Imagine your car waking you up when you fall asleep behind the wheel. It may sound too good to be true, but scientists claim to have developed an eye tracking device which keeps drowsy drivers alert.
Imagine your car waking you up when you fall asleep behind the wheel. It may sound too good to be true, but scientists claim to have developed an eye tracking device which keeps drowsy drivers alert.
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A team at the Fraunhofer Institute for Digital Media Technology in Ilmenau, Germany, has developed such a device that has built-in sensors which sound an alarm the moment they detect the driver's eyelids have closed. Called the Eyetracker, the device costs one-tenth the price of similar devices, according to Fraunhofer developer Peter Husar.
"With conventional systems, every person whose line of vision is to be monitored has to complete more or less time-consuming preparations. Because every head, every face, every pair of eyes is different. "What we have developed is a small modular system with its own hardware and programmes on board, so that the line of vision is computed directly within the camera itself.
"Since the Eyetracker is fitted with at least two cameras that record images stereoscopically, the system can easily identify the spatial position of the pupil and the line of vision," Husar was quoted by the German media as saying. In fact, the information is fed out to the device via a standard interface. And, the Eyetracker can be connected directly to the car's trip computer.
The device's in-built cameras evaluate 200 images per second to identify the line of vision of the driver, even when one moves one's head to the left or right.
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