1439 search results - page 78 / 288 » Fast approximation of centrality |
CVPR
2009
IEEE
16 years 5 months ago
2009
IEEE
Normalized Cut is a widely used technique for solving a
variety of problems. Although finding the optimal normalized
cut has proven to be NP-hard, spectral relaxations can
be ap...
CVPR
2003
IEEE
15 years 12 months ago
2003
IEEE
This work explores a statistical basis for a process often described in computer vision: image segmentation by region merging following a particular order in the choice of regions...
ICASSP
2010
IEEE
14 years 10 months ago
2010
IEEE
In this paper we propose two fast Total Variation (TV) based algorithms for image restoration by utilizing variational posterior distribution approximation. The unknown image and ...
MOC
2002
14 years 9 months ago
2002
The spectral method with discrete spherical harmonics transform plays an important role in many applications. In spite of its advantages, the spherical harmonics transform has a dr...
ICIP
2007
IEEE
15 years 11 months ago
2007
IEEE
A key goal of far-field activity analysis is to learn the usual pattern of activity in a scene and to detect statistically anomalous behavior. We propose a method for unsupervised...