Watermark design for embedded wavelet image codec

被引：10
|
作者：
Wang, HJ [1 ]
Kuo, CCJ [1 ]
机构：
[1] Univ So Calif, Integrated Multimedia Syst Ctr, Los Angeles, CA 90089 USA
来源：
APPLICATIONS OF DIGITAL IMAGE PROCESSING XXI | 1998年 / 3460卷
关键词：
digital watermark; wavelet transform; data hiding;
D O I：
10.1117/12.323193
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
A new scheme to search perceptually significant wavelet coefficients for effective digital watermark casting is proposed in this research, An adaptive method is developed to determine significant subbands and select a number of significant coefficients in these subbands. Experimental results show that the cast watermark can be successfully retrieved after various attacks including signal processing, geometric processing, noise adding, JPEG and wavelet-based compression methods.
引用
收藏
页码：388 / 398
页数：5
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