This has been around for a while but it's both neat and actually a practical way to color drawings. Pixiv (popular Japanese art website) integrates it nicely in

This has been around for a while but it's both neat and actually a practical way to color drawings. Pixiv (popular Japanese art website) integrates it nicely into their web sketching/livestream thing. It's also open source, both the NN part and the web UI. https://github.com/pfnet/PaintsChainer https://github.com/pfnet/PaintsChainer