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> Modelling and tracking other cars is a bigger issue

Aren't there very reliable ways to model other cars? Something as big as a car can't move very unpredictably in a millisecond-to-millisecond basis. And at the end of the day, all you need to do is be able to model the behavior of your car.

If car in front of me starts to swerve over on a collision course with my car, my car can note the probability of a collision a long (computer-long) time before it really needs to do anything about it. Knowing full-well its own braking, swerving and acceleration capabilities at any given speed, it should be able to know when it _must_ take action to avoid the actions of another, and it doesn't even have to rely on reaction time.

No, I think the real problem here is for cars to do things like understand _context_ of a situation, like, for instance, how can it tell that there's a bus in front of me turning around that's going to be clear of my way in a moment vs. a tree that's been felled? That's something that computers are and will probably continue to be terrible at until they can closely mimic the capabilities of the human brain.



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