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Advanced Deep Learning with R

Advanced Deep Learning with R

By : Rai
4.3 (3)
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Advanced Deep Learning with R

Advanced Deep Learning with R

4.3 (3)
By: Rai

Overview of this book

Deep learning is a branch of machine learning based on a set of algorithms that attempt to model high-level abstractions in data. Advanced Deep Learning with R will help you understand popular deep learning architectures and their variants in R, along with providing real-life examples for them. This deep learning book starts by covering the essential deep learning techniques and concepts for prediction and classification. You will learn about neural networks, deep learning architectures, and the fundamentals for implementing deep learning with R. The book will also take you through using important deep learning libraries such as Keras-R and TensorFlow-R to implement deep learning algorithms within applications. You will get up to speed with artificial neural networks, recurrent neural networks, convolutional neural networks, long short-term memory networks, and more using advanced examples. Later, you'll discover how to apply generative adversarial networks (GANs) to generate new images; autoencoder neural networks for image dimension reduction, image de-noising and image correction and transfer learning to prepare, define, train, and model a deep neural network. By the end of this book, you will be ready to implement your knowledge and newly acquired skills for applying deep learning algorithms in R through real-world examples.
Table of Contents (20 chapters)
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1
Section 1: Revisiting Deep Learning Basics
3
Section 2: Deep Learning for Prediction and Classification
6
Section 3: Deep Learning for Computer Vision
12
Section 4: Deep Learning for Natural Language Processing
17
Section 5: The Road Ahead

Denoising autoencoders

In situations where input images contain unwanted noise, autoencoder networks can be trained to remove such noise. This is achieved by providing images with noise as input and providing a clean version of the same image as output. The autoencoder network is trained so that the output of the autoencoder is as close to the output image as possible.

MNIST data

We will make use of MNIST data that's available in the Keras package to illustrate the steps that are involved in creating a denoising autoencoder network. MNIST data can be read using the following code:

# MNIST data
mnist <- dataset_mnist() str(mnist)
List of 2 $ train:List of 2 ..$ x: int [1:60000, 1:28, 1:28] 0 0 0 0 0 0 0 0 0 0 ... ...
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