Projected Area Based 3D Shape Similarity Evaluation

  • Tetsuo Miyake
  • Naoya Iwata
  • Satoshi Horihata
  • Zhong Zhang
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4245)


Because the appearance of 3D objects changes according to viewing directions, it is not easy to evaluate similarity between two objects in a few appearances. In this paper we propose similarity measure between two shapes of 3D objects. The feature of a shape is represented by a distribution of a projected area on a unit sphere, and the distribution is expanded in spherical harmonics. The degree of similarity between several kinds of shape is calculated and is compared with human sense. The results of computer simulation demonstrate the validity of our method.


Similarity Measure Spherical Harmonic Projected Area Thin Body Human Sense 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Tetsuo Miyake
    • 1
  • Naoya Iwata
    • 2
  • Satoshi Horihata
    • 1
  • Zhong Zhang
    • 1
  1. 1.Dept. of Prod. Sys. Eng.Toyohashi University of TechnologyTenpaku, ToyohashiJapan
  2. 2.Toyohashi University of Technology. Now in Aishin AW Co., LTDAnjo City, AichiJapan

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