A DWT-based fragile watermarking tolerant of JPEG compression

被引:0
|
作者
Hu, JQ [1 ]
Huang, JW
Huang, DR
Shi, YQ
机构
[1] Zhongshan Univ, Sch Informat Sci & Technol, Guangzhou 510275, Peoples R China
[2] New Jersey Inst Technol, Dept ECE, Newark, NJ 07102 USA
来源
DIGITAL WATERMARKING | 2002年 / 2613卷
关键词
D O I
暂无
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
In this paper, we propose a novel DWT-based fragile watermarking scheme by exploiting the characteristics of the human visual system (HVS). Multi-resolution tamper detection and image fusion are applied to watermark detection and accurate tamper region location. To distinguish between incidental and malicious modifications, some effective rules are presented. Mathematical morphology operations are used to improve the detection performance. Experiment results demonstrate that the watermark is fragile to malicious tamper and robust against high quality lossy image compression.
引用
收藏
页码:179 / 188
页数:10
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