Advanced Deep Learning with Keras

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Advanced Deep Learningwith KerasApply deep learning techniques, autoencoders, GANs,variational autoencoders, deep reinforcement learning,policy gradients, and moreRowel AtienzaBIRMINGHAM - MUMBAI
Advanced Deep Learning with KerasCopyright © 2018 Packt PublishingAll rights reserved. No part of this book may be reproduced, stored in a retrievalsystem, or transmitted in any form or by any means, without the prior writtenpermission of the publisher, except in the case of brief quotations embedded incritical articles or reviews.Every effort has been made in the preparation of this book to ensure the accuracyof the information presented. However, the information contained in this bookis sold without warranty, either express or implied. Neither the author, nor PacktPublishing or its dealers and distributors, will be held liable for any damagescaused or alleged to have been caused directly or indirectly by this book.Packt Publishing has endeavored to provide trademark information about all of thecompanies and products mentioned in this book by the appropriate use of capitals.However, Packt Publishing cannot guarantee the accuracy of this information.Acquisition Editor: Frank Pohlmann, Andrew Waldron, Suresh JainContent Development Editor: Alex SorrentinoTechnical Editor: Gaurav GavasProject Editor: Kishor RitProofreader: Safis EditingIndexers: Aishwarya GangawaneGraphics: Tom ScariaProduction Coordinator: Sandip TadgeFirst published: October 2018Production reference: 1311018Published by Packt Publishing Ltd.Livery Place35 Livery StreetBirmingham B3 2PB, UK.ISBN 978-1-78862-941-6www.packtpub.com
Page 4 and 5: mapt.ioMapt is an online digital li
Page 6 and 7: I would like to thank my family, Ch
Page 8 and 9: Table of ContentsPrefaceVChapter 1:
Page 10 and 11: [ iii ]Table of ContentsChapter 7:
Page 12 and 13: [ v ]PrefaceIn recent years, deep l
Page 14 and 15: Chapter 5, Improved GANs, covers al
Page 16 and 17: def encoder_layer(inputs,filters=16
Page 18 and 19: Introducing Advanced DeepLearning w
Page 20 and 21: Chapter 1Installing Keras and Tenso
Page 22 and 23: Chapter 1• RNNs: Recurrent neural
Page 24 and 25: [ 7 ]Chapter 1In the preceding figu
Page 26 and 27: Chapter 1Figure 1.3.3: MLP MNIST di
Page 28 and 29: Chapter 1model.add(Activation('soft
Page 30 and 31: Chapter 1model.add(Activation('relu
Page 32 and 33: Chapter 1As an example, l2 weight r
Page 34 and 35: [ 17 ]Chapter 1How far the predicte
Page 36 and 37: Chapter 1Figure 1.3.8: Plot of a fu
Page 38 and 39: Chapter 1The highest test accuracy
Page 40 and 41: Chapter 1Figure 1.3.9: The graphica
Page 42 and 43: Chapter 1# image is processed as is
Page 44 and 45: Chapter 1The computation involved i
Page 46 and 47: Chapter 1Listing 1.4.2 shows a summ
Page 48 and 49: Chapter 164-64-64 RMSprop Dropout(0
Page 50 and 51: Chapter 1There are the two main dif
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Chapter 1Layers Optimizer Regulariz
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ConclusionThis chapter provided an
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Deep Neural NetworksWhile this chap
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Deep Neural Networks# reshape and n
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Deep Neural NetworksEverything else
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Deep Neural Networksfrom keras.util
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Deep Neural NetworksFigure 2.1.3: T
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Deep Neural NetworksHence, the netw
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Deep Neural NetworksGenerally speak
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Deep Neural NetworksIn the dataset,
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Deep Neural NetworksTransition Laye
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Deep Neural NetworksThere are some
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Deep Neural NetworksResNet v2 is al
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Deep Neural Networks…if version =
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Deep Neural NetworksTo prevent the
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Deep Neural NetworksAverage Pooling
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Deep Neural Networks# orig paper us
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AutoencodersIn the previous chapter
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Chapter 3The autoencoder has the te
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Chapter 3Firstly, we're going to im
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Chapter 3# reconstruct the inputout
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Chapter 3Figure 3.2.2: The decoder
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batch_size=32,model_name="autoencod
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Chapter 3Figure 3.2.6: Digits gener
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Chapter 3As shown in Figure 3.3.2,
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Chapter 3image_size = x_train.shape
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Chapter 3# Mean Square Error (MSE)
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Chapter 3from keras.layers import R
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Chapter 3# build the autoencoder mo
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Chapter 3x_train,validation_data=(x
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Chapter 3ConclusionIn this chapter,
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Generative Adversarial Networks (GA
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Improved GANsIn summary, the goal o
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Improved GANsThe intuition behind E
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Improved GANsThis makes sense since
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Improved GANsIn the context of GANs
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Improved GANsFigure 5.1.3: Top: Tra
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Improved GANsThe functions include:
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Improved GANsmodels = (generator, d
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Improved GANsfor layer in discrimin
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Improved GANsFollowing figure shows
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Improved GANsThe preceding table sh
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Improved GANsFollowing figure shows
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Improved GANsEssentially, in CGAN w
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Improved GANslayer = Dense(layer_fi
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Improved GANsx = BatchNormalization
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Improved GANsdiscriminator.compile(
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Improved GANssize=batch_size)real_i
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Improved GANsUnlike CGAN, the sampl
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Improved GANsConclusionIn this chap
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Disentangled Representation GANsIn
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Disentangled Representation GANsInf
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Disentangled Representation GANsFol
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Disentangled Representation GANs# A
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Disentangled Representation GANsif
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Disentangled Representation GANsLis
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Disentangled Representation GANsdat
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Disentangled Representation GANsy[b
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Disentangled Representation GANspyt
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Disentangled Representation GANsThe
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Disentangled Representation GANsSta
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Disentangled Representation GANs( )
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Disentangled Representation GANsThe
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Disentangled Representation GANsfea
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Disentangled Representation GANs# f
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Disentangled Representation GANslat
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Disentangled Representation GANsDis
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Disentangled Representation GANsz_d
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Disentangled Representation GANs2.
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Disentangled Representation GANsFig
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Cross-Domain GANsIn computer vision
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Chapter 7There are many more exampl
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The CycleGAN ModelFigure 7.1.3 show
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Chapter 7Repeat for n training step
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Chapter 7Implementing CycleGAN usin
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filters=16,kernel_size=3,strides=2,
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Chapter 7kernel_size=kernel_size)e3
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Listing 7.1.3, cyclegan-7.1.1.py sh
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Chapter 71) Build target and source
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Chapter 7preal_target,reco_source,r
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size=batch_size)real_source = sourc
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Chapter 7returndirs=dirs,show=True)
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Chapter 7Figure 7.1.10: Color (from
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[ 229 ]Chapter 7titles = ('MNIST pr
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Chapter 7Figure 7.1.13: Style trans
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Chapter 7Figure 7.1.15: The backwar
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Chapter 7References1. Yuval Netzer
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Variational Autoencoders (VAEs)In t
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Variational Autoencoders (VAEs)Typi
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Variational Autoencoders (VAEs)For
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Variational Autoencoders (VAEs)VAEs
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Variational Autoencoders (VAEs)outp
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Variational Autoencoders (VAEs)Figu
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Variational Autoencoders (VAEs)The
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Variational Autoencoders (VAEs)Prec
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Variational Autoencoders (VAEs)shap
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Variational Autoencoders (VAEs)cvae
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Variational Autoencoders (VAEs)In F
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Variational Autoencoders (VAEs)The
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Deep ReinforcementLearningReinforce
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[ 273 ]Chapter 9Formally, the RL pr
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Chapter 9Where:( ) ( , )∗V s maxQ
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Chapter 9Initially, the agent assum
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Chapter 9Figure 9.3.6: Assuming the
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Q-Learning in PythonThe environment
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Chapter 9----------------"""self.re
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Chapter 9# UI to dump Q Table conte
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Chapter 9Figure 9.3.10: The value f
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Chapter 9Figure 9.5.1: Frozen lake
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Chapter 9# discount factorself.gamm
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Chapter 9# training of Q Tableif do
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Chapter 9Where all terms are famili
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Listing 9.6.1 shows us the DQN impl
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Chapter 9if self.ddqn:print("------
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Chapter 9updates# correction on the
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QmaxChapter 9⎧rj+1if episodetermi
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References1. Sutton and Barto. Rein
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Policy Gradient MethodsPolicy gradi
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Policy Gradient MethodsGiven a cont
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Policy Gradient MethodsRequire: Dis
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Policy Gradient MethodsRequire: θ
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Policy Gradient MethodsThe state is
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Policy Gradient Methodsself.encoder
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Policy Gradient MethodsThe policy n
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Policy Gradient MethodsFigure 10.6.
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Policy Gradient MethodsAfter buildi
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Policy Gradient Methods[_, _, _, re
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Policy Gradient MethodsEach algorit
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Policy Gradient Methodswhile not do
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Policy Gradient MethodsTrain REINFO
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Other Books YouMay EnjoyIf you enjo
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Other Books You May EnjoyLeave a re
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DenseNet 39DenseNet-BC (Bottleneck-
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VVariational Autoencoder (VAE)about
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