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» Computational geometry: a retrospective
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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
TVCG
2012
179views Hardware» more  TVCG 2012»
13 years 9 months ago
Parallel Computation of 2D Morse-Smale Complexes
—The Morse-Smale complex is a useful topological data structure for the analysis and visualization of scalar data. This paper describes an algorithm that processes all mesh eleme...
Nithin Shivashankar, Senthilnathan M, Vijay Natara...
ICIP
1998
IEEE
16 years 8 months ago
Direct Computation of Differential Invariants of Image Contours from Shading
In this paper we present a framework combining differential geometry and scale-space to show that local geometric invariants of image contours such as tangent, curvature and deriv...
Liangyin Yu, Charles R. Dyer
ECAL
2005
Springer
16 years 20 hour ago
A Computational Model of Cellular Morphogenesis in Plants
Plant morphogenesis is the development of plant form and structure by coordinated cell division and growth. We present a dynamic computational model of plant morphogenesis at cellu...
Tim Rudge, Jim Haseloff
COMPGEOM
2004
ACM
15 years 12 months ago
Computing persistent homology
We show that the persistent homology of a filtered ddimensional simplicial complex is simply the standard homology of a particular graded module over a polynomial ring. Our analy...
Afra Zomorodian, Gunnar Carlsson