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Generative Adversarial Networks Projects

By : Ahirwar

2.3 (3)

Buy this Book

Generative Adversarial Networks Projects

2.3 (3)

By: Ahirwar

Buy this Book

Overview of this book

Generative Adversarial Networks (GANs) have the potential to build next-generation models, as they can mimic any distribution of data. Major research and development work is being undertaken in this field since it is one of the rapidly growing areas of machine learning. This book will test unsupervised techniques for training neural networks as you build seven end-to-end projects in the GAN domain. Generative Adversarial Network Projects begins by covering the concepts, tools, and libraries that you will use to build efficient projects. You will also use a variety of datasets for the different projects covered in the book. The level of complexity of the operations required increases with every chapter, helping you get to grips with using GANs. You will cover popular approaches such as 3D-GAN, DCGAN, StackGAN, and CycleGAN, and you’ll gain an understanding of the architecture and functioning of generative models through their practical implementation. By the end of this book, you will be ready to build, train, and optimize your own end-to-end GAN models at work or in your own projects.

Preface

Who this book is for

What this book covers

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Free Chapter

Introduction to Generative Adversarial Networks

What is a GAN?

Practical applications of GANs

The detailed architecture of a GAN

Variants of GANs

Advantages of GANs

Problems with training GANs

Solving stability problems when training GANs

Summary

3D-GAN - Generating Shapes Using GANs

Introduction to 3D-GANs

Setting up a project

Preparing the data

A Keras implementation of a 3D-GAN

Training a 3D-GAN

Hyperparameter optimization

Practical applications of 3D-GANs

Summary

Face Aging Using Conditional GAN

Introducing cGANs for face aging

Setting up the project

Preparing the data

A Keras implementation of an Age-cGAN

Training the cGAN

Practical applications of Age-cGAN

Summary

Generating Anime Characters Using DCGANs

Introducing to DCGANs

Setting up the project

Downloading and preparing the anime characters dataset

Implementing a DCGAN using Keras

Training the DCGAN

Practical applications of DCGAN

Summary

Using SRGANs to Generate Photo-Realistic Images

Introducing SRGANs

Setting up the project

Downloading the CelebA dataset

The Keras implementation of SRGAN

Training the SRGAN

Practical applications of SRGANs

Summary

StackGAN - Text to Photo-Realistic Image Synthesis

Introduction to StackGAN

Architecture of StackGAN

Setting up the project

Data preparation

A Keras implementation of StackGAN

Training a StackGAN

Practical applications of StackGAN

Summary

CycleGAN - Turn Paintings into Photos

An introduction to CycleGANs

Setting up the project

Downloading the dataset

Keras implementation of CycleGAN

Training the CycleGAN

Practical applications of CycleGANs

Summary

Introduction to StackGAN

A StackGAN is named as such because it has two GANs that are stacked together to form a network that is capable of generating high-resolution images. It has two stages, Stage-I and Stage-II. The Stage-I network generates low-resolution images with basic colors and rough sketches, conditioned on a text embedding, while the Stage-II network takes the image generated by the Stage-I network and generates a high-resolution image that is conditioned on a text embedding. Basically, the second network corrects defects and adds compelling details, yielding a more realistic high-resolution image.

We can compare a StackGAN network to the work of a painter. As a painter starts working, they draw primitive shapes such as lines, circles, and rectangles. Then, they try to fill in the colors. As the painting progresses, more and more detail is added. In a StackGAN, Stage...