Using Distributed Source Coding to Secure Fingerprint Biometrics


We describe a method to encode fingerprint biometrics securely for use, e.g., in encryption or access control. The system is secure because the stored data does not suffice to recreate the original fingerprint biometric. Therefore, a breach in database security does not lead to the loss of biometric data. At the same time the stored data suffices to validate a probe fingerprint. Our approach is based on the use of distributed source coding techniques implemented with graph-based codes. We present a statistical model of the relationship between the enrollment biometric and the (noisy) biometric measurement taking during authentication. We describe how to validate or reject a candidate biometric probe given the probe and the stored encoded data. We report the effectiveness of our method as tested on a database consisting of 579 data sets, each containing roughly 15 measurements of a single finger. We thereby demonstrate a working secure biometric system for fingerprints.

DOI: 10.1109/ICASSP.2007.366189

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@article{Draper2007UsingDS, title={Using Distributed Source Coding to Secure Fingerprint Biometrics}, author={Stark C. Draper and Ashish Khisti and Emin Martinian and Anthony Vetro and Jonathan S. Yedidia}, journal={2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07}, year={2007}, volume={2}, pages={II-129-II-132} }