Single view motion tracking by depth and silhouette information

  • Authors:
  • Daniel Grest;Volker Krüger;Reinhard Koch

  • Affiliations:
  • Aalborg University Copenhagen, Denmark and Aalborg Media Lab;Aalborg University Copenhagen, Denmark and Aalborg Media Lab;Christian-Albrechts-University Kiel, Germany and Multimedia Information Processing

  • Venue:
  • SCIA'07 Proceedings of the 15th Scandinavian conference on Image analysis
  • Year:
  • 2007

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Abstract

In this work1a combination of depth and silhouette information is presented to track the motion of a human from a single view. Depth data is acquired from a Photonic Mixer Device (PMD), which measures the time-of-flight of light. Correspondences between the silhouette of the projected model and the real image are established in a novel way, that can handle cluttered non-static backgrounds. Pose is estimated by Nonlinear Least Squares, which handles the underlying dynamics of the kinematic chain directly. Analytic Jacobians allow pose estimation with 5 FPS.