Research Article

Feature Extraction of Sequence of Keystrokes in Fixed Text Using the Multivariate Hawkes Process

Table 1

The classification effect with false alarm rate = 5%.

UserCMU raw data scaled ManhattanPOHMMHawkes feature scaled ManhattanHawkes feature Euclidean

s0020.1900.3150.2450.125
0.2910.1400.3540.436

s0320.2400.2200.150.080
0.3140.4280.5740.549

s0360.00.0350.0650.165
0.00.00.0110.0

s0470.0850.050.230.115
0.4750.1210.3310.125

s0520.020.0250.1350.371
0.00.0020.4910.344