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Hands-On Deep Learning Algorithms with Python

You're reading from   Hands-On Deep Learning Algorithms with Python Master deep learning algorithms with extensive math by implementing them using TensorFlow

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Product type Paperback
Published in Jul 2019
Publisher Packt
ISBN-13 9781789344158
Length 512 pages
Edition 1st Edition
Languages
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Author (1):
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Sudharsan Ravichandiran Sudharsan Ravichandiran
Author Profile Icon Sudharsan Ravichandiran
Sudharsan Ravichandiran
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Table of Contents (17) Chapters Close

Preface 1. Section 1: Getting Started with Deep Learning
2. Introduction to Deep Learning FREE CHAPTER 3. Getting to Know TensorFlow 4. Section 2: Fundamental Deep Learning Algorithms
5. Gradient Descent and Its Variants 6. Generating Song Lyrics Using RNN 7. Improvements to the RNN 8. Demystifying Convolutional Networks 9. Learning Text Representations 10. Section 3: Advanced Deep Learning Algorithms
11. Generating Images Using GANs 12. Learning More about GANs 13. Reconstructing Inputs Using Autoencoders 14. Exploring Few-Shot Learning Algorithms 15. Assessments 16. Other Books You May Enjoy

Learning Text Representations

Neural networks require inputs only in numbers. So when we have textual data, we convert them into numeric or vector representation and feed it to the network. There are various methods for converting the input text to numeric form. Some of the popular methods include term frequency-inverse document frequency (tf-idf), bag of words (BOW), and so on. However, these methods do not capture the semantics of the word. This means that these methods will not understand the meaning of the words.

In this chapter, we will learn about an algorithm called word2vec which converts the textual input to a meaningful vector. They learn the semantic vector representation for each word in the given input text. We will start off the chapter by understanding about word2vec model and two different types of word2vec model called continuous bag-of-words (CBOW) and skip-gram...

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