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JCSS
2002
199views more  JCSS 2002»
15 years 6 months ago
A Constant-Factor Approximation Algorithm for the k-Median Problem
We present the first constant-factor approximation algorithm for the metric k-median problem. The k-median problem is one of the most well-studied clustering problems, i.e., those...
Moses Charikar, Sudipto Guha, Éva Tardos, D...
WILF
2009
Springer
791views Fuzzy Logic» more  WILF 2009»
16 years 5 months ago
Fuzzy C-Means Inspired Free Form Deformation Technique for Registration
This paper presents a novel method aimed to free form deformation function approximation for purpose of image registration. The method is currently feature-based. The algorithm i...
Edoardo Ardizzone, Orazio Gambino, Roberto Gallea,...
IJCNN
2008
IEEE
16 years 26 days ago
On the sample mean of graphs
— We present an analytic and geometric view of the sample mean of graphs. The theoretical framework yields efficient subgradient methods for approximating a structural mean and ...
Brijnesh J. Jain, Klaus Obermayer
EUSFLAT
2009
194views Fuzzy Logic» more  EUSFLAT 2009»
15 years 4 months ago
A Fuzzy Particle Swarm Optimization Algorithm for a Cell Formation Problem
Group technology (GT) is a useful way to increase productivity with high quality in cellular manufacturing systems (CMSs), in which cell formation (CF) is a key step in the GT phil...
Esmaeil Mehdizadeh, Reza Tavakkoli-Moghaddam
AVI
2008
15 years 8 months ago
Starburst: a target expansion algorithm for non-uniform target distributions
Acquiring small targets on a tablet or touch screen can be challenging. To address the problem, researchers have proposed techniques that enlarge the effective size of targets by ...
Patrick Baudisch, Alexander Zotov, Edward Cutrell,...