| Wavelet变换域的水印盲检测研究 |
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| 引用本文： | 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. DOI: 10.3778/j.issn.1002-8331.2010.05.026 |
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| 作者姓名： | 朱香卫 |
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| 作者单位： | 南京铁道职业技术学院 苏州校区，江苏 苏州 215031 |
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| 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。
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| 关 键 词： | 数字水印 Wavelet变换 广义高斯分布 盲检测 |
| 收稿时间： | 2008-08-14 |
| 修稿时间： | 2008-12-15 |
Survey of watermarking blind detection on Wavelet transformation domain |
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| ZHU Xiang-Wei. Survey of watermarking blind detection on Wavelet transformation domain[J]. Computer Engineering and Applications, 2010, 46(5): 86-88. DOI: 10.3778/j.issn.1002-8331.2010.05.026 |
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| Authors: | ZHU Xiang-Wei |
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| Affiliation: | Suzhou Campus，Nanjing Institute of Railway Technology，Suzhou，Jiangsu 215031，China |
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| 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 detecto... |
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| Keywords: | digital watermarking Wavelet transformation generalized Gaussian distribution blind detection |
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