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Smarter, Safer Cars

Engineers Design Vehicle System that Learns Drivers' Behaviors and Warns Them of Dangerous Situations

January 1, 2010

Engineers developed a system that allows a vehicle to learn from its driver's behaviors. Two infrared cameras mounted outside the vehicle are connected to a micro-chip in the car's engine. These elements develop an understanding that allows the device to detect unusual variations in the driver's behavior. For example, during nighttime driving, if the system detects a change in how a driver approaches an oncoming curve, the vehicle can interpret this and alarm the driver of this potentially dangerous behavior. The cameras can also detect obstacles or pedestrians not usually visible with headlamps alone and sound an alarm to the driver.

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Science Insider

MACHINE LEARNING: A car that interprets the behavior of its driver and can offer alerts about when that driver seems to be inattentive or impaired is an example of machine learning. Typically, this concept refers to a computer that can gather and interpret data via an algorithm and then improve the performance over time. Many consider machine learning an attempt to automate the scientific method. If a well-programmed machine encounters enough examples it will begin to recognize certain patterns and be able to identify patterns or diagnose problems. Machine learning algorithms are used in everything from computer vision to search engines, and credit card fraud detection to handwriting recognition.

AVOIDING ACCIDENTS AT NIGHT: Driving in the dark can be dangerous. According to the European Car Council, 42% of accidents occur at night, despite the fact that traffic is much higher in the daytime. Reduced visibility is a large factor. After classifying a driver and learning the methods used to approach curves, the new system can alert a driver acting abnormally. If the driver changed behavior because of visibility, the new system will have warned the driver and allowed him or her to correct the speed and direction of the car, with the aim of avoiding accidents.

The Institute of Electrical and Electronics Engineers, Inc.-USA, contributed to the information contained in the TV portion of this report.

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More information on this story

To Go Inside This Science:
Prof. Eduardo Ros
Departamento de Arquitectura y Tecnologia de Computadores,
E.T.S.I. Informatica,
Universidad de Granada, Spain
Phone: +34 958 240461 (Science School)
eduardo@atc.ugr.es

Institute of Electrical and Electronics Engineers, Inc.
IEEE
IEEE-USA
Pender McCarter
p.mccarter@ieee.org


© 2010 American Institute of Physics