190 search results - page 8 / 38 » Evaluating Clustering Algorithms: Cluster Quality and Featur... |
KDD
2005
ACM
14 years 8 months ago
2005
ACM
We propose a hybrid, unsupervised document clustering approach that combines a hierarchical clustering algorithm with Expectation Maximization. We developed several heuristics to ...
PRL
2006
13 years 7 months ago
2006
A wrapped feature selection process is proposed in the context of robust clustering based on Laplace mixture models. The clustering approach we consider is a generalization of the...
JMM2
2008
13 years 7 months ago
2008
As computer and database technologies advance rapidly, biologists all over the world can share biologically meaningful data from images of specimens and use the data to classify th...
ICPR
2010
IEEE
13 years 5 months ago
2010
IEEE
We report performance evaluation of our automatic feature discovery method on the publicly available Gisette dataset: a set of 29 features discovered by our method ranks 129 among...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We propose a methodology for improved segmentation of images in a Bayesian framework by fusion of color, texture and gradient information. The proposed algorithm is initialized by...