Applied Deep Learning with TensorFlow 2

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Beschreibung

Understand how neural networks work and learn how to implement them using TensorFlow 2.0 and Keras. This new edition focuses on the fundamental concepts and at the same time on practical aspects of implementing neural networks and deep learning for your research projects.

This book is designed so that you can focus on the parts you are interested in. You will explore topics as regularization, optimizers, optimization, metric analysis, and hyper-parameter tuning. In addition, you will learn the fundamentals ideas behind autoencoders and generative adversarial networks.
All the code presented in the book will be available in the form of Jupyter notebooks which would allow you to try out all examples and extend them in interesting ways. A companion online book is available with the complete code for all examples discussed in the book and additional material more related to TensorFlow and Keras. All the code will be available in Jupyter notebook format and can be openeddirectly in Google Colab (no need to install anything locally) or downloaded on your own machine and tested locally.
You will:
¿ Understand the fundamental concepts of how neural networks work¿ Learn the fundamental ideas behind autoencoders and generative adversarial networks

¿ Be able to try all the examples with complete code examples that you can expand for your own projects
¿ Have available a complete online companion book with examples and tutorials.

This book is for:
Readers with an intermediate understanding of machine learning, linear algebra, calculus, and basic Python programming.

Über den Autor

Umberto Michelucci is the founder and the chief AI scientist of TOELT - Advanced AI LAB LLC. He's an expert in numerical simulation, statistics, data science, and machine learning. He has 15 years of practical experience in the fields of data warehouse, data science, and machine learning. His first book, Applied Deep Learning-A Case-Based Approach to Understanding Deep Neural Networks, was published in 2018. His second book, Convolutional and Recurrent Neural Networks Theory and Applications was published in 2019. He publishes his research regularly and gives lectures on machine learning and statistics at various universities. He holds a PhD in machine learning, and he is also a Google Developer Expert in Machine Learning based in Switzerland.

Zusammenfassung

Covers Debugging and optimization of deep learning techniques with TensorFlow 2.0 and Python

Covers recent advances in autoencoders and multitask learning

Explains how to build models and deploy them on edge devices as Raspberry Pi using TensorFlow lite

Inhaltsverzeichnis

Chapter 1 : Optimization and neural networks

Subtopics:

How to read the book

Introduction to the book

Chapter 2: Hands-on with One Single Neuron

Subtopics:

Overview of optimization

A definition of learning

Constrained vs. unconstrained optimization

Absolute and local minima

Optimization algorithms with focus on Gradient Descent

Variations of Gradient Descent (mini-batch and stochastic)

How to choose the right mini-batch size

Chapter 3: Feed Forward Neural Networks

Subtopics:

A short introduction to matrix algebra

Activation functions (identity, sigmoid, tanh, swish, etc.)

Implementation of one neuron in Keras

Linear regression with one neuron

Logistic regression with one neuron

Chapter 4: Regularization

Subtopics:

Matrix formalism

Softmax activation function

Overfitting and bias-variance discussion

How to implement a fully conneted network with Keras

Multi-class classification with the Zalando dataset in Keras

Gradient descent variation in practice with a real dataset

Weight initialization

How to compare the complexity of neural networks

How to estimate memory used by neural networks in Keras

Chapter 5: Advanced Optimizers

Subtopics:

An introduction to regularization

l_p norm

l_2 regularization

Weight decay when using regularization

Dropout

Early Stopping

Chapter 6

Chapter Title: Hyper-Parameter tuning

Subtopics:

Exponentially weighted averages

Momentum

RMSProp

Adam

Comparison of optimizers

Chapter 7

Chapter Title: Convolutional Neural Networks

Subtopics:

Introduction to Hyper-parameter tuning

Black box optimization

Grid Search

Random Search

Coarse to fine optimization

Sampling on logarithmic scale

Bayesian optimisation

Chapter 8

Chapter Title: Brief Introduction to Recurrent Neural Networks

Subtopics:

Theory of convolution

Pooling and padding

Building blocks of a CNN

Implementation of a CNN with Keras

Introduction to recurrent neural networks

Implementation of a RNN with Keras

Chapter 9: Autoencoders

Subtopics:

Feed Forward Autoencoders

Loss function in autoencoders

Reconstruction error

Application of autoencoders: dimensionality reduction

Application of autoencoders: Classification with latent features

Curse of dimensionality

Denoising autoencoders

Autoencoders with CNN

Chapter 10: Metric Analysis

Subtopics:

Human level performance and Bayes error

Bias

Metric analysis diagram

Training set overfitting

How to split your dataset

Unbalanced dataset: what can happen

K-fold cross validation

Manual metric analysis: an example

Chapter 11

Chapter Title: General Adversarial Networks (GANs)

Subtopics:

Introduction to GANs

The building blocks of GANs

An example of implementation of GANs in Keras

APPENDIX 1: Introduction to Keras

Subtopics:

Sequential model

Keras Layers

Functional APIs

Specifying loss functions

Putting all together and training a model

Callback functions

Save and load models

APPENDIX 2: Customizing Keras

Subtopics:

Custom callback functions

Custom training loops

Custom loss functions

APPENDIX 3: Symbols and Abbreviations

Details

Erscheinungsjahr:	2022
Genre:	Informatik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Seiten:	408
Inhalt:	xxviii 380 S. 117 s/w Illustr. 31 farbige Illustr. 380 p. 148 illus. 31 illus. in color.
ISBN-13:	9781484280195
ISBN-10:	1484280199
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Autor:	Michelucci, Umberto
Auflage:	2nd ed.
Hersteller:	Apress Apress L.P.
Maße:	254 x 178 x 23 mm
Von/Mit:	Umberto Michelucci
Erscheinungsdatum:	29.03.2022
Gewicht:	0,764 kg

preigu-id: 120927798

Über den Autor

Zusammenfassung

Covers Debugging and optimization of deep learning techniques with TensorFlow 2.0 and Python

Covers recent advances in autoencoders and multitask learning

Explains how to build models and deploy them on edge devices as Raspberry Pi using TensorFlow lite

Inhaltsverzeichnis

Chapter 1 : Optimization and neural networks

Subtopics:

How to read the book

Introduction to the book

Chapter 2: Hands-on with One Single Neuron

Subtopics:

Overview of optimization

A definition of learning

Constrained vs. unconstrained optimization

Absolute and local minima

Optimization algorithms with focus on Gradient Descent

Variations of Gradient Descent (mini-batch and stochastic)

How to choose the right mini-batch size

Chapter 3: Feed Forward Neural Networks

Subtopics:

A short introduction to matrix algebra

Activation functions (identity, sigmoid, tanh, swish, etc.)

Implementation of one neuron in Keras

Linear regression with one neuron

Logistic regression with one neuron

Chapter 4: Regularization

Subtopics:

Matrix formalism

Softmax activation function

Overfitting and bias-variance discussion

How to implement a fully conneted network with Keras

Multi-class classification with the Zalando dataset in Keras

Gradient descent variation in practice with a real dataset

Weight initialization

How to compare the complexity of neural networks

How to estimate memory used by neural networks in Keras

Chapter 5: Advanced Optimizers

Subtopics:

An introduction to regularization

l_p norm

l_2 regularization

Weight decay when using regularization

Dropout

Early Stopping

Chapter 6

Chapter Title: Hyper-Parameter tuning

Subtopics:

Exponentially weighted averages

Momentum

RMSProp

Adam

Comparison of optimizers

Chapter 7

Chapter Title: Convolutional Neural Networks

Subtopics:

Introduction to Hyper-parameter tuning

Black box optimization

Grid Search

Random Search

Coarse to fine optimization

Sampling on logarithmic scale

Bayesian optimisation

Chapter 8

Chapter Title: Brief Introduction to Recurrent Neural Networks

Subtopics:

Theory of convolution

Pooling and padding

Building blocks of a CNN

Implementation of a CNN with Keras

Introduction to recurrent neural networks

Implementation of a RNN with Keras

Chapter 9: Autoencoders

Subtopics:

Feed Forward Autoencoders

Loss function in autoencoders

Reconstruction error

Application of autoencoders: dimensionality reduction

Application of autoencoders: Classification with latent features

Curse of dimensionality

Denoising autoencoders

Autoencoders with CNN

Chapter 10: Metric Analysis

Subtopics:

Human level performance and Bayes error

Bias

Metric analysis diagram

Training set overfitting

How to split your dataset

Unbalanced dataset: what can happen

K-fold cross validation

Manual metric analysis: an example

Chapter 11

Chapter Title: General Adversarial Networks (GANs)

Subtopics:

Introduction to GANs

The building blocks of GANs

An example of implementation of GANs in Keras

APPENDIX 1: Introduction to Keras

Subtopics:

Sequential model

Keras Layers

Functional APIs

Specifying loss functions

Putting all together and training a model

Callback functions

Save and load models

APPENDIX 2: Customizing Keras

Subtopics:

Custom callback functions

Custom training loops

Custom loss functions

APPENDIX 3: Symbols and Abbreviations

Details

Erscheinungsjahr:	2022
Genre:	Informatik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Seiten:	408
Inhalt:	xxviii 380 S. 117 s/w Illustr. 31 farbige Illustr. 380 p. 148 illus. 31 illus. in color.
ISBN-13:	9781484280195
ISBN-10:	1484280199
Sprache:	Englisch
Ausstattung / Beilage:	Paperback
Einband:	Kartoniert / Broschiert
Autor:	Michelucci, Umberto
Auflage:	2nd ed.
Hersteller:	Apress Apress L.P.
Maße:	254 x 178 x 23 mm
Von/Mit:	Umberto Michelucci
Erscheinungsdatum:	29.03.2022
Gewicht:	0,764 kg

preigu-id: 120927798

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