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

Because driving is extremely situational, so many things happen at the same time and the computer needs to be able to recognize each and every single one of them and act accordingly. **Our** automated response is quite good thanks for millions of years of training, that made us pretty good drivers over all, but computers don’t have such a thing.

The sheer amount of data and variables a car has to consider is astounding, some of which don’t even have a clear answer. Imagine you see a car coming directly towards you, counter traffic flow, you would swerve to the left, but the left’s counter traffic for **you**, but to the right is a car coming in traffic wise at 100 km/h, that’s not do much an if-then-else response, but rather a decision, each situation has nuance that you have to consider, good fast each factor is going, how much room and time you have to maneuver, what are the road markings and sections, how much of a priority is it to stick to them, a car has to ponder evasive maneuvers into counter traffic lanes, or passing maneuvers, against not entering counter traffic lands. How do you make a computer that literally **knows** which of those to do in each situation.

It’s a very complex situation and the few moments when breaking some rules is granted, you have to know which ones to break, and imparting that kind of nuance in a computer is amazingly complex

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