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Neural Networks with Keras Cookbook

You're reading from   Neural Networks with Keras Cookbook Over 70 recipes leveraging deep learning techniques across image, text, audio, and game bots

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Product type Paperback
Published in Feb 2019
Publisher Packt
ISBN-13 9781789346640
Length 568 pages
Edition 1st Edition
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Authors (2):
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V Kishore Ayyadevara V Kishore Ayyadevara
Author Profile Icon V Kishore Ayyadevara
V Kishore Ayyadevara
Srinivas Pradeep Srinivas Pradeep
Author Profile Icon Srinivas Pradeep
Srinivas Pradeep
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Toc

Table of Contents (18) Chapters Close

Preface 1. Building a Feedforward Neural Network 2. Building a Deep Feedforward Neural Network FREE CHAPTER 3. Applications of Deep Feedforward Neural Networks 4. Building a Deep Convolutional Neural Network 5. Transfer Learning 6. Detecting and Localizing Objects in Images 7. Image Analysis Applications in Self-Driving Cars 8. Image Generation 9. Encoding Inputs 10. Text Analysis Using Word Vectors 11. Building a Recurrent Neural Network 12. Applications of a Many-to-One Architecture RNN 13. Sequence-to-Sequence Learning 14. End-to-End Learning 15. Audio Analysis 16. Reinforcement Learning 17. Other Books You May Enjoy

Reinforcement Learning

In the previous chapters, we learned about mapping input to a target—where, the input and output values are provided. In this chapter, we will be learning about reinforcement learning, where the objective that we want to achieve and the environment that we operate in are provided, but not any input or output mapping. The way in which reinforcement learning works is that we generate input values (the state in which the agent is) and the corresponding output values (the reward the agent achieves for taking certain actions in a state) by taking random actions at the start and gradually learning from the generated input data (actions in a state) and output values (rewards achieved by taking certain actions).

In this chapter, we will cover the following:

  • The optimal action to take in a simulated game with a non-negative reward
  • The optimal action to take...
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