4 May 2009 A lightweight approach for biometric template protection
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Privacy and security are vital concerns for practical biometric systems. The concept of cancelable or revocable biometrics has been proposed as a solution for biometric template security. Revocable biometric means that biometric templates are no longer fixed over time and could be revoked in the same way as lost or stolen credit cards are. In this paper, we describe a novel and an efficient approach to biometric template protection that meets the revocability property. This scheme can be incorporated into any biometric verification scheme while maintaining, if not improving, the accuracy of the original biometric system. However, we shall demonstrate the result of applying such transforms on face biometric templates and compare the efficiency of our approach with that of the well-known random projection techniques. We shall also present the results of experimental work on recognition accuracy before and after applying the proposed transform on feature vectors that are generated by wavelet transforms. These results are based on experiments conducted on a number of well-known face image databases, e.g. Yale and ORL databases.
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Hisham Al-Assam, Hisham Al-Assam, Harin Sellahewa, Harin Sellahewa, Sabah Jassim, Sabah Jassim, } "A lightweight approach for biometric template protection", Proc. SPIE 7351, Mobile Multimedia/Image Processing, Security, and Applications 2009, 73510P (4 May 2009); doi: 10.1117/12.818291; https://doi.org/10.1117/12.818291

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