2.0.x problem

@visualmusicdesign I was shocked by how realistic Rousseau's "effects" were and likely LED strips explained it. BTW, I am a data scientist and have done some work in computer vision. Looking at probably hours of videos with real lighting/shadow effects, I think it is possible to build a deep learning model from these clips to automatically render lighting effects on hands. The key here is to get training data set, which is comprised of pictures of a hand at the same position both with and without lights, so the machine learning model learns how to paint light on hand pictures. To get these picture pairs, one can simply take the frames right before and after a key stroke or a key release, where the light was the switched but the hand remained (roughly) at the same position.

The training can be a slow process that takes hours to days, but once the model is trained, rendering it should be a relatively quick task, probably near video frame rate if run on GPU.