Eli5 – What makes self driving so hard?

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On one hand I understand that it is a monumental advance in technology.

On the other hand a computer can recognize a unique face from pretty far.

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15 Answers

Anonymous 0 Comments

First, You have to have the hardware to be able to see and interpret your environment. Basically, you need to be able to perceive where the road is and where a tree is. You need a way to tell if a car is coming at you and a way to recognize a pedestrian. You need to see road lines and you need to read signs to figure out speed or other info. Or have some other way to get that info in real time.

Then you need the software to take all those inputs from your sensors and actually figure out what they mean. Your software must be able to make the correct decisions day and night, in the sun, rain or snow. It needs to be able to adapt to both the rules of the road and to human drivers that don’t always follow those rules. It needs to be able figure out that a stop sign means stop… But a picture of a stop sign on a billboard next to the road is irrelevant. It needs to understand that a grocery bag blowing across the road cannot mean slam on the brakes, but an animal should. It needs to know that it must slow down for bicycles, but a bicycle on the back of a car is actually part of that car.

And a billion other wierd random things.

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