I tried to create optical illusions without success before. "Black and white" seemed like a good excuse to retry it with all my learnings. I'm pretty happy with this one.
The trick is to use alternating prompt to create a base image and then iterate img2img alternating between the "vase" and the "silhouette" prompt. Also, I think the Euler A sampler is too unstable for this; DDIM seemed to work better.
I visited London in 2019 and, coming from Argentina, it was my first time on a city older than the colonisation of America. The first thing I noticed is that these medieval cities are definitely not a grid! It's very easy to get lost on the meandering streets and irregular blocks.
Many people think Picasso said "Good Artists Copy; Great Artists Steal". Ironically, this or similar quotes have been said by many artists and there's no evidence to attribute it to Picasso himself (https://quoteinvestigator.com/2013/03/06/artists-steal/).
Anyway, here's Picasso stealing the Mona Lisa. Made with #StableDiffusion, which was arguably trained with stolen images.
