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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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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-24AC-C Version Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-24AD-A
Genre: Conference Paper

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

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 Abstract: 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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Language(s): eng - English
 Dates: 2007-03-042006
 Publication Status: Issued
 Pages: -
 Publishing info: Aire-la-Ville, Switzerland : Eurographics
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 520720
Other: Local-ID: C1256BDE005F57A8-711169B08EC1CDC9C12571E900297E6A-Linz2006b
 Degree: -

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Title: Untitled Event
Place of Event: Vienna, Austria
Start-/End Date: 2006-09-05 - 2006-09-05

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Title: Proceedings of the Eurographics Workshop on Natural Phenomena
Source Genre: Proceedings
 Creator(s):
Galin, Eric, Editor
Chiba, Norishige, Editor
Affiliations:
-
Publ. Info: Aire-la-Ville, Switzerland : Eurographics
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 83 - 90 Identifier: -