AI image generators are massive, but how are they creating such interesting images? Dr Mike Pound explains what's going on.

Thumbnail image partly created by DALL-E with the prompt: "Computerphile YouTube Video presenter Mike Pound Explains Diffusion AI methods thumbnail with green computer style title text on a black background with grey binary"

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This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: https://bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com