Authoring Rules for Bodily Interaction: From Example Clips to Continuous Motions

  • Klaus Förger
  • Tapio Takala
  • Roberto Pugliese
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7502)

Abstract

We explore motion capture as a means for generating expressive bodily interaction between humans and virtual characters. Recorded interactions between humans are used as examples from which rules are formed that control reactions of a virtual character to human actions. The author of the rules selects segments considered important and features that best describe the desired interaction. These features are motion descriptors that can be calculated in real-time such as quantity of motion or distance between the interacting characters. The rules are authored as mappings from observed descriptors of a human to the desired descriptors of the responding virtual character. Our method enables a straightforward process of authoring continuous and natural interaction. It can be used in games and interactive animations to produce dramatic and emotional effects. Our approach requires less example motions than previous machine learning methods and enables manual editing of the produced interaction rules.

Keywords

animation motion capture bodily interaction continuous interaction authoring behavior 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Klaus Förger
    • 1
  • Tapio Takala
    • 1
  • Roberto Pugliese
    • 1
  1. 1.Department of Media Technology, School of ScienceAalto UniversityEspooFinland

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