Survey of watermarking blind detection on Wavelet transformation domain

doi:10.3778/j.issn.1002-8331.2010.05.026

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (5): 86-88.DOI: 10.3778/j.issn.1002-8331.2010.05.026

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Survey of watermarking blind detection on Wavelet transformation domain

ZHU Xiang-wei

Suzhou Campus，Nanjing Institute of Railway Technology，Suzhou，Jiangsu 215031，China

Received:2008-08-14 Revised:2008-12-15 Online:2010-02-11 Published:2010-02-11
Contact: ZHU Xiang-wei

Wavelet变换域的水印盲检测研究

朱香卫

南京铁道职业技术学院苏州校区，江苏苏州 215031

通讯作者: 朱香卫

Abstract

Abstract: This paper carries out the statistical analysis to the Wavelet transformation’s high frequency coefficient.The conclusion is that the Wavelet transformation’s high frequency coefficient conforms to the generalized Gaussian distribution，and conducts the estimation of marginal distribution and joint distribution of Wavelet coefficients via the method of maximum likelihood estimator.A watermarking blind detection frame on the Wavelet transformation domain is proposed.Experiments prove that Watermarking detector has a good detection performance based on the Wavelet transformation domain.

Key words: digital watermarking, Wavelet transformation, generalized Gaussian distribution, blind detection

摘要： 对Wavelet变换的高频系数进行统计分析，得出的结论是Wavelet变换的高频系数符合广义高斯分布，采用极大似然估计的方法对Wavelet变换系数的边缘分布和联合分布进行拟合，提出了一种Wavelet变换域水印盲检测框架。实验证明Wavelet变换域所提出水印检测器具备了良好的检测性能。

关键词: 数字水印, Wavelet变换, 广义高斯分布, 盲检测

CLC Number:

TP309.2

ZHU Xiang-wei. Survey of watermarking blind detection on Wavelet transformation domain[J]. Computer Engineering and Applications, 2010, 46(5): 86-88.

朱香卫. Wavelet变换域的水印盲检测研究[J]. 计算机工程与应用, 2010, 46(5): 86-88.

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Survey of watermarking blind detection on Wavelet transformation domain

Wavelet变换域的水印盲检测研究

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