429 search results - page 16 / 86 » Unsupervised feature selection for principal components anal... |
177
Voted
SAC
2008
ACM
15 years 3 months ago
2008
ACM
We systematically evaluate a recently proposed method for unsupervised discrimination power analysis for feature selection and optimization in multimedia applications. A series of...
133
Voted
SDM
2009
SIAM
16 years 27 days ago
2009
SIAM
We introduce FuncICA, a new independent component analysis method for pattern discovery in inherently functional data, such as time series data. FuncICA can be considered an analo...
127
Voted
DOCENG
2003
ACM
15 years 9 months ago
2003
ACM
In this paper, we describe a comparative study on techniques of feature transformation and classification to improve the accuracy of automatic text classification. The normalizati...
130
Voted
SMA
2009
ACM
15 years 8 months ago
2009
ACM
Principal curvatures and principal directions are fundamental local geometric properties. They are well deļ¬ned on smooth surfaces. However, due to the nature as higher order diļ...
135
Voted
CVPR
2006
IEEE
16 years 5 months ago
2006
IEEE
A fast algorithm, Accelerated Kernel Feature Analysis (AKFA), that discovers salient features evidenced in a sample of n unclassified patterns, is presented. Like earlier kernel-b...