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Mastering PyTorch

Mastering PyTorch

By : Ashish Ranjan Jha
4.8 (43)
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Mastering PyTorch

Mastering PyTorch

4.8 (43)
By: Ashish Ranjan Jha

Overview of this book

Deep learning is driving the AI revolution, and PyTorch is making it easier than ever before for anyone to build deep learning applications. This PyTorch book will help you uncover expert techniques to get the most out of your data and build complex neural network models. The book starts with a quick overview of PyTorch and explores using convolutional neural network (CNN) architectures for image classification. You'll then work with recurrent neural network (RNN) architectures and transformers for sentiment analysis. As you advance, you'll apply deep learning across different domains, such as music, text, and image generation using generative models and explore the world of generative adversarial networks (GANs). You'll not only build and train your own deep reinforcement learning models in PyTorch but also deploy PyTorch models to production using expert tips and techniques. Finally, you'll get to grips with training large models efficiently in a distributed manner, searching neural architectures effectively with AutoML, and rapidly prototyping models using PyTorch and fast.ai. By the end of this PyTorch book, you'll be able to perform complex deep learning tasks using PyTorch to build smart artificial intelligence models.
Table of Contents (20 chapters)
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1
Section 1: PyTorch Overview
4
Section 2: Working with Advanced Neural Network Architectures
8
Section 3: Generative Models and Deep Reinforcement Learning
13
Section 4: PyTorch in Production Systems

Using GANs for style transfer

So far, we have only looked at DCGANs in detail. Although there exist hundreds of different types of GAN models already, and many more are in the making, some of the well-known GAN models include the following:

  • GAN
  • DCGAN
  • Pix2Pix
  • CycleGAN
  • SuperResolutionGAN (SRGAN)
  • Context encoders
  • Text-2-Image
  • LeastSquaresGAN (LSGAN)
  • SoftmaxGAN
  • WassersteinGAN

Each of these GAN variants differ by either the application they are catering to, their underlying model architecture, or due to some tweaks in their optimization strategy, such as modifying the loss function. For example, SRGANs are used to enhance the resolution of a low-resolution image. The CycleGAN uses two generators instead of one, and the generators consist of ResNet-like blocks. The LSGAN uses the mean square error as the discriminator loss function instead of the usual cross-entropy loss used in most GANs.

It is impossible to discuss all of these GAN...

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