Nathan Twyman at the Missouri University of Science and Technology has created an automated screening kiosk designed to enhance safety at airports and border crossings.
The kiosk uses an algorithm of "yes" or "no" questions delivered by a computer-generated avatar to quickly assess the potential threats passengers may pose to others.
The kiosk has an infrared camera that scans a subject's eye movement and pupil dilation, while a video camera captures natural reactions to feeling threatened, such as body and facial rigidity. A microphone records vocal data, listening for changes in pitch that accompany uncertainty.
The screening kiosk "measures various psychophysiological responses and tries to make some sort of a risk assessment outcome," Twyman says. "It's an automated risk assessment, instead of a seat-of-your-pants risk assessment."
After several field tests, Twyman's research group is in talks with the government of Singapore to implement the kiosks at one of its border crossings.
From Missouri S&T News
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