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QAS: Real-time Quadratic Approximation of Subdivision Surfaces.

hal.structure.identifierVisualization and manipulation of complex data on wireless mobile devices [IPARLA]
hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
dc.contributor.authorBOUBEKEUR, Tamy
hal.structure.identifierVisualization and manipulation of complex data on wireless mobile devices [IPARLA]
hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
dc.contributor.authorSCHLICK, Christophe
dc.date.accessioned2024-04-15T09:56:03Z
dc.date.available2024-04-15T09:56:03Z
dc.date.issued2007
dc.date.conference2007-10-29
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/198798
dc.description.abstractEnWe introduce QAS, an efficient quadratic approximation of subdivision surfaces which offers a very close appearance compared to the true subdivision surface but avoids recursion, providing at least one order of magnitude faster rendering. QAS uses enriched polygons, equipped with edge vertices, and replaces them on-the-fly with low degree polynomials for interpolating positions and normals. By systematically projecting the vertices of the input coarse mesh at their limit position on the subdivision surface, the visual quality of the approximation is good enough for imposing only a single subdivision step, followed by our patch fitting, which allows real-time performances for million polygons output. Additionally, the parametric nature of the approximation offers an efficient adaptive sampling for rendering and displacement mapping. Last, the hexagonal support associated to each coarse triangle is adapted to geometry processors.
dc.language.isoen
dc.subject.enSubdivision Surface
dc.subject.enreal-time geometry synthesis
dc.subject.enreal-time rendering
dc.subject.ensurface approximation
dc.subject.enmesh refinement
dc.subject.enGPU technique
dc.title.enQAS: Real-time Quadratic Approximation of Subdivision Surfaces.
dc.typeCommunication dans un congrès
dc.subject.halInformatique [cs]/Synthèse d'image et réalité virtuelle [cs.GR]
bordeaux.hal.laboratoriesLaboratoire Bordelais de Recherche en Informatique (LaBRI) - UMR 5800*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.conference.titlePacific Graphics
bordeaux.countryUS
bordeaux.conference.cityHawaii
bordeaux.peerReviewedoui
hal.identifierinria-00260834
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//inria-00260834v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2007&rft.au=BOUBEKEUR,%20Tamy&SCHLICK,%20Christophe&rft.genre=unknown


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