Teaching a Neural Network How to Drive a Car
In this video, you can watch a simple neural network learn how to navigate a video game race track. The program doesn’t know how to turn at first, but the car that got the furthest in the first race (out of 650 competitors) is then used as the seed for the next generation. The winning cars from each generation are used to seed the next race until a few of them make it all the way around the track in just the 4th generation.
I think one of the reason I find neural network training so fascinating is that you can observe, in a very simple and understandable way, the basic method by which all life on Earth evolved the ability to do things like move, see, swim, digest food, echolocate, grasp objects, and use tools. (via dunstan)
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