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

Table 8

Attacking user 1 with user 2.

Attack 1 with 2		1	2	3	4	5	6
		401	472	457	512	468	674
1	1141	0.5476	0.4476	0.4679	0.3956	0.4529	0.2181
2	1143	0.5506	0.4502	0.4706	0.3982	0.4556	0.22
3	923	0.2725	0.2034	0.2172	0.1689	0.207	0.062
4	876	0.2256	0.1632	0.1756	0.1325	0.1665	0.0408
5	849	0.2007	0.1421	0.1537	0.1136	0.1452	0.0306
6	1380	0.9584	0.8245	0.8519	0.7534	0.8317	0.4984