The Potential of Using Brain Images for Authentication

Table 1

The true acceptance rates and false rejection rates with different threshold values.

(a) OAS1

Threshold value	True acceptance rate	False rejection rate
68	99.814%	5.31%
69	99.938%	5.76%
70	99.984%	6.17%
71	99.999%	6.70%
72	99.999%	7.32%

(b) OAS2

Threshold value	True acceptance rate	False rejection rate
68	98.771%	0.73%
69	99.671%	0.77%
70	99.926%	1.02%
71	99.994%	1.57%
72	100.000%	2.82%