Patent ID: 6107935
Filing Date: 2000-08-22
Classification: G07C,G10L

Abstract:
A user recognition system for selectively permitting access by a requesting user to one of a service and facility, the system comprising:means for extracting at least one biometric attribute from the requesting user;means for storing previously extracted biometric attributes respectively corresponding to a pool of previously enrolled users;means for identifying, from identifying indicia provided by the requesting user, a previously enrolled user as a claimed user;means for associating, with the claimed user, first and second groups of previously enrolled users, the first group being defined as users who are respectively biometrically similar to the claimed user with respect to the extracted biometric attribute and the second group being defined as users who are biometrically similar to the claimed user but not as biometrically similar as the users in the first group; andmeans for verifying the requesting user by comparing the extracted biometric attribute of the requesting user to the pre-stored biometric attributes of the previously enrolled users in the second group and, in response to such comparison, generating an indicator indicating that the requesting user is one of verified and not verified for access to one of the service and facility.