Diverse Motion Variations for Physics-based Character Animation

Symposium on Computer Animation

Shailen Agrawal, Shuo Shen, Michiel van de Panne
University of British Columbia
 


Abstract

We present an optimization framework for generating diverse variations of physics-based character motions. This allows for the auto- matic synthesis of rich variations in style for simulated jumps, flips, and walks. While well-posed motion optimization problems result in a single optimal motion, we explore using underconstrained motion descriptions and then optimizing for diversity. As input, the method takes a parameterized controller for a successful motion instance, a set of constraints that should be preserved, and a pairwise distance metric between motions. An offline optimization then produces a highly diverse set of motion styles for the same task. We demonstrate results for a variety of 2D and 3D physics-based motions and show that this approach can generate compelling new motions.

Paper
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Bibtex
@article{2013-SCA-diverse,
  title={Diverse Motion Variations for Physics-based Character Animation},
  author={Shailen Agrawal and Shuo Shen and Michiel van de Panne},
  journal={Symposium on Computer Animation},
  year={2013},
  publisher={ACM SIGGRAPH}
}
Funding
   NSERC (Natural Sciences and Engineering Research Council of Canada)
   GRAND NCE: Graphics, Animation, and New Media
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