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%.
| User | CMU raw data scaled Manhattan | POHMM | Hawkes feature scaled Manhattan | Hawkes feature Euclidean |
| s002 | 0.190 | 0.315 | 0.245 | 0.125 | 0.291 | 0.140 | 0.354 | 0.436 |
| s032 | 0.240 | 0.220 | 0.15 | 0.080 | 0.314 | 0.428 | 0.574 | 0.549 |
| s036 | 0.0 | 0.035 | 0.065 | 0.165 | 0.0 | 0.0 | 0.011 | 0.0 |
| s047 | 0.085 | 0.05 | 0.23 | 0.115 | 0.475 | 0.121 | 0.331 | 0.125 |
| s052 | 0.02 | 0.025 | 0.135 | 0.371 | 0.0 | 0.002 | 0.491 | 0.344 |
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