564 search results - page 64 / 113 » Experimental Comparisons of Derivative Free Optimization Alg... |
BMCBI
2005
13 years 8 months ago
2005
Background: Clustering is a key step in the analysis of gene expression data, and in fact, many classical clustering algorithms are used, or more innovative ones have been designe...
ECCV
2004
Springer
14 years 10 months ago
2004
Springer
We propose a method for measuring the quality of a grouping result, based on the following observation: a better grouping result provides more information about the true, unknown g...
CIVR
2007
Springer
14 years 3 months ago
2007
Springer
Bag-of-features (BoF) deriving from local keypoints has recently appeared promising for object and scene classification. Whether BoF can naturally survive the challenges such as ...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
DATAMINE
2006
13 years 9 months ago
2006
Motivated by the poor performance (linear complexity) of the EM algorithm in clustering large data sets, and inspired by the successful accelerated versions of related algorithms l...