Enhancing Accuracy in a Touch Operation Biometric System: A Case on the Android Pattern Lock Scheme

Table 12

H₂/H_o2 two-feature summary table showing decreased accuracy.

User	Control (simple password)			Experiment (complex password)
	FAR (%)	FRR (%)	Accuracy (%)	FAR (%)	FRR (%)	Accuracy (%)
1	20	43	58	33	85	18
2	27	39	62	20	71	31
3	13	32	69	13	16	84
4	20	54	48	20	9	91
5	20	22	83	20	55	47
6	13	11	94	20	27	73
7	27	36	65	20	32	69
8	20	34	67	20	60	43
Avg.	20	34	68	21	44	57