Book Image

Deep Learning with TensorFlow and Keras – 3rd edition - Third Edition

By : Amita Kapoor, Antonio Gulli, Sujit Pal
5 (2)
Book Image

Deep Learning with TensorFlow and Keras – 3rd edition - Third Edition

5 (2)
By: Amita Kapoor, Antonio Gulli, Sujit Pal

Overview of this book

Deep Learning with TensorFlow and Keras teaches you neural networks and deep learning techniques using 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 2.x focuses on simplicity and ease of use, with updates like eager execution, intuitive higher-level APIs based on Keras, and flexible model building on any platform. This book uses the latest TF 2.0 features and libraries to present an overview of supervised and unsupervised machine learning models and provides a comprehensive analysis of deep learning and reinforcement learning models using practical examples for the cloud, mobile, and large production environments. This book also shows you how to create neural networks with TensorFlow, runs through popular algorithms (regression, convolutional neural networks (CNNs), transformers, generative adversarial networks (GANs), recurrent neural networks (RNNs), natural language processing (NLP), and graph neural networks (GNNs)), covers working example apps, and then dives into TF in production, TF mobile, and TensorFlow with AutoML.
Table of Contents (23 chapters)
21
Other Books You May Enjoy
22
Index

Graph convolutions – the intuition behind GNNs

The convolution operator, which effectively allows values of neighboring pixels on a 2D plane to be aggregated in a specific way, has been successful in deep neural networks for computer vision. The 1-dimensional variant has seen similar success in natural language processing and audio processing as well. As you will recall from Chapter 3, Convolutional Neural Networks, a network applies convolution and pooling operations across successive layers and manages to learn enough global features across a sufficiently large number of input pixels to succeed at the task it is trained for.

Examining the analogy from the other end, an image (or each channel of an image) can be thought of as a lattice-shaped graph where neighboring pixels link to each other in a specific way. Similarly, a sequence of words or audio signals can be thought of as another linear graph where neighboring tokens are linked to each other. In both cases, the deep...