Spatial Circular Granulation Method Based on Multimodal Finger Feature

Table 1

Matching results of different levels FGs.

Granular level	Matching performance
	EER (%)	Matching time (s)	Recognition rate (%)
One-layer	0.853	0.257	99.15
Two-layer	2.230	0.074	97.77
Three-layer	3.408	0.028	96.59