Watermarking method with amendement of interference and chaotic encryption

doi:10.3778/j.issn.1002-8331.2010.02.053

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (2): 177-180.DOI: 10.3778/j.issn.1002-8331.2010.02.053

• 图形、图像、模式识别 • Previous Articles Next Articles

Watermarking method with amendement of interference and chaotic encryption

QIN Zhen¹，YU Hai²，ZHU Zhi-liang²

1.School of Computer and Communication Engineering，Liaoning Shihua University，Fushun，Liaoning 113001，China
2.Software College，Northeastern University，Shenyang 110004，China

Received:2008-07-28 Revised:2008-10-17 Online:2010-01-11 Published:2010-01-11
Contact: QIN Zhen

带干扰修正与混沌加密的数字水印方法

秦震¹，于海²，朱志良²

1.辽宁石油化工大学计算机与通信工程学院，辽宁抚顺 113001
2.东北大学软件学院，沈阳 110004

通讯作者: 秦震

Abstract

Abstract: This paper discusses on watermarking algorithm based on DWT.It scrambles image of watermark using third dimension of Rössler system to improve confidentiality of water mark based on that watermark bits are added adaptively to the significant coefficients of subband selected by considering the Human Visual System（HVS） characteristics to raise the ability of anti-jamming at the condition that watermark can not be seen in the watermarked image.The scheme is developed for reliable extraction of watermark from distorted images using method of amendement of interference.Experiment results show that the watermarking algorithm has special anti-jamming resistance to the interference which is uniform in local space domain.

Key words: digital watermarking, Discrete Wavelet Transform（DWT）, chaos, amendement of interference

摘要： 提出一种离散小波变换（DWT）域的水印算法。在人类视觉系统自适应处理水印信息嵌入强度的基础上，对水印图引入Rõssler混沌系统进行置乱，兼顾不可见性和健壮性的同时，增强了水印图的保密性。同时建立了干扰误差模型，提出了抗干扰水印提取算法。减少提取过程中干扰对嵌入水印的影响，使提取出的水印效果得到改善。实验结果表明，该算法在局部空间上抗均匀干扰的能力有明显提高。

关键词: 数字水印, 离散小波变换, 混沌, 干扰修正

CLC Number:

TP391

QIN Zhen¹，YU Hai²，ZHU Zhi-liang². Watermarking method with amendement of interference and chaotic encryption[J]. Computer Engineering and Applications, 2010, 46(2): 177-180.

秦震¹，于海²，朱志良². 带干扰修正与混沌加密的数字水印方法[J]. 计算机工程与应用, 2010, 46(2): 177-180.

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Watermarking method with amendement of interference and chaotic encryption

带干扰修正与混沌加密的数字水印方法

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