Perceptual evaluation of footskate cleanup

  • Authors:
  • Martin Pražák;Ludovic Hoyet;Carol O'Sullivan

  • Affiliations:
  • Trinity College Dublin;Trinity College Dublin;Trinity College Dublin

  • Venue:
  • SCA '11 Proceedings of the 2011 ACM SIGGRAPH/Eurographics Symposium on Computer Animation
  • Year:
  • 2011

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Abstract

When animating virtual humans for real-time applications such as games and virtual reality, animation systems often have to edit motions in order to be responsive. In many cases, contacts between the feet and the ground are not (or cannot be) properly enforced, resulting in a disturbing artifact know as footsliding or footskate. In this paper, we explore the perceptibility of this error and show that participants can perceive even very low levels of footsliding (