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Python Deep Learning

Python Deep Learning

By : Vasilev, Daniel Slater, Spacagna, Roelants, Zocca
4 (8)
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Python Deep Learning

Python Deep Learning

4 (8)
By: Vasilev, Daniel Slater, Spacagna, Roelants, Zocca

Overview of this book

With the surge in artificial intelligence in applications catering to both business and consumer needs, deep learning is more important than ever for meeting current and future market demands. With this book, you’ll explore deep learning, and learn how to put machine learning to use in your projects. This second edition of Python Deep Learning will get you up to speed with deep learning, deep neural networks, and how to train them with high-performance algorithms and popular Python frameworks. You’ll uncover different neural network architectures, such as convolutional networks, recurrent neural networks, long short-term memory (LSTM) networks, and capsule networks. You’ll also learn how to solve problems in the fields of computer vision, natural language processing (NLP), and speech recognition. You'll study generative model approaches such as variational autoencoders and Generative Adversarial Networks (GANs) to generate images. As you delve into newly evolved areas of reinforcement learning, you’ll gain an understanding of state-of-the-art algorithms that are the main components behind popular games Go, Atari, and Dota. By the end of the book, you will be well-versed with the theory of deep learning along with its real-world applications.
Table of Contents (16 chapters)
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Title Page
About Packt
Contributors
Preface
Index

Artistic style transfer


Artistic style transfer is the use of the style (or texture) of one image to reproduce the semantic content of another. It can be implemented with different algorithms, but the most popular way was introduced in 2015 in the paper A Neural Algorithm of Artistic Style (https://arxiv.org/abs/1508.06576) by Leon A. Gatys, Alexander S. Ecker, and Matthias Bethge. It's also known as neural style transfer and it uses (you guessed it!) CNNs. The basic algorithm has been improved and tweaked over the past few years, but in this section we'll look at the way it was first introduced, because it will give us a good foundation for understanding the latest versions.

The algorithm takes two images as input:

  • Content image (C) we would like to redraw
  • Style image (I) whose style (texture) we'll use to redraw C

The result of the algorithm is a new image: G = C + S. Here is an example of artistic style transfer:

An example of neural style transfer

To understand how neural style transfer works...

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