Table 3 Extracted features in keystroke dynamics
Reference | Extracted features |
|---|---|
Montalvao et al. [37] | DD |
DD with equalization | |
Giot et al. [17] | UU, DD, UD, DU2 |
Giot et al. [19] | UU, DD, UD, DU2 and total typing time |
Killourhy and Maxion [30] | DU1, UD |
Rodrigues et al. [43] | UD, DU1 |
UD, DU1, UU, DD | |
Hosseinzadeh and Krishnan [24] | DU1 |
DD | |
UU | |
UU, DD | |
DU1, DD | |
DU1, UU | |
DU1, UU, DD | |
Killourhy and Maxion [31] | DU1, DD, UD |
DU1, DD | |
DU1, UD | |
Bartlow and Cukic [3] | DU1, UD (average, standard deviation, sum, minimum and maximum), including the Shift key |
Chang [9] | DU1, UD |
Montalvao Filho and Freire [14] | DD |
DD with equalization | |
Gunetti and Piccardi [22] | DU1, UD |
Monrose and Rubin [36] | DU1, UD |
Yu e Cho [48] | DU1, UD |
Giot et al. [20] | UU, DD, UD, DU1 |
Chang et al. [8] | DU1, UD, DD, pressure |
Killourhy and Maxion [32] | DU1, DD |