Performance Improvement of Multibiometric Authentication System Using Score Level Fusion with Ant Colony Optimization

Table 2

Fusion of face, left iris.

Th	FAR (%)	FRR (%)
0.8	0.2	23.95
0.9	0.4	21.25
1.0	1.3	18.11
1.1	2.8	15.74
1.2	4.3	13.16
1.3	6.4	11.02
1.4	9.8	7.19
1.5	11.7	4.83
1.6	14.0	3.14
1.7	16.1	1.46
1.8	18.9	0.44
1.9	21.3	0.22