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  Effective Multi-resolution Rendering and Texture Compression for Captured Volumetric Trees

Linz, C., Drettakis, G., Magnor, M., & Reche-Martinez, A. (2006). Effective Multi-resolution Rendering and Texture Compression for Captured Volumetric Trees. In E. Galin, & N. Chiba (Eds.), Proceedings of the Eurographics Workshop on Natural Phenomena (pp. 83-90). Aire-la-Ville, Switzerland: Eurographics.

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Urheber

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 Urheber:
Linz, Christian1, 2, Autor           
Drettakis, George, Autor
Magnor, Marcus2, Autor           
Reche-Martinez, Alex, Autor
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              
2Graphics - Optics - Vision, MPI for Informatics, Max Planck Society, ou_1116549              

Inhalt

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Schlagwörter: -
 Zusammenfassung: Trees can be realistically rendered in synthetic environments by creating volumetric representations from photographs. Volumetric trees created with previous methods are expensive to render due to the high number of primitives, and have very high texture memory requirements. We present an efficient multi-resolution rendering method and an effective texture compression solution, addressing both shortcomings. Our method uses an octree with appropriate textures at intermediate hierarchy levels and applies an effective pruning strategy. For texture compression, we adapt a vector quantization approach to use a perceptually accurate colour space, and modify the codebook generation of the Generalized Lloyd Algorithm to further improve texture quality. Combined with several hardware accelerations, our approach achieves a two orders of magnitude reduction in texture memory requirements; in addition, it is now possible to render tens or even hundreds of captured trees at interactive rates.

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Sprache(n): eng - English
 Datum: 2007-03-042006
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: Aire-la-Ville, Switzerland : Eurographics
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 520720
Anderer: Local-ID: C1256BDE005F57A8-711169B08EC1CDC9C12571E900297E6A-Linz2006b
 Art des Abschluß: -

Veranstaltung

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Titel: Untitled Event
Veranstaltungsort: Vienna, Austria
Start-/Enddatum: 2006-09-05 - 2006-09-05

Entscheidung

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Quelle 1

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Titel: Proceedings of the Eurographics Workshop on Natural Phenomena
Genre der Quelle: Konferenzband
 Urheber:
Galin, Eric, Herausgeber
Chiba, Norishige, Herausgeber
Affiliations:
-
Ort, Verlag, Ausgabe: Aire-la-Ville, Switzerland : Eurographics
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 83 - 90 Identifikator: -