Book Image

Hands-On Deep Learning Algorithms with Python

By : Sudharsan Ravichandiran
Book Image

Hands-On Deep Learning Algorithms with Python

By: Sudharsan Ravichandiran

Overview of this book

Deep learning is one of the most popular domains in the AI space that allows you to develop multi-layered models of varying complexities. This book introduces you to popular deep learning algorithms—from basic to advanced—and shows you how to implement them from scratch using TensorFlow. Throughout the book, you will gain insights into each algorithm, the mathematical principles involved, and how to implement it in the best possible manner. The book starts by explaining how you can build your own neural networks, followed by introducing you to TensorFlow, the powerful Python-based library for machine learning and deep learning. Moving on, you will get up to speed with gradient descent variants, such as NAG, AMSGrad, AdaDelta, Adam, and Nadam. The book will then provide you with insights into recurrent neural networks (RNNs) and LSTM and how to generate song lyrics with RNN. Next, you will master the math necessary to work with convolutional and capsule networks, widely used for image recognition tasks. You will also learn how machines understand the semantics of words and documents using CBOW, skip-gram, and PV-DM. Finally, you will explore GANs, including InfoGAN and LSGAN, and autoencoders, such as contractive autoencoders and VAE. By the end of this book, you will be equipped with all the skills you need to implement deep learning in your own projects.
Table of Contents (17 chapters)
Free Chapter
1
Section 1: Getting Started with Deep Learning
4
Section 2: Fundamental Deep Learning Algorithms
10
Section 3: Advanced Deep Learning Algorithms

Summary

We started off the chapter by covering what an RNN is and how an RNN differs from a feedforward network. We learned that an RNN is a special type of neural network that is widely applied over sequential data; it predicts output based on not only the current input but also on the previous hidden state, which acts as the memory and stores the sequence of information that the network has seen so far.

We learned how forward propagation works in RNNs, and then we explored a detailed derivation of the BPTT algorithm, which is used for training RNN. Then, we explored RNNs by implementing them in TensorFlow to generate song lyrics. At the end of the chapter, we learned about the different architectures of RNNs, such as one-to-one, one-to-many, many-to-one, and many-to-many, which are used for various applications.

In the next chapter, we will learn about the LSTM cell, which solves...