Check out NeuroAnimator[0] from 1997 (also early work from Hinton). It covers some of this using local-spaced hierarchies of neural networks that predict the deltas for the next time-step.<p>[0] <a href="http:&#x2F;&#x2F;web.cs.ucla.edu&#x2F;~dt&#x2F;papers&#x2F;siggraph97-sketch&#x2F;" rel="nofollow">http:&#x2F;&#x2F;web.cs.ucla.edu&#x2F;~dt&#x2F;papers&#x2F;siggraph97-sketch&#x2F;</a>