An improved coordinate system for point correspondences of 2D articulated shapes

  • Authors:
  • Adrian Ion;Yll Haxhimusa;Walter G. Kropatsch

  • Affiliations:
  • Pattern Recognition and Image Processing Group, Faculty of Informatics, Vienna University of Technology, Austria;Pattern Recognition and Image Processing Group, Faculty of Informatics, Vienna University of Technology, Austria;Pattern Recognition and Image Processing Group, Faculty of Informatics, Vienna University of Technology, Austria

  • Venue:
  • DGCI'09 Proceedings of the 15th IAPR international conference on Discrete geometry for computer imagery
  • Year:
  • 2009

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Abstract

To find corresponding points in different poses of the same articulated shape, a non rigid coordinate system is used. Each pixel of each shape is identified by a pair of distinct coordinates. The coordinates are used to address corresponding points. This paper proposes a solution to a discretization problem identified in a previous approach. The polar like coordinate system is computed in a space where the problem cannot occur, followed by mapping the computed coordinates to pixels.