414 search results - page 19 / 83 » Geometric Semigroup Theory |
STOC
2010
ACM
14 years 12 days ago
2010
ACM
There has been much progress on geometric set cover problems, but most known techniques only apply to the unweighted setting. For the weighted setting, very few results are known ...
WSCG
2004
13 years 9 months ago
2004
A geometrical modelling tool allowing construction of models of living cells and their organelles would facilitate understanding of biological processes at the cellular level. Her...
SCALESPACE
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. The Mumford-Shah functional minimization, and related algorithms for image segmentation, involve a tradeoff between a twodimensional image structure and one-dimensional ...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
Abstract. In this work we study the problem of reconstructing an image from a perceptual segmentation based on a geometric classification of its points using non-linear curvature f...
COMBINATORICS
2004
13 years 7 months ago
2004
Abstract. We use the theory of hyperplane arrangements to construct natural bases for the homology of partition lattices of types A, B and D. This extends and explains the "sp...