Biometric

Performance assessment metrics for biometric identification

Performance assessment metrics for biometric identification
  1. What is a performance metrics for biometric systems?
  2. What metric is the best way to evaluate the performance of a biometric authentication system?
  3. How is biometric accuracy measured?

What is a performance metrics for biometric systems?

Performance measures in biometrics define quantifiable assessments of the processing speed, recognition accuracy, and other functional characteristics of a biometric algorithm or system.

What metric is the best way to evaluate the performance of a biometric authentication system?

The performance measurements of a biometric system are closely tied to False Reject Rate (FRR) and False Accept Rate (FAR). FRR is also known as Type-I error or False Non Match Rate (FNMR) which states the likelihood of a legitimate user being rejected by the system.

How is biometric accuracy measured?

Accuracy of biometric systems

Three metrics are used to judge biometric accuracy: the false reject rate (FRR), the false accept rate (FAR), and the crossover error rate (CER).

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