Self-Driving Cars to Detect Potential Threats in Advance

Self-Driving-Cars -Detect -Threats-in-Advance

Researchers have developed a new wound warning system for vehicles that use artificial intelligence for learning from thousands of real traffic situations.  The system study was conducted in cooperation with the BMW Group.  The results indicate that if used in today’s self-driving vehicles, it can warn seven seconds in advance of the potentially critical situations that cars cannot handle alone – with over 85% accuracy.

Self-driving cars may be good in the future. Yet, their development efforts often rely on the sophisticated models aimed at giving cars the possibility of analyzing all participants in traffic.  But what happens if models are not yet capable of dealing with some compound or unforeseen situations?

Thanks to artificial intelligence (AI), the system can learn from past situations and experiences where self-driving test vehicles are pushed to their real-world road traffic limits. Cases where a human driver takes over—either because the car signals the need for an intervention or because the driver chooses to intervene for safety reasons-are real-world scenarios.

The technology uses cameras and sensors to capture the surrounding conditions and status data for vehicle recording such as steering wheel, road conditions, time, speed, and visibility.  Based on a recurrent neural network (RNN), AI is used to identify data patterns. Suppose the system spots a pattern in a new driving situation that the control system was unable to handle in the past. In that case, an advance warning will be given to the driver during a possible critical situation.

Researchers tested the technology with BMW groups and its autonomous development vehicles on Public roads and analyzed about 2500 situations in which the driver had to intervene.  The study showed that AI could predict potentially critical situations with better than 85 percent of accuracy – up to seven seconds before they appear.

For the technology to work at its full potential, large quantities of data are needed. Besides, AI can only recognize and predict experiences within the system if the situations were previously seen. With a large number of development vehicles on the road, the data was practically generated.  Each time a potentially critical situation appeared on the test drive, they end up with a new training example.  Central data storage allows all vehicles to learn from all data recorded throughout the fleet.


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