Towards Stable and Salient Multi-View Representation of 3D Shapes

  • Authors:
  • Hitoshi Yamauchi;Waqar Saleem;Shin Yoshizawa;Zachi Karni;Alexander Belyaev;Hans-Peter Seidel

  • Affiliations:
  • MPI Informatik, Germany;MPI Informatik, Germany;MPI Informatik, Germany;MPI Informatik, Germany;MPI Informatik, Germany;MPI Informatik, Germany

  • Venue:
  • SMI '06 Proceedings of the IEEE International Conference on Shape Modeling and Applications 2006
  • Year:
  • 2006

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Abstract

An approach to automatically select stable and salient representative views of a given 3D object is proposed. Initially, a set of viewpoints are uniformly sampled along the surface of a bounding sphere. The sampled viewpoints are connected to their closest points to form a spherical graph in which each edge is weighted by a similarity measure between the two views from its incident vertices. Partitions of similar views are obtained using a graph partitioning procedure and their "centroids" are considered to be their representative views. Finally, the views are ranked based on a saliency measure to form the object's representative views. This leads to a compact, human-oriented 2D description of a 3D object, and as such, is useful both for traditional applications like presentation and analysis of 3D shapes, and for emerging ones like indexing and retrieval in large shape repositories.