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Python Deep Learning

You're reading from   Python Deep Learning Next generation techniques to revolutionize computer vision, AI, speech and data analysis

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786464453
Length 406 pages
Edition 1st Edition
Languages
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Authors (4):
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Peter Roelants Peter Roelants
Author Profile Icon Peter Roelants
Peter Roelants
Daniel Slater Daniel Slater
Author Profile Icon Daniel Slater
Daniel Slater
Valentino Zocca Valentino Zocca
Author Profile Icon Valentino Zocca
Valentino Zocca
Gianmario Spacagna Gianmario Spacagna
Author Profile Icon Gianmario Spacagna
Gianmario Spacagna
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Toc

Table of Contents (12) Chapters Close

Preface 1. Machine Learning – An Introduction FREE CHAPTER 2. Neural Networks 3. Deep Learning Fundamentals 4. Unsupervised Feature Learning 5. Image Recognition 6. Recurrent Neural Networks and Language Models 7. Deep Learning for Board Games 8. Deep Learning for Computer Games 9. Anomaly Detection 10. Building a Production-Ready Intrusion Detection System Index

Fundamentals

In the first chapter, we talked about three different approaches to machine learning: supervised learning, unsupervised learning, and reinforcement learning. Classical neural networks are a type of supervised machine learning, though we will see later that deep learning popularity is instead due to the fact that modern deep neural networks can be used in unsupervised learning tasks as well. In the next chapter, we will highlight the main differences between classical shallow neural networks and deep neural nets. For now, however, we will mainly concentrate on classical feed-forward networks that work in a supervised way. Our first question is, what exactly is a neural network? Probably the best way to interpret a neural network is to describe it as a mathematical model for information processing. While this may seem rather vague, it will become much clearer in the next chapters. A neural net is not a fixed program, but rather a model, a system that processes information, or...

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