These user-defined touch areas provide complete control over the entire active area of a touch screen overlay and no longer limit input to the display GUI.

The authors investigate whether a classifier can continuously authenticate users based on the way they interact with the touch screen of a smart phone.

A touch screen works as both an input and an output device. You view the options available to you on the screen (output) and use your finger to touch the option you want (input). A touch-sensitive ...