Jeremy, @jsa169 and Uri Manor (Salk Institute) just presented at Facebook F8 the results of their collaboration. What they have done is really worth reading, watching and studying deeply.
Thanks @jsa169 - and I got your code working on Windows 10. With FastAI 52 and manually building a Conda environment. Just tried some old stills so far - as your saw on Twitter - and here is another one -
Very nice work indeed. The blogpost was very informative. For the next stage, I wonder if incorporating object detection/semantic segmentation might help with the color issues like you cannot have zombie legs/hands.