| 基于广义高斯分布的水印信号检测 |
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| 引用本文： | 汪太月,李宏伟,王志华.基于广义高斯分布的水印信号检测[J].数据采集与处理,2007,22(2):166-171. |
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| 作者姓名： | 汪太月 李宏伟 王志华 |
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| 作者单位： | 1. 中国地质大学数理学院,武汉,430074
2. 湖北工业大学理学院,武汉,430068 |
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| 摘 要： | 根据数字图像离散余弦变换域交流系数的广义高斯分布模型，对盲图像水印技术进行研究，并给出了水印检测器检测性能的理论分析结果。实验验证了图像水印检测理论的有效性以及本文的局部优化检测器性能的优良性。
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| 关 键 词： | 广义高斯分布 离散余弦变换 盲图像 水印检测 |
| 文章编号： | 1004-9037（2007）02-0166-06 |
| 收稿时间： | 2006-04-04 |
| 修稿时间： | 2006-04-042006-11-08 |
Watermark Detection Based on Generalized Gaussian Distribution |
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| Wang Taiyue,Li Hongwei,Wang Zhihua.Watermark Detection Based on Generalized Gaussian Distribution[J].Journal of Data Acquisition & Processing,2007,22(2):166-171. |
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| Authors: | Wang Taiyue Li Hongwei Wang Zhihua |
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| Affiliation: | School of Mathematics and Physics, China University of Geosciences, Wuhan, 430074, China ;Institute of Sciece, Hubei University of Technology, Wuhan, 430068, China |
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| Abstract: | By applying generalized Gaussian distribution to statistically model the alternating current coefficient of discrete cosine transform, the technology of the blind image watermark is studied and the performance of the new detector is analyzed. Experimental results verify the theoretical performance analysis and show that the better than that of the linear correlate detector. performance of the local optimum detector isbetter than that of the linear correlate detector. |
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| Keywords: | generalized Gaussian distribution discrete cosine transform blind image watermark detection |
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