Allegiant: Science vs Fiction – Discovery News

Those hovering companion drones end up playing a key role in “Allegiant” and the filmmakers make a point to showcase the futuristic technology. Without giving too much away, the final scenes follow Tris on a kind of one-woman quest to save the day. Or, more accurately, a one-woman-and-a-drone quest.

To control the little helper drone buzzing around her head, Tris uses a form of gesture control in which she manipulates the robot’s flight path by wordlessly pointing and indicating actions with her free hand.

Gesture recognition is a very busy area of research in computer science, and it’s only going to get busier with emerging developments in virtual reality and wearable technology. Existing gesture control systems track motion using external cameras or sometimes wearable devices, like the Gest glove, pictured above.

Just this week, researchers at the University of Washington announced a fundamentally new kind of gesture control system. The team’s FingerIO technology turns any standard smartphone or smartwatch nto an active sonar system, using the device’s speaker and microphone to track finder movements with inaudible sounds waves.

Tiny Radar Chip Gives Devices Gesture Control

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