichuan Univ, Dept Comp Sci, Chengdu 610065, Peoples R China
来源：
WAVELET ACTIVE MEDIA TECHNOLOGY AND INFORMATION PROCESSING, VOL 1 AND 2 | 2006年
关键词：
wavelet transform; image watermarking; geometric attack; feature template;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Geometric attacks become a serious threat to most existing wavelet-based watermarking by destroying the synchronization between watermark and watermarked images. This paper presents a novel robust watermarking scheme against geometrical distortions. Using invariant centroid (IC) and a feature template in DFT domain, the synchronization can be reconstructed. The double-channel watermarking is embedded into low-frequency band in DWT domain. Experimental results prove that our watermarking scheme has good invisibility and excellent robustness against both,normal attacks and geometric attacks; furthermore, this method is blind watermarking.
引用
收藏
页码：265 / +
页数：2
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