Nonlinear body pose estimation from depth images

  • Authors:
  • Daniel Grest;Jan Woetzel;Reinhard Koch

  • Affiliations:
  • Multimedia Information Processing, Christian-Albrechts-University Kiel, Germany;Multimedia Information Processing, Christian-Albrechts-University Kiel, Germany;Multimedia Information Processing, Christian-Albrechts-University Kiel, Germany

  • Venue:
  • PR'05 Proceedings of the 27th DAGM conference on Pattern Recognition
  • Year:
  • 2005

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Abstract

This paper focuses on real-time markerless motion capture. The body pose of a person is estimated from depth images using an Iterative Closest Point algorithm. We present a very efficient approach, that estimates up to 28 degrees of freedom from 1000 data points with 4Hz. This is achieved by nonlinear optimization techniques using an analytically derived Jacobian and highly optimized correspondence search.