Hugh Pickens writes writes: "Francie Diep writes that Oleg Komogortsev, a computer scientist at Texas State University-San Marco, thinks that eye movements could be part of the next generation of biometrics used in conjunction with iris scans, which are already used in some airports and private companies and is looking to create a system that can identify people by the way they flicker their eyes while looking at a computer screen. Komogortsev's system records eye movements and analyzes two features: fixations, the times when people linger their gaze over a point on screen and saccades, the swift movements the eye makes when it flies between points. From those movements, the system calculates unique properties about people's eyes, including the force their eye muscles use and other properties about the fat and flesh around the eye and the eyeball itself. Further in the future, eye-movement scans could also help security officials determine if someone is ill or emotionally distressed, conditions that can affect eye movements according to some research, Komogortsev says. "Do we want to accept people into, let's say, some secure facility, if they are emotionally unstable?" Researchers have already showed that hackers can fool an iris scanner by holding up a high-quality printout of the correct person's eye in front of the scanner."
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