Group-Valued regularization for analysis of articulated motion

  • Authors:
  • Guy Rosman;Alex M. Bronstein;Michael M. Bronstein;Xue-Cheng Tai;Ron Kimmel

  • Affiliations:
  • Dept. of Computer Science, Technion - IIT, Haifa, Israel;School of Electrical Engineering Faculty of Engineering, Tel Aviv University, Ramat Aviv, Israel;Institute of Computational Science, Faculty of Informatics, Universit$#225/ della Svizzera Italiana, Lugano, Switzerland;Dept. of Mathematics, University of Bergen, Bergen, Norway;Dept. of Computer Science, Technion - IIT, Haifa, Israel

  • Venue:
  • ECCV'12 Proceedings of the 12th international conference on Computer Vision - Volume Part I
  • Year:
  • 2012

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Abstract

We present a novel method for estimation of articulated motion in depth scans. The method is based on a framework for regularization of vector- and matrix- valued functions on parametric surfaces. We extend augmented-Lagrangian total variation regularization to smooth rigid motion cues on the scanned 3D surface obtained from a range scanner. We demonstrate the resulting smoothed motion maps to be a powerful tool in articulated scene understanding, providing a basis for rigid parts segmentation, with little prior assumptions on the scene, despite the noisy depth measurements that often appear in commodity depth scanners.