A multiple watermarking algorithm based on spread spectrum technique

被引：0
|
作者：
Liu, B [1 ]
Chen, HY [1 ]
Wang, MK [1 ]
机构：
[1] Harbin Univ Sci & Technol, Coll Meas Contr Commun Engn, Harbin 150040, Heilongjiang, Peoples R China
来源：
PROCEEDINGS OF THE 2004 CHINA-JAPAN JOINT MEETING ON MICROWAVES | 2004年
关键词：
spread spectrum technique; multiple watermarks; DCT transform;
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：
The paper proposes a digital watermarking algorithm that embeds multiple binary images into a standard 512*512 intensity image with an 8 bit gray scale. The algorithm is mainly based on the theory of spread spectrum technique. The algorithm regards the original image as transmission channel and watermark as transmission signal, so, we can embed multiple watermark into the same image at the same time and the mutual interference between different watermarks is negligible. Experiment results show that the algorithm is robust against image processing operations such as cropping, image filtering, JPEG lossy compression and noises.
引用
收藏
页码：319 / 322
页数：4
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