Meet up

Generative Adversarial Networks with PyTorch

Monday, 3rd June in London

This meetup was organised by Algorithmic Art in June 2019

Overview

Generative Adversarial Networks with PyTorch

Even more recently, a new architecture emerged that led to spectacular results for generated images. The faces at this link are not real, they were created by a generative network - https://tinyurl.com/y6c6u5k2 .

In October 2018, the world-leading art auction house Christies sold the Portrait of Edmond Belamy for $432,500 - https://tinyurl.com/y5zjqjn3.

That portrait was not painted by a person, but a generative neural network trained using an adversarial machine learning architecture.


This talk - aimed at non-experts and newcomers - will introduce and explain how generative adversarial networks, or GANs, work.

After a quick review of how neural networks learn, we'll take gentle steps towards understanding how GANs work and building our own:

  • First we'll see the mechanics of learning using an almost trivially simple system of two learning nodes.

  • Introduce PyTorch basics - including the concept of computation graphs and automatic gradients.

  • We'll step up to using very small neural networks to learn to "fake" a short pattern.

  • After seeing the key concepts in action, we'll progress onto training a home-made GAN to learn to create convincing images.

Tutorial code will be provided as python notebooks so you can explore GANs yourself.

We'll also be learning just enough PyTorch basics to enable us to continue using it for other projects after the talk. No previous experience with PyTorch necessary.

The aim of the talk is to understand - at minimum - the key concepts behind neural networks and adversarial learning. We'll avoid unnecessary jargon and maths, and keep the content as simple as possible.

Artists and designers most welcome!

Tariq Rashid

Tariq has loved open source for over 20 years and first fell in love with Python in the last century!



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