414 search results - page 70 / 83 » Geometric Semigroup Theory |
ISVD
2010
IEEE
13 years 6 months ago
2010
IEEE
—We study the topology of the Megaparsec Cosmic Web on the basis of the Alpha Shapes of the galaxy distribution. The simplicial complexes of the alpha shapes are used to determin...
ISVD
2010
IEEE
13 years 6 months ago
2010
IEEE
—In this paper, we present a Delaunay refinement algorithm for meshing 3D medical images. We prove that (a) all the tetrahedra of the output mesh have radius-edge ratio less tha...
TMI
2010
13 years 5 months ago
2010
Abstract—The pinhole camera in single photon emission computed tomography (SPECT) has an inherent trade-off between resolution and sensitivity. Recent systems overcome this to so...
GIS
2010
ACM
13 years 5 months ago
2010
ACM
We consider the problem of automatically cleaning massive sonar data point clouds, that is, the problem of automatically removing noisy points that for example appear as a result ...
ICML
2010
IEEE
13 years 5 months ago
2010
IEEE
This paper proposes a new method for comparing clusterings both partitionally and geometrically. Our approach is motivated by the following observation: the vast majority of previ...