1422 search results - page 80 / 285 » Hierarchical Spatial Data Structures |
ICIAR
2005
Springer
14 years 2 months ago
2005
Springer
Image classification is often used to extract information from multi-spectral satellite images. Unsupervised methods can produce results well adjusted to the data, but that are us...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
We consider the problem of maintaining frequency counts for items occurring frequently in the union of multiple distributed data streams. Na?ive methods of combining approximate f...
GIS
2007
ACM
14 years 10 months ago
2007
ACM
This research reports on exploring analytical methodologies for spatio-temporal data of pedestrian egress dynamics in a crowded environment. The research objective is to spatially...
IROS
2009
IEEE
14 years 3 months ago
2009
IEEE
— Autonomous systems situated in the real world often need to recognize, track, and reason about various types of physical objects. In order to allow reasoning at a symbolic leve...
ICDM
2003
IEEE
14 years 2 months ago
2003
IEEE
In this paper, we propose a novel technique for the efficient prediction of multiple continuous target variables from high-dimensional and heterogeneous data sets using a hierarch...