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Deep Learning with TensorFlow 2 and Keras

You're reading from   Deep Learning with TensorFlow 2 and Keras Regression, ConvNets, GANs, RNNs, NLP, and more with TensorFlow 2 and the Keras API

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Product type Paperback
Published in Dec 2019
Publisher Packt
ISBN-13 9781838823412
Length 646 pages
Edition 2nd Edition
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Authors (3):
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Dr. Amita Kapoor Dr. Amita Kapoor
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Dr. Amita Kapoor
Sujit Pal Sujit Pal
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Sujit Pal
Antonio Gulli Antonio Gulli
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Antonio Gulli
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Table of Contents (19) Chapters Close

Preface 1. Neural Network Foundations with TensorFlow 2.0 2. TensorFlow 1.x and 2.x FREE CHAPTER 3. Regression 4. Convolutional Neural Networks 5. Advanced Convolutional Neural Networks 6. Generative Adversarial Networks 7. Word Embeddings 8. Recurrent Neural Networks 9. Autoencoders 10. Unsupervised Learning 11. Reinforcement Learning 12. TensorFlow and Cloud 13. TensorFlow for Mobile and IoT and TensorFlow.js 14. An introduction to AutoML 15. The Math Behind Deep Learning 16. Tensor Processing Unit 17. Other Books You May Enjoy
18. Index

An example of DCNN ‒ LeNet

Yann LeCun, who very recently won the Turing Award, proposed [1] a family of convnets named LeNet trained for recognizing MNIST handwritten characters with robustness to simple geometric transformations and distortion. The core idea of LeNets is to have lower layers alternating convolution operations with max-pooling operations. The convolution operations are based on carefully chosen local receptive fields with shared weights for multiple feature maps. Then, higher levels are fully connected based on a traditional MLP with hidden layers and softmax as output layer.

LeNet code in TensorFlow 2.0

To define a LeNet in code we use a convolutional 2D module:

layers.Convolution2D(20, (5, 5), activation='relu', input_shape=input_shape))

Note that tf.keras.layers.Conv2D is an alias of tf.keras.layers.Convolution2D so the two can be used in an interchangeable way. See https://www.tensorflow.org/api_docs/python/tf/keras/layers...

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