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Physically valid statistical models for human motion generation

Published: 19 May 2011 Publication History

Abstract

This article shows how statistical motion priors can be combined seamlessly with physical constraints for human motion modeling and generation. The key idea of the approach is to learn a nonlinear probabilistic force field function from prerecorded motion data with Gaussian processes and combine it with physical constraints in a probabilistic framework. In addition, we show how to effectively utilize the new model to generate a wide range of natural-looking motions that achieve the goals specified by users. Unlike previous statistical motion models, our model can generate physically realistic animations that react to external forces or changes in physical quantities of human bodies and interaction environments. We have evaluated the performance of our system by comparing against ground-truth motion data and alternative methods.

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Published In

cover image ACM Transactions on Graphics
ACM Transactions on Graphics  Volume 30, Issue 3
May 2011
127 pages
ISSN:0730-0301
EISSN:1557-7368
DOI:10.1145/1966394
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 19 May 2011
Accepted: 01 February 2011
Revised: 01 January 2011
Received: 01 November 2010
Published in TOG Volume 30, Issue 3

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Author Tags

  1. Human motion analysis and generation
  2. animation from constraints
  3. data-driven animation
  4. optimization
  5. physics-based animation
  6. statistical motion modeling

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