Towards Effective Behavioural Biometrics for Mobile Devices
Michael Bingham · 2016
4.1Cartesian coordinates of touch points . . . . . . . . . . . . . .39 4.2 Acceleration along the x axis . . . . . . . . . . . . . . . . . . .40 4.3 Rotational velocity (gyroscopic readings) along the x axis . . .41 6.1 ROC curve comparing three versions of the algorithm for random data in the first study . . . . . . . . . . . . . . . . . . . .73 6.2 ROC curve comparing three versions of the algorithm for imitation data in the first study . . . . . . . . . . . . . . . . . . .74 6.3 ROC curve comparing three versions of the algorithm for random data in the second study . . . . . . . . . . . . . . . . . .75 6.4 ROC curve comparing three versions of the algorithm for imitation data in the second study . . . . . . . . . . . . . . . . .76 6.5 ROC curve comparing three versions of the algorithm for imitation data . . . . . . . . . . . . . . . . . . . . . . . . . . . .77 6.6 ROC curve comparing three versions of the algorithm for random data . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78 6.7 ROC curve comparing version 1 for two different attacker datasets 80 6.8 ROC curve comparing version 2 for two different attacker datasets 80 6.9 ROC curve comparing version 3 for two different attacker datasets 81 6.10 Comparison of input times to enter a swipe vs a PIN . . . . .83 6.11 Box plot showing the average and standard deviations of Likertscale responses . . . . . . . . .