All you can feel

DeepColor

Online webtoy by Keven Frans can colourize line art using neural network trained on illustrations (you can also use images that will be converted into monochrome):

In the past few months, I’ve been experimenting with digital art. The process involves creating a rough sketch, cleaning it up into lineart, and then finally coloring and shading to create a final product.

Out of these three steps, adding color is by far the most time consuming. So let’s get the computer to do it for us! In this post I’ll go over the methods behind deepcolor: a network that automatically finishes a given lineart image.

More background as to how this project was put together can be found here

You can try the project yourself here