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SMI
2005
IEEE
13 years 10 months ago
Subdomain Aware Contour Trees and Contour Evolution in Time-Dependent Scalar Fields
For time-dependent scalar fields, one is often interested in topology changes of contours in time. In this paper, we focus on describing how contours split and merge over a certa...
Andrzej Szymczak
SMI
2005
IEEE
13 years 10 months ago
Two-Dimensional Visibility Charts for Continuous Curves
This paper considers computation of visibility for twodimensional shapes whose boundaries are C1 continuous curves. We assume we are given a one-parameter family of candidate view...
Gershon Elber, Robert Sayegh, Gill Barequet, Ralph...
SMI
2005
IEEE
111views Image Analysis» more  SMI 2005»
13 years 10 months ago
Rational Spherical Splines for Genus Zero Shape Modeling
Traditional approaches for modeling a closed manifold surface with either regular tensor-product or triangular splines (defined over an open planar domain) require decomposing th...
Ying He 0001, Xianfeng Gu, Hong Qin