Digital Watermarking Based on Wavelet and Chaotic Mapping

被引：0

作者：

Song, Yuan ^{[1
]}

Zhou, Bo ^{[2
]}

Zhou, Guojun ^{[2
]}

机构：

[1] Dalian Naval Acad, Training Dept, Dalian 116018, Liaoning, Peoples R China

[2] Dalian Naval Acad, Dept Basic Sci, Dalian 116018, Liaoning, Peoples R China

来源：

COMPUTER AND INFORMATION TECHNOLOGY | 2014年 / 519-520卷

关键词：

Digital watermark; Discrete wavelet transform; logistic mapping;

D O I：

10.4028/www.scientific.net/AMM.519-520.520

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

An algorithm of wavelet digital watermarking was proposed to improve the security of the watermark. First, the logistic chaotic sequence was used to generate an encrypted image watermarking, then discrete wavelet transform (DWT) was used to decompose the original image and the watermark was embedded into the selected frequency band of significant wavelet coefficients. Finally, an approach for extraction was adopted. Experimental results show that the watermark is robust to attacks if the chaotic key is unknown

引用

页码：520 / +

页数：2

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