Multiple watermarking using hadamard transform

被引：0
|
作者：
Li, HF [1 ]
Wang, SX [1 ]
Song, WW [1 ]
Wen, Q [1 ]
机构：
[1] Jilin Univ, Coll Commun & Engn, Changchun 130025, Peoples R China
来源：
ADVANCES IN WEB-AGE INFORMATION MANAGEMENT, PROCEEDINGS | 2005年 / 3739卷
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, a multiple watermarking algorithm is proposed which is based on Hadamard transform. Readable watermarks are inserted into Hadamard transform coefficients using quantization. The pseudo-radon permutation is used to enhance the security and robustness of the watermarks. Experimental results showed that the proposed algorithm is invisible and robust to signal processing and geometrical attacks.
引用
收藏
页码：767 / 772
页数：6
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