In this chapter, we showed how to use a convolutional neural network (CNN) deep learning model for image recognition and classification. We made use of the popular fashion-MNIST data for training and testing the image classification model. We also went over calculations involving a number of parameters, and were able to contrast this with the number of parameters that would have been needed by a densely connected neural network. CNN models help to significantly reduce the number of parameters needed and thus result in significant savings in computing time and resources. We also used images of fashion items downloaded from the internet to see whether a classification model based on fashion-MNIST data can be generalized to similar items. We did notice that it is important to maintain consistency in the way images are laid out in the training data. Additionally, we also showed...
Advanced Deep Learning with R
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Advanced Deep Learning with R
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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)
Preface
Revisiting Deep Learning Architecture and Techniques
Section 2: Deep Learning for Prediction and Classification
Deep Neural Networks for Multi-Class Classification
Deep Neural Networks for Regression
Section 3: Deep Learning for Computer Vision
Image Classification and Recognition
Image Classification Using Convolutional Neural Networks
Applying Autoencoder Neural Networks Using Keras
Image Classification for Small Data Using Transfer Learning
Creating New Images Using Generative Adversarial Networks
Section 4: Deep Learning for Natural Language Processing
Deep Networks for Text Classification
Text Classification Using Recurrent Neural Networks
Text classification Using Long Short-Term Memory Network
Text Classification Using Convolutional Recurrent Neural Networks
Section 5: The Road Ahead
Tips, Tricks, and the Road Ahead
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