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SMI
2006
IEEE
15 years 3 months ago
2006
IEEE
Databases of 3D shapes have become widespread for a variety of applications, and a key research problem is searching these databases for similar shapes. This paper introduces a me...
SMI
2005
IEEE
15 years 3 months ago
2005
IEEE
Distance fields provide an implicit representation of shape that has advantages in many application areas; in this overview, we focus on their use in digital design. Distance fi...
SMI
2005
IEEE
15 years 3 months ago
2005
IEEE
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...
SMI
2005
IEEE
15 years 3 months ago
2005
IEEE
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...
SMI
2005
IEEE
15 years 3 months ago
2005
IEEE
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...