Table 3.

The ablation study of the online augmentation method.

No.	BJ.	HS.	LS.	EER	FRR@ FAR = 0.1%	FRR@ FAR = 0.01%
1	×	×	×	2.80%	9.46%	17.05%
2	√	×	×	2.64%	8.00%	14.86%
3	×	√	×	2.50%	8.89%	16.83%
4	×	×	√	2.71%	9.30%	17.43%
5	×	√	√	2.36%	7.84%	16.16%
6	√	×	√	2.50%	6.48%	14.41%
7	√	√	×	2.36%	7.84%	14.48%
8	√	√	√	2.27%	6.06%	13.97%

BJ., HS., and LS. stand for the brightness jitter, horizontal shift, and longitudinal scaling.