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  Incremental Raycasting of Piecewise Quadratic Surfaces on the GPU

Stoll, C., Gumhold, S., & Seidel, H.-P. (2006). Incremental Raycasting of Piecewise Quadratic Surfaces on the GPU. In IEEE Symposium on Interactive Raytracing 2006 Proceedings (pp. 141-150). Piscataway, USA: IEEE.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-2333-F Version Permalink: https://hdl.handle.net/21.11116/0000-000E-2F01-D
Genre: Conference Paper

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 Creators:
Stoll, Carsten1, Author           
Gumhold, Stefan1, Author           
Seidel, Hans-Peter1, Author                 
Wald, Ingo1, Editor           
Parke, Steven G., Editor
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1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              

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 Abstract: To overcome the limitations of triangle and point based surfaces several authors have recently investigated surface representations that are based on higher order primitives. Among these are MPU, SLIM surfaces, dynamic skin surfaces and higher order isosurfaces. Up to now these representations were not suitable for interactive applications because of the lack of an efficient rendering algorithm. In this paper we close this gap for implicit surface representations of degree two by developing highly optimized GPU implementations of the raycasting algorithm. We investigate techniques for fast incremental raycasting and cover per fragment and per quadric backface culling. We apply the approaches to the rendering of SLIM surfaces, quadratic iso-surfaces over tetrahedral meshes and bilinear quadrilaterals. Compared to triangle based surface approximations of similar geometric error we achieve only slightly lower frame rates but with much higher visual quality due to the quadratic approximation power of the underlying surfaces.

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Language(s): eng - English
 Dates: 2007-03-072006
 Publication Status: Issued
 Pages: -
 Publishing info: Piscataway, USA : IEEE
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 Rev. Type: -
 Identifiers: eDoc: 314543
Other: Local-ID: C125675300671F7B-570FDF134DD31F9BC1257209004E68E2-StollRT06
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Title: Untitled Event
Place of Event: Salt Lake City, USA
Start-/End Date: 2006-09-18

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Title: IEEE Symposium on Interactive Raytracing 2006 Proceedings
Source Genre: Proceedings
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Publ. Info: Piscataway, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 141 - 150 Identifier: ISBN: 1-4244-0693-5

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Title: IEEE Symposium on Interactive Raytracing Proceedings
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