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dc.contributor.authorSong, Y.
dc.contributor.authorVergeest, J. S. M.
dc.contributor.authorWang, C.
dc.contributor.editorSkala, Václav
dc.date.accessioned2013-09-27T12:55:50Z
dc.date.available2013-09-27T12:55:50Z
dc.date.issued2004
dc.identifier.citationWSCG '2004: Short Communications: the 12-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2004, 2.-6. February 2004 Plzeň, p. 243-250.en
dc.identifier.isbn80-903100-5-2
dc.identifier.urihttp://wscg.zcu.cz/wscg2004/Papers_2004_Short/G03.pdf
dc.identifier.urihttp://hdl.handle.net/11025/6252
dc.description.abstractIn many computer graphics and computer-aided design problems, it is very common to find a smooth and well structured surface to fit a set of unstructured 3-dimensional data. Although general approaches of fitting give satisfactory results, the computation time and the complexity often prevent their further developments in more complex cases especially in reusing an existing design. In this paper, for a better control of existing freeform shapes, they are approximated by feature templates, with emphasis on extendable templates. By the advantage of the small number of intrinsic parameters in the feature based deformable templates, fitting procedures are faster and more robust. Three key types of simple freeform templates, the bump, the ridge and the hole, are introduced first. With distance measuring methods, a uniform optimization function is presented to achieve automatic feature recognition and fitting. By introducing the extendable template, the hole and the ridge template are further developed to match complex freeform shapes. Based on the approximated template, further shape manipulations can be conducted effectively using the shape intrinsic parameters. Numerical experiments are conducted in order to verify the proposed algorithms. It is also described how the matching technique can be applied in computer graphics and computer-aided design applications.en
dc.format8 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherVáclav Skala - UNION Agencyen
dc.relation.ispartofseriesWSCG '2004: Short Communicationsen
dc.rights© Václav Skala - UNION Agencycs
dc.subject3D tvarycs
dc.subjectměření podobnostics
dc.subjectrozpoznávání znakůcs
dc.subjectvolně tvořený tvarcs
dc.titleAutomatic fitting and control of complex freeform shapesen
dc.typekonferenční příspěvekcs
dc.typeconferenceObjecten
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.subject.translated3D shapesen
dc.subject.translatedsimilarity measurementen
dc.subject.translatedfeature recognitionen
dc.subject.translatedfreeform shapeen
dc.type.statusPeer-revieweden
Appears in Collections:WSCG '2004: Short Communications

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