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UltraSanetoday at 9:25 AM1 replyview on HN

Lidar is critical for any autonomous vehicle. It turns out a very accurate 3D point cloud of the environment is very useful for self driving. Crazy, I know.


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servo_sausagetoday at 9:53 AM

Useful but not at all required. Camera + radar is sufficient for driving, and camera+ USS is fine for parking.

Radar is just cheaper than the number of cameras and compute, it's also not really a strict requirement.

Look at how the current cars fuck up, it's mostly navigation, context understanding, and tight manoeuvres. Lidar gives you very little in these areas

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