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In tests on volunteers wearing infrared eye-tracking glasses, his team found that their software could count the number of words read with an accuracy of about 94 per cent, and tell how fast you were reading, purely by looking at the movement of the eyes.
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Kunze is taking the technology in a different direction.
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Crucially, the low price puts eye-tracking systems within everyone’s reach, says Ralf Biedert, Tobii’s chief interaction researcher, based in Stockholm. This will allow in-game characters to react to the player’s gaze, adding a spooky level of realism to first-person shooters. This year Tobii will launch its first consumer eye-tracking system for video games, in conjunction with gaming headset maker SteelSeries of Copenhagen, Denmark. ∾ye-tracking cameras can be built into a headset, such as Google Glass, or clipped to your screen These cameras can be built into a headset, such as Google Glass, or clipped to the top of a computer screen or tablet. It has developed a $99 system that uses infrared cameras trained on the cornea to watch for the eyeball’s movements. Swedish firm Tobii Technology is leading the way in commercialising the technology. Such detail about what we look at, whether on a screen or on paper, is being made possible by the emergence of gaze-trackers – devices that monitor our eyes to analyse where we are looking.