Noncontact Palm Vein ROI Extraction Based on Improved Lightweight HRnet in Complex Backgrounds

Table 6

The impact of different ROI sizes on palm vein recognition results.

Size of ROI	Performance (EER)	FNMR (FMR: 1%)	FNMR (FMR: 0.1%)	FNMR (FMR: 0.01%)
256 × 256	0.000362%	0.000000%	0.000000%	0.000001%
128 × 128	0.164162%	0.274622%	0.867673%	3.621233%
64 × 64	1.112907%	3.762512%	9.037083%	26.743207%