| 基于MRP的可撤销模板设计及其分析 |
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| 引用本文： | 徐文华,贺前华,李韬,范炜.基于MRP的可撤销模板设计及其分析[J].电子学报,2009,37(12):2792-2796. |
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| 作者姓名： | 徐文华 贺前华 李韬 范炜 |
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| 作者单位： | 华南理工大学电子与信息学院,广东广州,510641 |
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| 摘 要： | 针对基于生物特征认证系统中的存储及传输安全问题,并且考虑到基于VQ(Vector Quantization)算法声纹认证系统训练数据少,存储空间和训练时间也比较小的优点,在基于VQ算法声纹认证系统的基础上,采用MRP(Multispace Random Projection)提出一种可撤销声纹模板.通过特征点与特征点,特征点与码字之间的距离变换前后保持不变,说明平均量化误差不变,从而证明该方法满足可撤销模板的性能保持性.通过随机矩阵和不定方程的分析证明该方法满足不可逆性,即是安全的.初步实验结果的认证率达96%,说明该方法的有效性.
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| 关 键 词： | 生物认证 可撤销模板 随机映射 |
| 收稿时间： | 2008-10-08 |
Design and Analysis of MRP-Based Cancelable Template |
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| XU Wen-hua,HE Qian-hua,LI Tao,FAN Wei.Design and Analysis of MRP-Based Cancelable Template[J].Acta Electronica Sinica,2009,37(12):2792-2796. |
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| Authors: | XU Wen-hua HE Qian-hua LI Tao FAN Wei |
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| Affiliation: | XU Wen-hua,HE Qian-hua,LI Tao,FAN Wei(School of Electronic and Information Engineering,South China University of Technology,Guangzhou,Guangdong 510641,China) |
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| Abstract: | The template storage and transmission security are crucial for biometrics-based authentication.Bases on the low storage demand and training cost of VQ-based(VectorQuantization) voiceprint authentication,a MRP-based(Multispace-Random-Projection) cancelable voiceprint template was proposed in this paper.The performance consistency was investigated by the invariableness of the quantization error.The security of the proposal was clarified by the characteristics of the random matrix and the underdetermined syste... |
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| Keywords: | biometric-based authentication cancelable template random projection |
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