An accuracy measure for a biometric system is:
system response time.
input file size.
For a biometric solution three main accuracy measures are used: false-rejection rate (FRR), crosserror 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