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» Modeling Concurrency with Geometry
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CGF
2005
138views more  CGF 2005»
15 years 6 months ago
Approximation of a Variable Density Cloud of Points by Shrinking a Discrete Membrane
This paper describes a method to obtain a closed surface that approximates a general 3D data point set with non-uniform density. Aside from the positions of the initial data point...
Jordi Esteve, Pere Brunet, Alvar Vinacua
CGF
2004
108views more  CGF 2004»
15 years 6 months ago
Interference Detection for Subdivision Surfaces
Accurate and robust interference detection and ray-tracing of subdivision surfaces requires safe linear approximations. Approximation of the limit surface by the subdivided contro...
Xiaobin Wu, Jörg Peters
CGF
2002
116views more  CGF 2002»
15 years 6 months ago
Deferred, Self-Organizing BSP Trees
BSP trees and KD trees are fundamental data structures for collision detection in walkthrough environments. A basic issue in the construction of these hierarchical data structures...
Sigal Ar, Gil Montag, Ayellet Tal
CVGIP
2002
174views more  CVGIP 2002»
15 years 6 months ago
Computing quadric surface intersections based on an analysis of plane cubic curves
Computing the intersection curve of two quadrics is a fundamental problem in computer graphics and solid modeling. We present an algebraic method for classifying and parameterizin...
Wenping Wang, Barry Joe, Ronald N. Goldman
IJON
2000
99views more  IJON 2000»
15 years 6 months ago
Visualizing the visual system
As part of a forthcoming planetarium show about the human brain, we are producing realistic models of the central nervous system at a variety of scales, from whole brain images to...
Greg Hood, John Burkardt, Greg Foss