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Similarity-based surface modelling using geodesic fans
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Source ACM International Conference Proceeding Series; Vol. 71 archive
Proceedings of the 2004 Eurographics/ACM SIGGRAPH symposium on Geometry processing table of contents
Nice, France
SESSION: Session 7 table of contents
Pages: 204 - 213  
Year of Publication: 2004
ISBN ~ ISSN:1727-8384 , 3-905673-13-4
Authors
Steve Zelinka  University of Illinois at Urbana-Champaign
Michael Garland  University of Illinois at Urbana-Champaign
Sponsor
Eurographics: Eurographics Association
Publisher
ACM  New York, NY, USA
Bibliometrics
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ABSTRACT

We present several powerful new techniques for similarity-based modelling of surfaces using geodesic fans, a new framework for local surface comparison. Similarity-based surface modelling provides intelligent surface manipulation by simultaneously applying a modification to all similar areas of the surface. We demonstrate similarity-based painting, deformation, and filtering of surfaces, and show how to vary our similarity measure to encompass geometry, textures, or other arbitrary signals. Geodesic fans are neighbourhoods uniformly sampled in the geodesic polar coordinates of a point on a surface. We show how geodesic fans offer fast approximate alignment and comparison of surface neighbourhoods using simple spoke reordering. As geodesic fans offer a a structurally equivalent definition of neighbourhoods everywhere on a surface, they are amenable to standard acceleration techniques and are well-suited to extending image domain methods for modelling by example to surfaces.


REFERENCES

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Collaborative Colleagues:
Steve Zelinka: colleagues
Michael Garland: colleagues