Shape-Similarity Search of 3D Models by using Enhanced Shape Functions

  • Authors:
  • Ryutarou Ohbuchi;Takahiro Minamitani;Tsuyoshi Takei

  • Affiliations:
  • -;-;-

  • Venue:
  • TPCG '03 Proceedings of the Theory and Practice of Computer Graphics 2003
  • Year:
  • 2003

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Abstract

In this paper, we propose a pair of shape features forshape-similarity search of 3D polygonal-mesh models. Theshape features are extension of the D2 shape functionsproposed by Osada et al. [Osada01, Osada02]. Ourproposed shape features are tolerant of topologicalvariations and geometrical degeneracies. Our shapefeature is also invariant to similarity transformation.Experiments showed that, with only modest increase incomputational cost, our shape feature achieved significantperformance improvement over Osada's D2.