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An algorithm for deciding similarities of 3-D objects

Published: 17 June 2002 Publication History

Abstract

A new algorithm for deciding the similarity of polyhedral objects is presented. The method consists of the following five sub-procedures.
A polyhedron is decomposed into only convex components and represented as a hierarchical tree structure with those convex components, which has already been developed by the authors.
From the tree structure, a new data structure called two layer structure, which consists of convex components separated into two layers, i.e., the first layer includes only positive convex components to be added and the second layer represents negative convex components to be subtracted from positive ones, is constructed.
The two layer structure of an object is compared with that of another object.
Each component of an object is compared with the corresponding convex component of the other object.
Similarity of those two polyhedral objects is decided. In addition, similar and dissimilar parts can be recognized, even if two objects are totally not similar.
The algorithm is implemented in C language and numerical similarities are calculated for various concave polyhedrons, and the correlation coefficient between numerical similarities and our feeling is calculated. The result is over 0.8. This means that the numerical similarities closely match our expectation.

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  • (2018)An analytical representation of conformal mapping for genus-zero implicit surfaces and its application to surface shape similarity assessmentComputer-Aided Design10.1016/j.cad.2015.02.00264:C(9-21)Online publication date: 30-Dec-2018
  • (2007)Content-Based 3-D Model RetrievalIEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews10.1109/TSMCC.2007.90575637:6(1081-1098)Online publication date: 1-Nov-2007
  • (2006)Similarity comparison of mechanical parts to reuse existing designsComputer-Aided Design10.1016/j.cad.2006.05.00438:9(973-984)Online publication date: Sep-2006
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Published In

cover image ACM Conferences
SMA '02: Proceedings of the seventh ACM symposium on Solid modeling and applications
June 2002
424 pages
ISBN:1581135068
DOI:10.1145/566282
  • Conference Chairs:
  • Hans-Peter Seidel,
  • Vadim Shapiro,
  • Program Chairs:
  • Kunwoo Lee,
  • Nick Patrikalakis
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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New York, NY, United States

Publication History

Published: 17 June 2002

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Author Tags

  1. CAD/CAM
  2. geometric reasoning
  3. shape similarity
  4. solid model

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SMA '02 Paper Acceptance Rate 43 of 93 submissions, 46%;
Overall Acceptance Rate 86 of 173 submissions, 50%

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Cited By

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  • (2018)An analytical representation of conformal mapping for genus-zero implicit surfaces and its application to surface shape similarity assessmentComputer-Aided Design10.1016/j.cad.2015.02.00264:C(9-21)Online publication date: 30-Dec-2018
  • (2007)Content-Based 3-D Model RetrievalIEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews10.1109/TSMCC.2007.90575637:6(1081-1098)Online publication date: 1-Nov-2007
  • (2006)Similarity comparison of mechanical parts to reuse existing designsComputer-Aided Design10.1016/j.cad.2006.05.00438:9(973-984)Online publication date: Sep-2006
  • (2003)Shape-Similarity Comparison of 3D Models Using Alpha ShapesProceedings of the 11th Pacific Conference on Computer Graphics and Applications10.5555/946250.946958Online publication date: 8-Oct-2003
  • (2003)Shape-Similarity Search of 3D Models by using Enhanced Shape FunctionsProceedings of the Theory and Practice of Computer Graphics 200310.5555/832264.833421Online publication date: 3-Jun-2003
  • (2003)Journal of the Society of Mechanical Engineers10.1299/jsmemag.106.1014_398106:1014(398)Online publication date: 2003
  • (2003)Retrieving 3D shapes based on their appearanceProceedings of the 5th ACM SIGMM international workshop on Multimedia information retrieval10.1145/973264.973272(39-45)Online publication date: 7-Nov-2003
  • (2003)Shape-similarity search of 3D models by using enhanced shape functionsProceedings of Theory and Practice of Computer Graphics, 2003.10.1109/TPCG.2003.1206936(97-104)Online publication date: 2003
  • (2003)Shape similarity comparison of 3D models using alpha shapes11th Pacific Conference onComputer Graphics and Applications, 2003. Proceedings.10.1109/PCCGA.2003.1238271(293-302)Online publication date: 2003
  • (2002)Shape-similarity search of three-dimensional models using parameterized statistics10th Pacific Conference on Computer Graphics and Applications, 2002. Proceedings.10.1109/PCCGA.2002.1167870(265-274)Online publication date: 2002
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