Imperial College Researchers Develop $60 Hands-Free Device; Write Emails With Eyes

There are millions of people around the world, who due to disability of one kind or other are incapable of operating the computer. As a measure to this issue, Researchers from Imperial College, London have developed an eye-tracking device that can be used to interact with the computers and surroundings "hands-free." While the technology isn't new, it sure is cheaper than its counterparts, costing just $60.

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The crux of this device is its eye-tracking device paired with "smart" software. The GT3D device is built of two fast video game console cameras that are attached to the outside of a pair of glasses. As a demonstration of their technique, they got a group of people to play Pong on a computer using their eye. Here the movement of the eye led the bat to hit the bouncing ball. Other features include, browsing the web and checking e-mails "hands-free". The device is also capable of transmitting data wirelessly over Wi-Fi or via USB into any Windows or Linux computer using just one watt of power.

The device is controlled entirely by eye movement, including mouse-clicks which are commanded by a wink. Currently this technology helps in accomplishing small tasks, but has huge potential in future. As the device is able to gauge the distance a person is looking at along with the direction, it can be used to develop smart systems for controlling the wheelchair.



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