MIT tech lets self-driving cars “see” under surface of road

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In poor visibility, your car could look for landmarks — under the surface of the road.

 MIT is working on self-driving technology that allows cars to “see” through the ground up to a depth of ten feet below the surface of the road. The idea is to allow self-driving cars to figure out exactly where they are — especially when snow, heavy fog, or other bad weather obscures road markings.

Current-generation self-driving cars typically rely on cameras and light detection sensors (LIDAR) to position themselves on roadways. But once the snow starts falling and covers up lane markers, it can get tricky for the car to tell where it is — and that could spell disaster, especially at highway speeds.

A team at MIT’s Computer Science and Artificial Intelligence Lab have come up with a new system they call “Localizing Ground Penetrating Radar” (LGPR) that can create a real-time map of the ground below the road’s surface.

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