That's not what he's arguing, he arguing to make use of point clouds to reliably attach a velocity and identity to an object (especially stationary ones) as opposed to points you need still neural nets just like you do for camera vision. So that is a problem you have to solve even if you use lidar. It is not like what a lot of people seem to assume that the raw data automatically spits out a unique id for an object for every point (thus basically you can trivally tell which group of points is a single "object" and which is a separate one).@drtimhill, if point cloud data isn't helpful then why is Tesla working on a NN to generate a point cloud from camera data?
Radar has an easier time with doppler shift, where it can filter out a lot of objects it would not be interested in (basically how ACC has worked for a long time), but for more advanced applications like imaging radar (and also if you want to classify stationary objects too, instead of only moving ones), it'll still need to use some form of machine learning.
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