On Digital Watermarks Based on Complete Complementary Codes

被引：0
|
作者：
Horii, Yoshiya [1 ]
Kojima, Tetsuya [1 ]
机构：
[1] Tokyo Natl Coll Technol, Tokyo, Japan
来源：
IWSDA'09: PROCEEDINGS OF THE FOURTH INTERNATIONAL WORKSHOP ON SIGNAL DESIGN AND ITS APPLICATIONS IN COMMUNICATIONS | 2009年
关键词：
digital watermark; spread sequence; complete complementary code;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Digital watermarking technologies with spread spectrum (SS) sequences have been previously proposed. The sequences used in previous studies, however, do not necessarily have good correlation properties. It is known that complete complementary codes have ideal correlation properties and very effective for mobile communication systems like CDMA. In this paper, it is shown that correlation properties of sequences play very important roles in detecting the embedded secret information from the watermarked images. In addition, we propose a method to embed multiple secret data simultaneously into a single image.
引用
收藏
页码：126 / 129
页数：4
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