Real-Time GPU Silhouette Refinement using Adaptively Blended Bézier Patches

We present an algorithm for detecting and extracting the silhouette edges of a triangle mesh in real time using Graphical Processing Units (GPUs). We also propose a tessellation strategy for visualizing the mesh with smooth silhouettes through a continuous blend between Bézier patches with varying l...

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Bibliographic Details
Published in:Computer graphics forum Vol. 27; no. 1; pp. 1 - 12
Main Authors: Dyken, C., Reimers, M., Seland, J.
Format: Journal Article
Language:English
Published: Oxford, UK Blackwell Publishing Ltd 01.03.2008
Subjects:
1.3.3 [Three-Dimensional Graphics and Realism]: Viewing algorithms
Algorithms
Bézier Patch
Computer graphics
Geometric algorithms
GPU
I.3.5 [Computational Geometry and Object Modeling]: Curve
Languages
Silhouette
Solid and Object Representations
Studies
Surface
Systems
Triangle Mesh
ISSN:0167-7055, 1467-8659
Online Access:Get full text
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Summary:We present an algorithm for detecting and extracting the silhouette edges of a triangle mesh in real time using Graphical Processing Units (GPUs). We also propose a tessellation strategy for visualizing the mesh with smooth silhouettes through a continuous blend between Bézier patches with varying level of detail. Furthermore, we show how our techniques can be integrated with displacement and normal mapping. We give details on our GPU implementation and provide a performance analysis with respect to mesh size.
Bibliography:ark:/67375/WNG-HZ0517LS-6
ArticleID:CGF1030
istex:2FE61182C1A55F03BE89DBE089E1F6DD9B0004E4
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ObjectType-Article-2
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ISSN:0167-7055
1467-8659
DOI:10.1111/j.1467-8659.2007.01030.x