Interaction patches for multi-character animation

  • Authors:
  • Hubert P. H. Shum;Taku Komura;Masashi Shiraishi;Shuntaro Yamazaki

  • Affiliations:
  • University of Edinburgh;University of Edinburgh;Waseda University;National Institute of Advanced, Industrial Science and Technology

  • Venue:
  • ACM SIGGRAPH Asia 2008 papers
  • Year:
  • 2008

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Abstract

We propose a data-driven approach to automatically generate a scene where tens to hundreds of characters densely interact with each other. During off-line processing, the close interactions between characters are precomputed by expanding a game tree, and these are stored as data structures called interaction patches. Then, during run-time, the system spatio-temporally concatenates the interaction patches to create scenes where a large number of characters closely interact with one another. Using our method, it is possible to automatically or interactively produce animations of crowds interacting with each other in a stylized way. The method can be used for a variety of applications including TV programs, advertisements and movies.