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Local Reconstruction and Visualization of Point-Based Surfaces Using Subdivision Surfaces

Tamy Boubekeur 1, 2 Patrick Reuter 1, 2 Christophe Schlick 1, 2
1 IPARLA - Visualization and manipulation of complex data on wireless mobile devices
INRIA Futurs, Université Sciences et Technologies - Bordeaux 1, École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB), CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : Point-Based Surfaces, i.e. surfaces represented by discrete point sets which are either directly obtained by current 3D acquisition devices or converted from other surface representations, are well designed for multiresolution storage and transmission of complex objects. Unfortunately, visualization of point-based surfaces requires to develop specific rendering techniques (e.g. splatting) since point sets are not well adapted to existing graphics hardware which is optimized for polygonal meshes. In this paper, we propose an efficient reconstruction and visualization technique of point-based surfaces that takes full benefit from the entire optimized pipeline implemented in graphics hardware. The basic idea is to generate a set of independent meshes using a local 2D Delaunay triangulation of the point set. These meshes are then glued together to get a visual continuity by using a subdivision process.
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Tamy Boubekeur, Patrick Reuter, Christophe Schlick. Local Reconstruction and Visualization of Point-Based Surfaces Using Subdivision Surfaces. Computer graphics & geometry, Moscow Engineering Physics Institute (MEPhI), 2006, 8 (1), pp.22-40. ⟨inria-00260899⟩

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