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An accuracy measure for a biometric system is:

An accuracy measure for a biometric system is:

A. system response time.

B. registration time.

C. input file size.

D. false-acceptance rate.

Explanation:

For a biometric solution three main accuracy measures are used: false-rejection rate (FRR), cross-error rate (CER) and false-acceptance rate (FAR). FRR is a measure of how often valid individuals are rejected. FAR is a measure of how often invalid individuals are accepted. CER is a measure of when the false-rejection rate equals the false-acceptance rate. Choices A and B are performance measures.


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