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CVRMED
1997
Springer
15 years 1 months ago
Medical image segmentation using topologically adaptable surfaces
E cient and powerful topologically adaptable deformable surfaces can be created by embedding and de ning discrete deformable surface models in terms of an A ne Cell Decomposition (...
Tim McInerney, Demetri Terzopoulos
STOC
2002
ACM
99views Algorithms» more  STOC 2002»
15 years 10 months ago
Recognizing string graphs in NP
A string graph is the intersection graph of a set of curves in the plane. Each curve is represented by a vertex, and an edge between two vertices means that the corresponding curv...
Marcus Schaefer, Eric Sedgwick, Daniel Stefankovic
GECCO
2003
Springer
415views Optimization» more  GECCO 2003»
15 years 2 months ago
Evolutionary Algorithms for Two Problems from the Calculus of Variations
Abstract. A brachistochrone is the path along which a weighted particle falls most quickly from one point to another, and a catenary is the smooth curve connecting two points whose...
Bryant A. Julstrom
GRAPHICSINTERFACE
2001
14 years 11 months ago
Novel Solver for Dynamic Surfaces
Physics-based modeling integrates dynamics and geometry. The standard methods to solve the Lagrangian equations use a direct approach in the spatial domain. Though extremely power...
Sumantro Ray, Hong Qin
SCALESPACE
2007
Springer
15 years 3 months ago
The Variational Origin of Motion by Gaussian Curvature
A variational formulation of an image analysis problem has the nice feature that it is often easier to predict the eect of minimizing a certain energy functional than to interpret...
Niels Chr. Overgaard, Jan Erik Solem