New watermarking scheme for colour image

被引：0
|
作者：
Cika, Petr [1 ]
机构：
[1] Brno Univ Technol, Dept Telecommun, Brno 61200, Czech Republic
来源：
Personal Wireless Communications | 2007年 / 245卷
关键词：
spatial watermark; encryption; watermarking system;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper deals with a new watermarking scheme in the time domain. The method tested follows up on a method that was presented in [1]. Compared with the method from [1] there are some changes in the new one, which improve the detection and extraction process. The watermark is embedded into the red and green components of a colour image. This has, on the one hand, an effect on the quality of watermarked image; on the other hand it increases the possibility of extracting the watermark even from very modified images.
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页码：497 / 504
页数：8
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