Its sort of obvious if you see stuff like this: https://www.pcgamesn.com/nvidia/ai-gaugan-app-painting-neural-network https://www.pcgamesn.com/nvidia/ai-gaugan

Its sort of obvious if you see stuff like this: https://www.pcgamesn.com/nvidia/ai-gaugan-app-painting-neural-network https://www.pcgamesn.com/nvidia/ai-gaugan-app-painting-neura... The neural network basically has a huge lookup table of "natural" looking stuff. Just point into that table and get what you want out of it: grass, trees, a crowd, etc and the NN will produce it to your specifications.