Biometrics : Challenges arising from Theory to Practice
نویسندگان
چکیده
Recognizing people based on their biological or behavioral characteristics, called biometric authentication, has been applied over hundred years. Two important issues, 1) distinctiveness and 2) permanence should be considered for biometric authentication. Distinctiveness of a biometric refers to that any two persons should be sufficiently different in terms of the features in the biometrics. Permanence of a biometric refers to that the features should be sufficiently invariant over a period of time. In this paper, we will provide evidences for discussing the distinctiveness and permanence of low-resolution palmprints, which has high potential for commercial security systems. In addition to distinctiveness and permanence, we will discuss another fundamental issue, palmprint classification. We define six classes of palmprints based on number of principal lines and their intersection points.
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