AVs should look down for the ground-penetrating down-low


Boston startup WaveSense uses a downward pointing radar sensor to read a “subterranean geographical fingerprint” comprising rocks, roots, soil density, and infrastructure hardware to help autonomous vehicles determine their location. WaveSense believes the technology will be cost-effective enough to provide a secondary positioning reference when poor weather impacts GPS and vision-based systems.

Whether or not using underground features for navigation ends up being practical or necessary, the concept is neat.


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