Who Is Using the Phone? Representation-Learning-Based Continuous Authentication on Smartphones

<div>Button position distribution of 10 user data. Take the lower-left corner of the screen as the coordinates (0, 0). (a) Position distribution of “a” and (b) position distribution of “p.”</div>

Security and Communication Networks

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Figure 2

Figure 2: Who Is Using the Phone? Representation-Learning-Based Continuous Authentication on Smartphones 