Reactive Pedestrian Path Following from Examples

  • Authors:
  • Ronald A. Metoyer;Jessica K. Hodgins

  • Affiliations:
  • -;-

  • Venue:
  • CASA '03 Proceedings of the 16th International Conference on Computer Animation and Social Agents (CASA 2003)
  • Year:
  • 2003

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Abstract

To present an accurate and compelling view of a new environment,architectural and urban planning applicationsboth require animations of people. Ideally, these animationswould be easy for a non-programmer to construct, justas buildings and streets can be modeled by an architect orartist using commercial modeling software. In this paper,we explore an approach for generating reactive path followingbased on the user's examples of the desired behavior.The examples are used to build a model of the desired reactivebehavior. The model is combined with reactive controlmethods to produce natural 2D pedestrian trajectories. Thesystem then automatically generates 3D pedestrian locomotionusing motion capture resequencing algorithms. We discussthe accuracy of the model of pedestrian motion andshow that simple direction primitives can be recorded andused to build natural, reactive, path-following behaviors.