Human motion reconstruction from force sensors

  • Authors:
  • Sehoon Ha;Yunfei Bai;C. Karen Liu

  • Affiliations:
  • Georgia Institute of Technology;Georgia Institute of Technology;Georgia Institute of Technology

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

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Abstract

Consumer-grade, real-time motion capture devices are becoming commonplace in every household, thanks to the recent development in depth-camera technologies. We introduce a new approach to capturing and reconstructing freeform, full-body human motion using force sensors, supplementary to existing, consumer-grade mocap systems. Our algorithm exploits the dynamic aspects of human movement, such as linear and angular momentum, to provide key information for full-body motion reconstruction. Using two pressure sensing platforms (Wii Balance Board) and a hand tracking device, we demonstrate that human motion can be largely reconstructed from ground reaction forces along with a small amount of arm movement information.