Here's their preprint. It's basically using a pretrained VGG network as a latent space, which lets them synthesize images. https://www.biorxiv.org/content/10.

Here's their preprint. It's basically using a pretrained VGG network as a latent space, which lets them synthesize images. https://www.biorxiv.org/content/10.1101/787101v3 https://www.biorxiv.org/content/10.1101/787101v3