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

Table 1

Comparison of various Score normalization algorithm.

Sl. No	Fusion rule	Distribution retainment	Outlier sensitiveness	Common range mapping
1	Min fusion	Yes	Yes	Yes
2	Max fusion	Yes	Yes	Yes
3	Mean fusion	No	Yes	No
4	Median fusion	No	No	No
5	Sum fusion	Yes	Yes	Yes
6	Tanh fusion	No	No	No
7	Product fusion	No	No	Yes