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Alignment-free fingerprint cryptosystems perform matching using relative information between minutiae, e.g., local minutiae structures, is promising, because it can avoid the recognition errors and information leakage caused by template alignment/registration. However, as most local minutiae structures only contain relative information of a few minutiae in a local region, they are less discriminative...
Bio-cryptographic systems, such as Fuzzy Vault and Fuzzy Extractor, can not only verify a person but also protect a pre-stored user feature template. Nearly all of the existing bio-cryptographic systems work in encrypted domain, and hence all biometric features should be transformed from biometric domain to encrypted domain, usually referred to the encoding and decoding process. The selection of biometric...
Biometric authentication systems can address the problems of genuine user verification and usability suffered by the conventional cryptosystems based on the password and token. However, as biometrics is not replaceable, its privacy has become a concern. Also, if the same biometrics is used in multiple applications, it will be vulnerable to potential cross-matching attacks. In this paper, a projection...
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