An encryption method is proposed to use random quantization to generate diversified and renewable templates from fingerprint minutiae. The method first achieves absolute pre-alignment over local minutiae quadruplets (called minutiae vicinities) in the original template, resulting in a fixed-length feature vector for each vicinity; and second quantizes the feature vector into binary bits by random quantization; and last post-processes the resultant binary vector in a length tunable way to obtain a protected minutia. Experiments on the fingerprint database FVC2002DB2-A demonstrate the desirable biometric performance achieved by the proposed method. © 2010 Springer-Verlag.
CITATION STYLE
Yang, B., Gafurov, D., Busch, C., & Bours, P. (2010). Encrypting fingerprint minutiae templates by random quantization. In Communications in Computer and Information Science (Vol. 87 CCIS, pp. 515–522). https://doi.org/10.1007/978-3-642-14292-5_52
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