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Sparse Reconstruction Based Watermarking for Secure Biometric Authentication
Bin Ma; Chunlei Li; Zhaoxiang Zhang; Yunhong Wang
2011-12-03
会议名称Chinese Conference on Biometric Recognition
会议录名称CCBR 2011
会议日期3-4 December 2011
会议地点Beijing, China
摘要This paper presents a robust watermarking method to enhance the security of multimodal biometric authentication system. A compact representation of face is first generated by downsampling the raw image with a high ratio. Then, the face feature is employed as watermark and embedded into fingerprint image with a blind SS-QIM scheme. Under the framework of sparse reconstruction, the credibility of fingerprint data can be verified by checking the validity of extracted pattern in the authentication stage. Furthermore, if the extracted face watermark is valid, it can provide additional identity information for multimodal biometric authentication. Experimental results demonstrate that the face watermark can effectively verify the credibility of fingerprint images while not affecting their recognition performance. Plus, fusing valid face watermark with host fingerprint can also increase the reliability of authentication.
关键词Biometric Security Digital Watermarking Qim
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/13272
专题类脑智能研究中心
通讯作者Zhaoxiang Zhang
推荐引用方式
GB/T 7714
Bin Ma,Chunlei Li,Zhaoxiang Zhang,et al. Sparse Reconstruction Based Watermarking for Secure Biometric Authentication[C],2011.
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