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Appearance Preserving Octree-Textures

hal.structure.identifierLaboratoire Informatique de l'Université de Pau et des Pays de l'Adour [LIUPPA]
dc.contributor.authorLACOSTE, Julien
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.identifierLaboratoire Informatique de l'Université de Pau et des Pays de l'Adour [LIUPPA]
dc.contributor.authorJOBARD, Bruno
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.accessioned2024-04-15T09:55:55Z
dc.date.available2024-04-15T09:55:55Z
dc.date.issued2007
dc.date.conference2007-12-03
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/198787
dc.description.abstractEnBecause of their geometric complexity, high resolution 3D models, either designed in high-end modeling packages or acquired with range scanning devices, cannot be directly used in applications that require rendering at interactive framerates. One clever method to overcome this limitation is to perform an appearance preserving geometry simplification, by replacing the original model with a low resolution mesh equipped with high resolution normal maps. This process visually preserves small scale features from the initial geometry, while only requiring a reduced set of polygons. However, this conversion usually relies on some kind of global or piecewise parameterization, combined with the generation of a texture atlas, a process that is computationally expensive and requires precise user supervision. In this paper, we propose an alternative method in which the normal field of a high resolution model is adaptively sampled and encoded in an octree-based data structure, that we call appearance preserving octree-texture (APO). Our main contributions are: a normal-driven octree generation, a compact encoding and an efficient look-up algorithm. Our method is efficient, totally automatic, and avoids the expensive creation of a parameterization with its corresponding texture atlas.
dc.language.isoen
dc.subject.enappearance preservation
dc.subject.enoctree
dc.subject.enreal-time shading
dc.subject.ennormal mapping
dc.title.enAppearance Preserving Octree-Textures
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.titleACM Graphite
bordeaux.countryAU
bordeaux.conference.cityPerth
bordeaux.peerReviewedoui
hal.identifierinria-00260905
hal.version1
hal.invitednon
hal.proceedingsoui
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//inria-00260905v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.date=2007&rft.au=LACOSTE,%20Julien&BOUBEKEUR,%20Tamy&JOBARD,%20Bruno&SCHLICK,%20Christophe&rft.genre=unknown


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