Local and Global Skeleton Fitting Techniques for Optical Motion Capture

Authors:
Marius-Calin Silaghi;Ralf Plänkers;Ronan Boulic;Pascal Fua;Daniel Thalmann
Affiliations:
-;-;-;-;-
Venue:
CAPTECH '98 Proceedings of the International Workshop on Modelling and Motion Capture Techniques for Virtual Environments
Year:
1998

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Abstract

Identifying a precise anatomic skeleton is important in order to ensure high quality motion capture. In this paper we discuss two skeleton fitting techniques based on 3D optical marker data. First a local technique is proposed based on relative marker trajectories. Then it is compared to a global optimization of a skeleton model. Various proposals are made to handle the skin deformation problem. Index Terms--skeleton fitting, motion capture, optical markers.