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The Visual Computer

, Volume 16, Issue 5, pp 254–270 | Cite as

Creating and retargetting motion by the musculoskeletal human body model

  • Taku Komura
  • Yoshihisa Shinagawa
  • Tosiyasu L. Kunii
Original article

Recently, optimization has been used in various ways to interpolate or retarget human body motions obtained by motion-capturing systems. However, in such cases, the inner structure of a human body has rarely been taken into account, and hence there have been difficulties in simulating physiological effects such as fatigue or injuries. In this paper, we propose a method to create/retarget human body motions using a musculoskeletal human body model. Using our method, it is possible to create dynamically and physiologically feasible motions. Since a muscle model based on Hill's model is included in our system, it is also possible to retarget the original motion by changing muscular parameters. For example, using the muscle fatigue model, a motion where a human body gradually gets tired can be simulated. By increasing the maximal force exertable by the muscles, or decreasing it to zero, training or displacement effects of muscles can also be simulated. Our method can be used for biomechanically correct inverse kinematics, interpolation of motions, and physiological retargetting of the human body motion.

Key words: Human animation – Muscle-based model – Motion retargetting – Motion synthesis 

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Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • Taku Komura
    • 1
  • Yoshihisa Shinagawa
    • 1
  • Tosiyasu L. Kunii
    • 2
  1. 1.Department of Information Science, Graduate School of Science, University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, Japan 113-0033JP
  2. 2.Hosei University, Computing Science Research Center, 3-7-2 Kajino-chou Koganei City, Tokyo, Japan 184-8584 e-mail: kohmura@is.s.u-tokyo.ac.jp, sinagawa@is.s.u-tokyo.ac.jp, kunii@k.hosei.ac.jpJP

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