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Deep Learning from the Basics

You're reading from Deep Learning from the Basics Python and Deep Learning: Theory and Implementation

Product type Paperback

Published in Mar 2021

Publisher Packt

ISBN-13 9781800206137

Length 316 pages

Edition 1st Edition

Languages

Python

Concepts

Deep Learning

Authors (2):

Shigeo Yushita

Koki Saitoh

View More author details

Table of Contents (11) Chapters

Preface

About the Book

Introduction

1. Introduction to Python FREE CHAPTER

2. Perceptrons

3. Neural Networks

4. Neural Network Training

5. Backpropagation

6. Training Techniques

7. Convolutional Neural Networks

8. Deep Learning

Appendix A

Loss Function

How do you answer when you are asked, "How happy are you now?". We may usually answer vaguely: "I am moderately happy" or "I am not very happy." You may be surprised if someone answers, "My current happiness score is 10.23" because the person can only quantify their happiness with one score. If such a person exists, the person may lead their life only based on their "happiness score."

This "happiness score" is an allegory used to illustrate some similar things which occur in neural network training. In neural network training, one "score" is used to indicate the current status. Based on the score, optimal weight parameters are searched for. As this person looks for an "optimal life" based on the "happiness score," a neural network searches for optimal parameters using "one score" as a guide. The score that's used in neural network training is called a loss function...

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Authors (2)

Shigeo Yushita

Shigeo Yushita

Contracted

See other products by Shigeo Yushita

Saitoh

Saitoh

Koki Saitoh was born in Tsushima, Nagasaki in 1984. He graduated from the engineering department of the Tokyo Institute of Technology and completed a master's course at the Graduate School of Interdisciplinary Information Studies at the University of Tokyo. Currently, he conducts research and development in computer vision and machine learning. He has authored Python 3 in Practice, The Elements of Computing Systems, and Building Machine Learning Systems with Python, translations of which are published by O'Reilly, Japan.

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