Book Image

Neural Networks with Keras Cookbook

By : V Kishore Ayyadevara
Book Image

Neural Networks with Keras Cookbook

By: V Kishore Ayyadevara

Overview of this book

This book will take you from the basics of neural networks to advanced implementations of architectures using a recipe-based approach. We will learn about how neural networks work and the impact of various hyper parameters on a network's accuracy along with leveraging neural networks for structured and unstructured data. Later, we will learn how to classify and detect objects in images. We will also learn to use transfer learning for multiple applications, including a self-driving car using Convolutional Neural Networks. We will generate images while leveraging GANs and also by performing image encoding. Additionally, we will perform text analysis using word vector based techniques. Later, we will use Recurrent Neural Networks and LSTM to implement chatbot and Machine Translation systems. Finally, you will learn about transcribing images, audio, and generating captions and also use Deep Q-learning to build an agent that plays Space Invaders game. By the end of this book, you will have developed the skills to choose and customize multiple neural network architectures for various deep learning problems you might encounter.
Table of Contents (18 chapters)

Classifying a song by genre

In this case study, we will be classifying a song into one of 10 possible genres. Imagine a scenario where we are tasked to automatically classify the genre of a song without manually listening to it. This way, we can potentially minimize operational overload as far as possible.

Getting ready

The strategy we'll adopt is as follows:

  1. Download a dataset of various audio recordings and the genre they fit into.
  2. Visualize and contrast a spectrogram of the audio signal for various genres.
  3. Perform CNN operations on top of a spectrogram:
    • Note that we will be performing a CNN 1D operation on a spectrogram, as the concept of translation does not apply in the case of audio recordings
  1. Extract features...