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Learn Unity ML-Agents ??? Fundamentals of Unity Machine Learning

You're reading from   Learn Unity ML-Agents ??? Fundamentals of Unity Machine Learning Incorporate new powerful ML algorithms such as Deep Reinforcement Learning for games

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Product type Paperback
Published in Jun 2018
Publisher Packt
ISBN-13 9781789138139
Length 204 pages
Edition 1st Edition
Languages
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Author (1):
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Micheal Lanham Micheal Lanham
Author Profile Icon Micheal Lanham
Micheal Lanham
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Neural network foundations

Neural networks provide the foundations for some of the most impressive AI/ML algorithms that we have seen in recent years. They have also become the cornerstone or standard for several areas of AI, from image and speech recognition to playing Atari games. This sounds really intimidating, but actually, a neural network is a quite a simple and elegant structure modeled after our own human brain. The foundation of our brain and nervous system is a single neuron, shown in the following image beside a simulated computer neuron:



A neuron

The simulated neuron in the preceding diagram represents the structure of a single neuron. The inputs, or signals, into the neuron are typically summed and then evaluated against some form of activation function. You can see an example activation function in the diagram. When a neuron is activated, or fired, it sends out...

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