Marker-less whole body skeletal motion analysis based on a body surface model constructed from multi-camera images

Toshikuni Saito*, Naoki Suzuki, Asaki Hattori, Mitsuhiro Hayashibe, Shigeyuki Suzuki, Yoshito Otake

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


We have been developing the image capturing system using multi-camera known as "Dynamic Spatial Video Camera (DSVC)" system to measure and observe human locomotion quantitatively and freely And a four-dimensional (4D) human model with detailed skeletal structures, joints, muscles, and motor functionality has been built to analyze dynamic inner structure in human motion. The purpose of our research was to estimate skeletal movements from body surface shapes using DSVC and a 4D human model. For this purpose, we constructed a body surface model of a subject and resized the standard 4D human model to match that with geometrical features of the subject's body surface model. Software that integrates the DSVC system and the 4D human model, and allows dynamic skeletal state analysis from body surface movement data was also developed. We applied the developed system in dynamic skeletal state analysis of human in motion and were able to visualize the results of analysis using geometrically resized 4D human model.

Original languageEnglish
Pages (from-to)24-26
Number of pages3
JournalInternational Journal of Computer Assisted Radiology and Surgery
Issue numberSUPPL. 7
Publication statusPublished - 2006 Jun
Externally publishedYes


  • 4D human model
  • 4D motion analysis
  • Dynamic spatial video camera

ASJC Scopus subject areas

  • Surgery
  • Biomedical Engineering
  • Radiology Nuclear Medicine and imaging
  • Computer Vision and Pattern Recognition
  • Health Informatics
  • Computer Science Applications
  • Computer Graphics and Computer-Aided Design


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