Biometrics Glossary - V

Welcome to the Biometrics Glossary - V - for terms beginning with V

 A     B    C    D    E     F    G    H    I    J     K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

Validation
The process of demonstrating that the system under consideration meets in all respects the specification of that system.

Verification
A comparison of two sets of biometrics to determine if they are from the same individual; or, in fraud prevention applications, a one-to-one comparison of a live finger and a previously enrolled record to ensure that the applicant is who he/she claims to be.

Verification Algorithm
The algorithm used to check whether a user is who he says he is. Each biometric device will have an associated verification algorithm. 

Voice Recognition
See speaker recognition.

Vulnerability
The potential for the function of a biometric system to be compromised by intent (fraudulent activity); design flaw (including usage error); accident; hardware failure; or external environmental condition. See also threat.