Book Image

Hands-On Convolutional Neural Networks with TensorFlow

By : Iffat Zafar, Giounona Tzanidou, Richard Burton, Nimesh Patel, Leonardo Araujo
Book Image

Hands-On Convolutional Neural Networks with TensorFlow

By: Iffat Zafar, Giounona Tzanidou, Richard Burton, Nimesh Patel, Leonardo Araujo

Overview of this book

Convolutional Neural Networks (CNN) are one of the most popular architectures used in computer vision apps. This book is an introduction to CNNs through solving real-world problems in deep learning while teaching you their implementation in popular Python library - TensorFlow. By the end of the book, you will be training CNNs in no time! We start with an overview of popular machine learning and deep learning models, and then get you set up with a TensorFlow development environment. This environment is the basis for implementing and training deep learning models in later chapters. Then, you will use Convolutional Neural Networks to work on problems such as image classification, object detection, and semantic segmentation. After that, you will use transfer learning to see how these models can solve other deep learning problems. You will also get a taste of implementing generative models such as autoencoders and generative adversarial networks. Later on, you will see useful tips on machine learning best practices and troubleshooting. Finally, you will learn how to apply your models on large datasets of millions of images.
Table of Contents (17 chapters)
Title Page
Copyright and Credits
Packt Upsell
Contributors
Preface
Index

Code Structure best Practice


In previous chapters we encapsulated our tensorflow graph into a class without discussing it any further. This idea itself is already good coding practice. Having a class responsible to build your graph and exposing only things that are useful for using the model (that is, it’s inputs/outputs) is a good programming practice that will save you lots of time.

Singleton Pattern

It is also common practice to use design patterns in order to solve some software design problems. One of the simplest and most useful design patterns in python is the singleton one. It is used when you want to force the instantiation of a class to only one object, so even if you instantiate this class multiple times in several different places in your project, you will be referencing the same object. In our case if we ask TensorFlow to create multiple nodes or graphs with the same name, it will throw an error. Therefore, we use the singleton pattern while creating the graph to avoid building...