766 search results - page 114 / 154 » Commuting aggregation operators |
CVPR
2007
IEEE
14 years 10 months ago
2007
IEEE
In this paper, we investigate linear discriminant analysis (LDA) methods for multiclass classification problems in hyperspectral imaging. We note that LDA does not consider pairwi...
ECCV
2002
Springer
14 years 10 months ago
2002
Springer
Image segmentation is the first stage of processing in many practical computer vision systems. While development of particular segmentation algorithms has attracted considerable re...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
Range sum queries on data cubes are a powerful tool for analysis. A range sum query applies an aggregation operation (e.g., SUM) over all selected cells in a data cube, where the ...
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...