混沌置乱在图像水印系统中的研究  

Research of Chaos Scrambling in Image Watermarking System

作　　者：胡裕峰[1] 朱善安[1] 

机构地区：[1]浙江大学电气工程学院,杭州310027

出　　处：《电子器件》2008年第5期1457-1459,共3页Chinese Journal of Electron Devices

摘　　要：提出了一种新的置乱算法,利用混沌序列对初值的敏感性高、安全性强、密钥空间大且是非周期的特性,产生两个混沌序列分别置乱水印图像的行和列,加密水印图像。通过经典的图像水印系统对比实验证明了双混沌置乱能提高水印安全性和抗剪裁攻击攻击性能。This paper presented a new scrambling algorithm, which had make use of the high sensitivity, strong security, and the large key space and non-cyclical characteristics of chaotic sequence, generated two chaotic sequence to scramble the rows and columns of watermark image, and encrypted watermark images. Through the classic image watermarking system contrast experiment, it proved that double chaos scrambling can enhance security and boost anti-offensive.

关 键 词：双混沌置乱 LOGISTIC映射 数字水印 安全性 抗剪裁攻击 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]