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» Deflating polygons to the limit
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GMP
2010
IEEE
190views Solid Modeling» more  GMP 2010»
15 years 1 months ago
Construction of Subdivision Surfaces by Fourth-Order Geometric Flows with G1 Boundary Conditions
In this paper, we present a method for constructing Loop’s subdivision surface patches with given G1 boundary conditions and a given topology of control polygon of the subdivisi...
Guoliang Xu, Qing Pan
CORR
1999
Springer
89views Education» more  CORR 1999»
14 years 9 months ago
Ununfoldable Polyhedra with Convex Faces
Unfolding a convex polyhedron into a simple planar polygon is a well-studied problem. In this paper, we study the limits of unfoldability by studying nonconvex polyhedra with the ...
Marshall W. Bern, Erik D. Demaine, David Eppstein,...
IJCGA
2010
86views more  IJCGA 2010»
14 years 8 months ago
Leaving an Unknown Maze Using an Error-Prone Compass
Imagine you are trapped in a maze of caves. All you have is an old rusty compass and barely enough light to read it. How much inaccuracy can you allow to ensure that you can leave...
Tom Kamphans, Elmar Langetepe
MM
2005
ACM
188views Multimedia» more  MM 2005»
15 years 3 months ago
Detecting group activities using rigidity of formation
Most work in human activity recognition is limited to relatively simple behaviors like sitting down, standing up or other dramatic posture changes. Very little has been achieved i...
Saad M. Khan, Mubarak Shah
GRAPHICSINTERFACE
2000
14 years 11 months ago
Model Simplification Through Refinement
As modeling and visualization applications proliferate, there arises a need to simplify large polygonal models at interactive rates. Unfortunately existing polygon mesh simplifica...
Dmitry Brodsky, Benjamin Watson