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Using the ROC Curve - • Useful when two or more matchers...

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Using the ROC Curve • The ROC curve provides a complete specification of a single biometric matcher performance. • ROC shows a trade-off between FAR and FRR over a broad range of thresholds.
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Unformatted text preview: • Useful when two or more matchers have to be compared. • Given two matchers A and B, which one is more accurate? • The performance of matcher depends on its operational point....
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