Generate new identity from fingerprints for privacy protection
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 1
Abstract
We propose here a novel system for privacy protection of fingerprint by merging two fingerprints & generate new identity. In the enrollment phase, two fingerprints are taken from two different fingers of one person. From one fingerprint we extract the minutiae positions, from the other fingerprint we extract the orientations, and from both fingerprints we extract the reference points. From this extracted information and our coding strategies, we generate combined minutiae template and that generated combined minutiae template stored in a database. During authentication phase, the system requires two query fingerprints from the same two fingers of one person which are used during enrollment phase. A two-stage fingerprint matching system is used for matching the two query finger-prints from the same two fingers of one person against a combined minutiae template which is stored in database. By storing the combined minutiae template in the database, the complete minutiae positions of a single fingerprint will not be compromised when the database is stolen. Furthermore, because of the similarity in topology, it is very difficult for the attacker to differentiate a combined minutiae template from the original minutiae templates. With the help of an existing fingerprint reconstruction approach, we are able to reconstruct the combined minutiae template into a new virtual identity of merged fingerprints. Thus, a new virtual identity is generated from merging the two different fingerprints of one person, which can be matched using minutiae based fingerprint matching algorithms. The experimental results shows that our system can achieve a very low error rate.
Authors and Affiliations
Ujma A. Mulla
Keywords
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