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Deep Learning with TensorFlow 2 and Keras

You're reading from   Deep Learning with TensorFlow 2 and Keras Regression, ConvNets, GANs, RNNs, NLP, and more with TensorFlow 2 and the Keras API

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Product type Paperback
Published in Dec 2019
Publisher Packt
ISBN-13 9781838823412
Length 646 pages
Edition 2nd Edition
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Authors (3):
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Dr. Amita Kapoor Dr. Amita Kapoor
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Dr. Amita Kapoor
Sujit Pal Sujit Pal
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Sujit Pal
Antonio Gulli Antonio Gulli
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Antonio Gulli
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Table of Contents (19) Chapters Close

Preface 1. Neural Network Foundations with TensorFlow 2.0 2. TensorFlow 1.x and 2.x FREE CHAPTER 3. Regression 4. Convolutional Neural Networks 5. Advanced Convolutional Neural Networks 6. Generative Adversarial Networks 7. Word Embeddings 8. Recurrent Neural Networks 9. Autoencoders 10. Unsupervised Learning 11. Reinforcement Learning 12. TensorFlow and Cloud 13. TensorFlow for Mobile and IoT and TensorFlow.js 14. An introduction to AutoML 15. The Math Behind Deep Learning 16. Tensor Processing Unit 17. Other Books You May Enjoy
18. Index

Understanding TensorFlow 2.x

As discussed, TensorFlow 2.x recommends using a high-level API such as tf.keras, but leaves low-level APIs typical of TensorFlow 1.x for when there is a need to have more control on internal details. tf.keras and TensorFlow 2.x come with some great benefits. Let's review them.

Eager execution

TensorFlow 1.x defines static computational graphs. This type of declarative programming might be confusing for many people. However, Python is typically more dynamic. So, following the Python spirit, PyTorch, another popular deep learning package, defines things in a more imperative and dynamic way: you still have a graph, but you can define, change, and execute nodes on-the-fly, with no special session interfaces or placeholders. This is what is called eager execution, meaning that the model definitions are dynamic, and the execution is immediate. Graphs and sessions should be considered as implementation details.

Both PyTorch and TensorFlow 2 styles...

You have been reading a chapter from
Deep Learning with TensorFlow 2 and Keras - Second Edition
Published in: Dec 2019
Publisher: Packt
ISBN-13: 9781838823412
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