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Deep Learning with TensorFlow 2 and Keras
Deep Learning with TensorFlow 2 and Keras

Deep Learning with TensorFlow 2 and Keras: Regression, ConvNets, GANs, RNNs, NLP, and more with TensorFlow 2 and the Keras API , Second Edition

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Profile Icon Antonio Gulli Profile Icon Amita Kapoor Profile Icon Sujit Pal
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Full star icon Full star icon Full star icon Full star icon Half star icon 4.3 (26 Ratings)
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Arrow left icon
Profile Icon Antonio Gulli Profile Icon Amita Kapoor Profile Icon Sujit Pal
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₹3276.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.3 (26 Ratings)
Paperback Dec 2019 646 pages 2nd Edition
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₹799.99 ₹2621.99
Paperback
₹3276.99
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Renews at ₹800p/m
eBook
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Deep Learning with TensorFlow 2 and Keras

TensorFlow 1.x and 2.x

The intent of this chapter is to explain the differences between TensorFlow 1.x and TensorFlow 2.0. We'll start by reviewing the traditional programming paradigm for 1.x and then we'll move on to all the new features and paradigms available in 2.x.

Understanding TensorFlow 1.x

It is generally the tradition that the first program one learns to write in any computer language is "hello world." We maintain the convention in this book! Let's begin with a Hello World program:

import tensorflow as tf
message = tf.constant('Welcome to the exciting world of Deep Neural Networks!')
with tf.Session() as sess:
    print(sess.run(message).decode())

Let us go in depth into this simple code. The first line imports tensorflow. The second line defines the message using tf.constant. The third line defines the Session() using with, and the fourth runs the session using run(). Note that this tells us that the result is a "byte string." In order to remove string quotes and b (for byte) we use the method decode().

TensorFlow 1.x computational graph program structure

TensorFlow 1.x is unlike other programming languages. We first need to build a blueprint of whatever neural network we want...

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...

The TensorFlow 2.x ecosystem

Today, TensorFlow 2.x is a rich learning ecosystem where, in addition to the core learning engine, there is a large collection of tools that can be freely used. In particular:

Keras or tf.keras?

Another legitimate question is whether you should use Keras with TensorFlow as a backend or, instead, use the APIs in tf.keras directly available in TensorFlow. Note that there is not a 1:1 correspondence between Keras and tf.keras. Many endpoints in tf.keras are not implemented in Keras and tf.Keras does not support multiple backends as Keras. So, Keras or tf.keras? My suggestion is the second option rather than the first one. tf.keras has multiple advantages over Keras, consisting of TensorFlow enhancements discussed in this chapter (eager execution; native support for distributed training, including training on TPUs; and support for the TensorFlow SavedModel exchange format). However, the first option is still the most relevant one if you plan to write highly portable code that can run on multiple backends, including Google TensorFlow, Microsoft CNTK, Amazon MXnet, and Theano. Note that Keras is an independent open source project, and its development is not dependent...

Summary

TensorFlow 2.0 is a rich development ecosystem composed of two main parts: Training and Serving. Training consists of a set of libraries for dealing with datasets (tf.data), a set of libraries for building models, including high-level libraries (tf.Keras and Estimators), low-level libraries (tf.*), and a collection of pretrained models (tf.Hub), which will be discussed in Chapter 5, Advanced Convolutional Neural Networks. Training can happen on CPUs, GPUs, and TPUs via distribution strategies and the result can be saved using the appropriate libraries. Serving can happen on multiple platforms, including on-prem, cloud, Android, iOS, Raspberry Pi, any browser supporting JavaScript, and Node.js. Many language bindings are supported, including Python, C, C#, Java, Swift, R, and others. The following diagram summarizes the architecture of TensorFlow 2.0 as discussed in this chapter:

Figure 6: Summary of TensorFlow 2.0 architecture

  • tf.data can be used to load...
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Key benefits

  • Introduces and then uses TensorFlow 2 and Keras right from the start
  • Teaches key machine and deep learning techniques
  • Understand the fundamentals of deep learning and machine learning through clear explanations and extensive code samples

Description

Deep Learning with TensorFlow 2 and Keras, Second Edition teaches neural networks and deep learning techniques alongside TensorFlow (TF) and Keras. You’ll learn how to write deep learning applications in the most powerful, popular, and scalable machine learning stack available. TensorFlow is the machine learning library of choice for professional applications, while Keras offers a simple and powerful Python API for accessing TensorFlow. TensorFlow 2 provides full Keras integration, making advanced machine learning easier and more convenient than ever before. This book also introduces neural networks with TensorFlow, runs through the main applications (regression, ConvNets (CNNs), GANs, RNNs, NLP), covers two working example apps, and then dives into TF in production, TF mobile, and using TensorFlow with AutoML.

Who is this book for?

This book is for Python developers and data scientists who want to build machine learning and deep learning systems with TensorFlow. This book gives you the theory and practice required to use Keras, TensorFlow 2, and AutoML to build machine learning systems. Some knowledge of machine learning is expected.

What you will learn

  • Build machine learning and deep learning systems with TensorFlow 2 and the Keras API
  • Use Regression analysis, the most popular approach to machine learning
  • Understand ConvNets (convolutional neural networks) and how they are essential for deep learning systems such as image classifiers
  • Use GANs (generative adversarial networks) to create new data that fits with existing patterns
  • Discover RNNs (recurrent neural networks) that can process sequences of input intelligently, using one part of a sequence to correctly interpret another
  • Apply deep learning to natural human language and interpret natural language texts to produce an appropriate response
  • Train your models on the cloud and put TF to work in real environments
  • Explore how Google tools can automate simple ML workflows without the need for complex modeling
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Length: 646 pages
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Language : English
ISBN-13 : 9781838823412
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Length: 646 pages
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ISBN-13 : 9781838823412
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Tools :

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Table of Contents

18 Chapters
Neural Network Foundations with TensorFlow 2.0 Chevron down icon Chevron up icon
TensorFlow 1.x and 2.x Chevron down icon Chevron up icon
Regression Chevron down icon Chevron up icon
Convolutional Neural Networks Chevron down icon Chevron up icon
Advanced Convolutional Neural Networks Chevron down icon Chevron up icon
Generative Adversarial Networks Chevron down icon Chevron up icon
Word Embeddings Chevron down icon Chevron up icon
Recurrent Neural Networks Chevron down icon Chevron up icon
Autoencoders Chevron down icon Chevron up icon
Unsupervised Learning Chevron down icon Chevron up icon
Reinforcement Learning Chevron down icon Chevron up icon
TensorFlow and Cloud Chevron down icon Chevron up icon
TensorFlow for Mobile and IoT and TensorFlow.js Chevron down icon Chevron up icon
An introduction to AutoML Chevron down icon Chevron up icon
The Math Behind Deep Learning Chevron down icon Chevron up icon
Tensor Processing Unit Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

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Full star icon Full star icon Full star icon Full star icon Half star icon 4.3
(26 Ratings)
5 star 76.9%
4 star 3.8%
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1 star 7.7%
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Srinivasan Shanmugam Dec 12, 2023
Full star icon Empty star icon Empty star icon Empty star icon Empty star icon 1
Colour edition would have been much better for the price, as it gets bored to study this black and while, we are dealing with complex subject like deep learning, image classification n all
Amazon Verified review Amazon
Pablo Jordán de la Fuente Sep 08, 2023
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Muy bueno
Amazon Verified review Amazon
Dwayne M Oct 24, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Best book to learn Tensorflow and Keras and to pass the TensorFlow certification exam.
Amazon Verified review Amazon
Conwyn Sep 10, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
A very good introduction. A few typographic errors but fairly obvious to spot. Most annoying is the use of acronym without definiton such as Self Driving Car (SDC). I had to look up ontology but generally the authors describe the concepts and algoritms extremely well. Chapter 10 unsupervised learning covers PCA,K-NN and RBM and uses mathematical terms which may be unfamilar. I think a section on Bayes and PDF could be added to the variation autoencoder section (or the mathematics chapter). The best thing is lots of coding examples. For an absolute introduction I still recommend Deep Learning for Coder with fastai and Pytorch but if you have a basic knowledge this book is wider in content and great value.
Amazon Verified review Amazon
eddie Sep 07, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Excellent book for understanding state of the art deep learning models with great code examples. Definitely worth the time to explore in full
Amazon Verified review Amazon
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