Smart variations: Functional substructures for part compatibility

Youyi Zheng, Daniel Cohen-Or, Niloy J. Mitra

Research output: Contribution to journalArticlepeer-review

85 Scopus citations


As collections of 3D models continue to grow, reusing model parts allows generation of novel model variations. Naïvely swapping parts across models, however, leads to implausible results, especially when mixing parts across different model families. Hence, the user has to manually ensure that the final model remains functionally valid. We claim that certain symmetric functional arrangements (sFarr-s), which are special arrangements among symmetrically related substructures, bear close relation to object functions. Hence, we propose a purely geometric approach based on such substructures to match, replace, and position triplets of parts to create non-trivial, yet functionally plausible, model variations. We demonstrate that starting even from a small set of models such a simple geometric approach can produce a diverse set of non-trivial and plausible model variations. © 2013 The Author(s) Computer Graphics Forum © 2013 The Eurographics Association and Blackwell Publishing Ltd.
Original languageEnglish (US)
Pages (from-to)195-204
Number of pages10
JournalComputer Graphics Forum
Issue number2pt2
StatePublished - May 6 2013

Bibliographical note

KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: We thank the anonymous reviewers for their useful suggestions and Melinos Averkiou for carefully proofreading the paper. The work was partially supported by the Marie Curie Career Integration Grant 303541.

ASJC Scopus subject areas

  • Computer Networks and Communications


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