Research Article
Research and Development of Palmprint Authentication System Based on Android Smartphones
| | Parameter | Definition |
| | FP (false positive) | The number of imposter acceptances | | TN (true negative) | The number of imposter rejections | | FN (false negative) | The number of legitimate rejections | | TP (true positive) | The number of legitimate acceptances | | AA (authentication accuracy) | AA = (TP + TP)/(TP + FP + TN + FN) | | FAR (false acceptance rate) | FAR = FP/(TN + FP) | | FRR (false rejection rate) | FRR = FN/(TP + FN) | | EER (equal error rate) | Equates to the point at which the FAR and FRR cross | | D1 | Interval length of the intraclass hamming distance distribution | | D2 | Interval length of the interclass hamming distance distribution | | Dis | The distance from the upper bound of D1 to the lower bound of D2 | | L1 | Dis/D1 | | L2 | Dis/D2 |
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