| 一种基于脊波和数字加密的脆弱数字水印算法 |
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| 引用本文： | 宋广华,刘慧.一种基于脊波和数字加密的脆弱数字水印算法[J].河池学院学报,2009,29(2). |
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| 作者姓名： | 宋广华 刘慧 |
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| 作者单位： | 河池学院,数学系,广西,宜州,546300 |
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| 基金项目： | 河池学院应用数学重点学科资助项目 |
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| 摘 要： | 脆弱数字水印是当今图形图像认证的一项关键技术,脊波变换的理论是小波分析理论的最新成果,数字加密技术是对多媒体信息进行加密保护的一项非常可靠的技术.在此把最新的脊波技术和数字加密技术结合在一起,提出了一种变换域脆弱数字水印算法,并经仿真试验证实,该算法具有良好的不可见性,且水印对图像的篡改非常敏感,可以有效的对图像进行认证.
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| 关 键 词： | 脆弱数字水印 小波变换 脊波变换 数字加密 |
Fragile Digital Watermarking Algorithm Based on a Ridge of the Wave and Digital Encryption |
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| SONG Guang-hua,LIU Hui.Fragile Digital Watermarking Algorithm Based on a Ridge of the Wave and Digital Encryption[J].Journal of Hechi University,2009,29(2). |
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| Authors: | SONG Guang-hua LIU Hui |
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| Institution: | Department of Mathematics;Hechi University;Yizhou;Guangxi 546300;China |
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| Abstract: | Fragile digital watermarking is a vital technology of the graphic image authentication.Wavelet transformation theory is an extention of wavelet analysis theory and digital encryption technology is a very reliable technology to encrypt and protect multimedia information.Combining the newest chiropactor technology with digital encryption technlogy,the paper presents a transformation domain fragile digital watermarking algorithm,which is confirmed by simulated experiments to show that the algorithm is of good ... |
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| Keywords: | fragile digital watermarking wavelet transformation chiropractors wavelet transformation digital encryption |
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