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Cumulative match characteristic

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Definition Edit

The cumulative match characteristic (CMC) is

[a] method of showing measured accuracy performance of a biometric system operating in the closed-set identification task. Templates are compared and ranked based on their similarity. The CMC shows how often the biometric subject template appears in the ranks (1, 5, 10, 100, etc.), based on the match rate. A CMC compares the rank (1, 5, 10, 100, etc.) versus identification rate.[1]

References Edit

  1. Biometrics Identity Management Agency, Biometrics Glossary, at 19 (Ver. 5) (Oct. 2010) (full-text).

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