A shape descriptor for real time 3D foot pose estimation

  • Authors:
  • Ho-Geun Song;Ha-Sung Koo

  • Affiliations:
  • Department of Computer & Information Engineering, Hanseo University, Seosan-si, Chungcheongnam-do, Korea;Department of Computer & Information Engineering, Hanseo University, Seosan-si, Chungcheongnam-do, Korea

  • Venue:
  • ISCGAV'10 Proceedings of the 10th WSEAS international conference on Signal processing, computational geometry and artificial vision
  • Year:
  • 2010

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Abstract

This paper proposes the effective shape descriptor for 3D foot pose estimation. To reduce processing time, silhouette-based foot image database is built and meta information which involves the 3D pose of the foot is appended to the database. And we proposed a modified Centroid Contour Distance whose size of the feature space is small and performance of pose estimation is better than the others. In order to analyze performance of the descriptor, we evaluate time and spatial complexity with retrieval accuracy, and then compare with the previous methods. Experimental results show that the proposed descriptor is more effective than the previous methods on feature extraction time and pose estimation accuracy.