[ihateolives]

Usually not, perhaps noise filters, but mostly not. There was amusing case of reversing twirl filter a while ago: https://boingboing.net/2007/10/08/untwirling-photo-of.html

[msk-lywenn]

Surely that twirl effect isn't made using AI but just a geometric function, right?

[pfortuny]

Thanks a lot. I was mistaken.