An ROI Extraction Method of Finger Vein Images Based on Large Receptive Field Gradient Operator for Accurate Localization of Joint Cavity

Table 2

EER values obtained by operators of different sizes.

Height	Width
	3	5	7	9	11	13	15	17	19
3	3.048	2.981	2.879	3.099	3.015	3.015	2.879	2.879	2.879
4	2.933	2.893	2.870	2.982	3.014	3.014	2.911	2.913	2.879
5	3.013	3.014	2.879	2.981	2.913	2.913	2.913	2.879	2.879
6	3.048	3.048	2.811	2.947	3.014	2.913	2.947	2.913	2.913
7	2.981	2.947	2.839	2.981	2.947	2.879	2.879	2.947	2.947
8	2.981	3.082	2.851	2.981	2.947	2.879	2.913	2.913	2.913
9	3.048	2.981	3.014	2.981	2.879	2.828	2.845	2.879	2.913
10	3.048	3.014	2.913	3.014	2.981	2.947	2.913	2.879	2.913
11	2.981	2.964	2.879	3.014	3.014	2.947	2.913	2.913	2.879
12	3.150	3.014	3.014	3.014	2.981	2.947	2.947	2.879	2.913
13	3.014	3.048	2.947	3.082	3.082	2.981	2.981	2.879	2.879
14	2.981	3.048	2.879	2.981	3.014	2.981	2.947	2.913	2.913
15	2.947	3.014	2.913	3.082	3.082	3.014	2.947	2.913	2.879

This is the lowest EER and represents the best matching performance. We have added additional descriptions in the paper.