Japan Banks On 3d Mapping Deemed Crucial For Driverless Cars

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Technology companies are racing to develop ultra-precise digital maps that can guide self-driving cars within inches of where they should be — a hurdle the industry needs to clear if it hopes to deliver on its promise of widespread use of driverless vehicles.

Japan’s government is backing a three-dimensional mapping system developed by Mitsubishi Electric Corp. that includes a wealth of details such as trees and pedestrians. It promises to be off by no more than 25 centimeters (9.8 inches).

That would be a big improvement over satellite-based GPS, which is used by ships, aircraft and increasingly by drivers or on mobile phones but can be off by up to 20 meters (65 feet).




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