1387 search results - page 191 / 278 » Convexity in Discrete Space |
SIAMNUM
2011
13 years 3 months ago
2011
We present a method to approximate (in any space dimension) diffusion equations with schemes having a specific structure; this structure ensures that the discrete local maximum a...
COMPGEOM
2011
ACM
13 years 15 days ago
2011
ACM
Many real-world data sets can be viewed of as noisy samples of special types of metric spaces called metric graphs [16]. Building on the notions of correspondence and GromovHausdo...
FOCM
2011
13 years 12 days ago
2011
We consider a wide class of semi linear Hamiltonian partial differential equations and their approximation by time splitting methods. We assume that the nonlinearity is polynomia...
COMPGEOM
2007
ACM
13 years 10 months ago
2007
ACM
Computing shadow boundaries is a difficult problem in the case of non-point light sources. A point is in the umbra if it does not see any part of any light source; it is in full l...
ECCV
2008
Springer
14 years 10 months ago
2008
Springer
Abstract. We propose a novel method for action detection based on a new action descriptor called a shape flow that represents both the shape and movement of an object in a holistic...