A false rejection rate (FRR) is
|“||[t]he probability that a biometric system will fail to identify an applicant, or verify the legitimate claimed identity of an applicant.||”|
|“||[a] statistic used to measure biometric performance when operating in the verification task. [It is t]he percentage of times the system produces a false reject. . . . Example: John claims to be John, but the system incorrectly denies the claim.||”|
- ↑ NIST, FIPS 201.
- ↑ Biometrics Identity Management Agency, Biometrics Glossary, at 28 (Ver. 5) (Oct. 2010) (full-text).