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Chapter 4X_train, X_test = X_train / 255.0, X_test / 255.0# castX_train = X_train.astype('float32')X_test = X_test.astype('float32')# convert class vectors to binary class matricesy_train = tf.keras.utils.to_categorical(y_train, NB_CLASSES)y_test = tf.keras.utils.to_categorical(y_test, NB_CLASSES)# initialize the optimizer and modelmodel = build(input_shape=INPUT_SHAPE, classes=NB_CLASSES)model.compile(loss="categorical_crossentropy", optimizer=OPTIMIZER,metrics=["accuracy"])model.summary()# use TensorBoard, princess Aurora!callbacks = [# Write TensorBoard logs to './logs' directorytf.keras.callbacks.TensorBoard(log_dir='./logs')]# fithistory = model.fit(X_train, y_train,batch_size=BATCH_SIZE, epochs=EPOCHS,verbose=VERBOSE, validation_split=VALIDATION_SPLIT,callbacks=callbacks)score = model.evaluate(X_test, y_test, verbose=VERBOSE)print("\nTest score:", score[0])print('Test accuracy:', score[1])Now let's run the code. As you can see in Figure 6, the time had a significant increaseand each iteration in our DNN now takes ~28 seconds against ~1-2 seconds for thenet defined in Chapter 1, Neural Network Foundations with TensorFlow 2.0.[ 117 ]
Convolutional Neural NetworksHowever, the accuracy reached a new peak at 99.991 on training, 99.91 on validation,and 99.15 on test%!Figure 6: LeNet accuracyLet's see the execution of a full run for 20 epochs:[ 118 ]
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Deep Learning withTensorFlow 2 and
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packt.comSubscribe to our online di
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I want to thank my kids, Aurora, Le
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Sujit Pal is a Technology Research
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Table of ContentsPrefacexiChapter 1
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[ iii ]Table of ContentsConverting
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Table of ContentsSo what is the pro
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[ vii ]Table of ContentsChapter 10:
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Table of ContentsPretrained models
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PrefaceDeep Learning with TensorFlo
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• Supervised learning, in which t
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PrefaceThe complexity of deep learn
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PrefaceFigure 5: Adoption of deep l
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Chapter 1, Neural Network Foundatio
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PrefaceChapter 13, TensorFlow for M
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ConventionsThere are a number of te
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PrefaceReferences1. Deep Learning w
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Neural Network Foundations with Ten
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TensorFlow 1.x and 2.xThe intent of
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An example to start withWe'll consi
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Chapter 23. Placeholders: Placehold
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• To create random values from a
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To know the value, we need to creat
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Chapter 2Both PyTorch and TensorFlo
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Chapter 2state = [tf.zeros([100, 10
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Chapter 2For now, there's no need t
Page 102 and 103: Chapter 2Let's see an example of a
Page 104 and 105: Chapter 2If you want to save a mode
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Page 108 and 109: Chapter 2There, tf.feature_column.n
Page 110 and 111: Chapter 2print (dz_dx)print (dy_dx)
Page 112 and 113: Chapter 2In our toy example we use
Page 114 and 115: Chapter 2For multi-machine training
Page 116 and 117: Chapter 25. Use tf.layers modules t
Page 118 and 119: Chapter 2Keras or tf.keras?Another
Page 120: • tf.data can be used to load mod
Page 123 and 124: RegressionLet us imagine a simpler
Page 125 and 126: RegressionTake a look at the last t
Page 127 and 128: Regression3. Now, we calculate the
Page 129 and 130: RegressionIn the next section we wi
Page 131 and 132: Regression2. Now, we define the fea
Page 133 and 134: Regression2. Download the dataset:(
Page 135 and 136: RegressionThe following is the Tens
Page 137 and 138: RegressionIn regression the aim is
Page 139 and 140: RegressionThe Estimator outputs the
Page 141 and 142: RegressionThe following is the grap
Page 143 and 144: RegressionReferencesHere are some g
Page 145 and 146: Convolutional Neural NetworksIn thi
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Page 161 and 162: Convolutional Neural NetworksThese
Page 163 and 164: Convolutional Neural NetworksSo, we
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Page 167 and 168: Convolutional Neural NetworksVery d
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Page 171 and 172: Convolutional Neural NetworksIf we
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Page 175 and 176: Advanced Convolutional Neural Netwo
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Advanced Convolutional Neural Netwo
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GenerativeAdversarial NetworksIn th
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[ 193 ]Chapter 6Eventually, we reac
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[ 195 ]Chapter 6Next, we combine th
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Chapter 6And handwritten digits gen
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Chapter 6Figure 1: Visualizing the
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Chapter 6The resultant generator mo
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Chapter 6Figure 4: A summary of res
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Chapter 6def train(self, epochs, ba
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Chapter 6The preceding images were
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Chapter 6Another interesting paper
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Chapter 6To elaborate, let us say t
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Chapter 6Figure 7: The architecture
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Chapter 6Figure 11: Illegible initi
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Chapter 6Bedrooms: Generated bedroo
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Chapter 6The images need to be norm
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Chapter 6initializer = tf.random_no
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Cool, right? Now we can define the
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Chapter 6d_loss = (dA_loss + dB_los
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Chapter 6generator_AB.save_weights(
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6. Ledig, Christian, et al. Photo-R
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Word EmbeddingsDeep learning models
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Word EmbeddingsFor example, "crucia
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Word EmbeddingsAssuming a window si
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Word EmbeddingsGloVeThe Global vect
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Word Embeddingsgensim is an open so
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Word Embeddingsgensim also provides
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Word EmbeddingsSpecifically, we wil
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Word EmbeddingsWe will also convert
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Word EmbeddingsE = np.zeros((vocab_
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Word Embeddingsx = self.embedding(x
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Word EmbeddingsThe change in valida
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Word EmbeddingsThe dataset is a 114
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Word Embeddingsprint("random walks
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Word Embeddingssize=128, # size of
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Word EmbeddingsfastText computes em
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Word EmbeddingsIn the future, once
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Word EmbeddingsA much earlier relat
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Word EmbeddingsOnce you have the fi
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Word EmbeddingsThis will create the
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Word EmbeddingsClassifying with BER
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Word Embeddings2. Each Transformer
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Word EmbeddingsOnce trained, we sav
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Word Embeddings4. Pennington, J., S
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Word Embeddings34. Google Research,
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Recurrent Neural NetworksWe will th
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Recurrent Neural NetworksFor notati
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Recurrent Neural NetworksThis probl
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Recurrent Neural NetworksThe line a
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Recurrent Neural NetworksGated recu
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Recurrent Neural NetworksThis probl
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Recurrent Neural NetworksThe topolo
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Recurrent Neural Networkstexts = do
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Recurrent Neural Networksdef call(s
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Recurrent Neural Networks# callback
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Recurrent Neural NetworksExample
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Recurrent Neural NetworksAs can be
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Recurrent Neural Networksdata_dir =
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Recurrent Neural NetworksWe can als
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Recurrent Neural NetworksIn order t
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Recurrent Neural Networkssource_voc
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Recurrent Neural NetworksFinally, w
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Recurrent Neural Networks38 - val_l
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Recurrent Neural NetworksIf you wou
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Recurrent Neural NetworksExample
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Recurrent Neural NetworksNext we ha
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Recurrent Neural Networksself.embed
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Recurrent Neural NetworksThis is a
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Recurrent Neural Networksreturn np.
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Recurrent Neural NetworksAttention
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Recurrent Neural NetworksFinally, V
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Recurrent Neural Networks# query.sh
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Recurrent Neural Networksself.atten
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Recurrent Neural Networks30 try to
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Recurrent Neural Networks3. Because
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Recurrent Neural NetworksSummaryIn
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Recurrent Neural Networks18. Shi, X
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AutoencodersAutoencoders are feed-f
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Depending upon the actual dimension
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• __init__(): Here, you define al
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Chapter 9And then we reshape the te
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Chapter 9plt.imshow(x_test[index].r
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Chapter 9Keeping the rest of the co
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noise = np.random.normal(loc=0.5, s
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Chapter 9x_train,validation_data=(x
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Chapter 9import matplotlib.pyplot a
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Chapter 9self.conv4 = Conv2D(1, 3,
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Chapter 9You can see that the image
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[ 367 ]Chapter 9Let us use the prec
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Chapter 9Our autoencoder model take
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We train the autoencoder for 20 epo
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Chapter 90.97905576229095460.989323
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Unsupervised LearningThis chapter d
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Chapter 10Next we load the MNIST da
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Chapter 10TensorFlow Embedding APIT
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3. Recompute the centroids using cu
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Chapter 10Figure 4: Plot of the fin
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Chapter 10In SOMs, neurons are usua
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[ 387 ]Chapter 10Colour mapping usi
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Chapter 10# Calculating Neighbourho
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We will also need to normalize the
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Chapter 10ρρ(vv oo |h oo ) = σσ
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# Generate the sample probabilityde
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Chapter 10And the reconstructed ima
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Chapter 10inpX = rbm.rbm_output(inp
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Chapter 10(60000, 28, 28) (60000,)(
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Chapter 10Figure 11: Summary of the
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Chapter 10This chapter, along with
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Reinforcement LearningThis chapter
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Chapter 11And unlike unsupervised l
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Chapter 11Normally, the value is de
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Chapter 11• The next question tha
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Chapter 11This neural network takes
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Chapter 11The MuJoCo environment re
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Chapter 11We will first import the
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Chapter 11The αα is the learning
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Chapter 11We set up the global valu
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Chapter 11else:return np.argmax(sel
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Chapter 11DQN to play a game of Ata
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Chapter 11self.model.add( Conv2D(64
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Chapter 11Here the action A was sel
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Chapter 11Image source: https://arx
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Chapter 11A neural network is used
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Chapter 1111. Details regarding ins
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TensorFlow and Cloud• Scalability
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TensorFlow and Cloud• Azure DevOp
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TensorFlow and Cloud• Lambda: The
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TensorFlow and Cloud• Deep Learni
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TensorFlow and CloudEC2 on AmazonTo
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TensorFlow and CloudCompute Instanc
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TensorFlow and CloudYou just share
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TensorFlow and CloudIn case you req
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TensorFlow and CloudIt starts with
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TensorFlow and CloudTFX librariesTF
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TensorFlow and CloudReferences1. To
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TensorFlow for Mobile and IoT and T
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An introduction to AutoMLThat is pr
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An introduction to AutoMLFeature co
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An introduction to AutoMLThis Effic
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An introduction to AutoMLGoogle Clo
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An introduction to AutoMLThen, we c
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An introduction to AutoMLOnce the d
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An introduction to AutoMLIf your mo
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An introduction to AutoMLClicking o
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An introduction to AutoMLFigure 16:
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An introduction to AutoMLYou can al
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An introduction to AutoMLPut simply
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An introduction to AutoMLLet's star
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An introduction to AutoMLThe token
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An introduction to AutoMLThis will
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An introduction to AutoMLAt the end
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An introduction to AutoMLUsing Clou
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An introduction to AutoMLOnce the d
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An introduction to AutoMLAt the end
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An introduction to AutoMLAs the nex
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An introduction to AutoMLOnce the m
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An introduction to AutoMLOnce the m
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An introduction to AutoMLWe can als
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An introduction to AutoMLThe most e
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An introduction to AutoMLReferences
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The Math Behind Deep LearningSome m
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The Math Behind Deep LearningSuppos
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The Math Behind Deep LearningNote t
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The Math Behind Deep LearningTheref
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The Math Behind Deep LearningThe ea
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The Math Behind Deep LearningThe re
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The Math Behind Deep LearningCase 2
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The Math Behind Deep LearningIn thi
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The Math Behind Deep LearningHere,
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The Math Behind Deep Learning(Note
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The Math Behind Deep LearningIn man
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The Math Behind Deep LearningIf we
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The Math Behind Deep LearningChapte
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The Math Behind Deep LearningThis c
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Tensor Processing UnitMany people b
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Tensor Processing UnitThe sequentia
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Tensor Processing UnitIf you want t
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Tensor Processing UnitOn the other
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Tensor Processing UnitHow to use TP
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Tensor Processing UnitNote that ful
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Tensor Processing UnitEpoch 10/1060
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Tensor Processing UnitFigure 11: Go
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Tensor Processing UnitThen the usag
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Other Books YouMay EnjoyIf you enjo
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Other Books You May EnjoyAI Crash C
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Other Books You May EnjoyLeave a re
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AutoML pipelinedata preparation 493
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Deep Deterministic Policy Gradient(
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Google cloud consolereference link
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used, for building GAN 193-198MNIST
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regularizersreference link 38reinfo
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TensorFlow Lite 81TensorFlow Core r
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Xxception networks 160, 162YYOLO ne
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