Secure Minutiae-Based Fingerprint Templates Using Random Triangle Hashing

Abstract. Due to privacy concern on the widespread use of biometric authentication systems, biometric template protection has gained great attention in the biometric research recently. It is a challenging task to design a biometric template protection scheme which is anonymous, revocable and noninvertible while maintaining acceptable performance. Many methods have been proposed to resolve this problem, and cancelable biometrics is one of them. In this paper, we propose a scheme coined as Random Triangle Hashing which follows the concept of cancelable biometrics in the fingerprint domain. In this method, realignment of fingerprints is not required as all the minutiae are translated into a pre-defined 2 dimensional space based on a reference minutia. After that, the proposed Random Triangle hashing method is used to enforce the one-way property (non-invertibility) of the biometric template. The proposed method is resistant to minor translation error and rotation distortion. Finally, the ...

• Type: Conference
• Year: 2009
• Where: IVIC
• Authors: Zhe Jin, Andrew Beng Jin Teoh, Thian Song Ong, Connie Tee
• Keywords: Biometric Template, Biometric Template Protection, Biometrics, Informatics, IVIC 2009