166 search results - page 22 / 34 » Selectivity Estimation for Spatial Joins |
SAC
2010
ACM
14 years 2 months ago
2010
ACM
In GIS and spatial databases, cardinal directions are frequently used as selection and join criteria in query languages. However, most cardinal direction models are only able to h...
MICCAI
2004
Springer
14 years 8 months ago
2004
Springer
This paper describes an automatic tissue segmentation method for neonatal MRI. The analysis and study of neonatal brain MRI is of great interest due to its potential for studying e...
CVPR
2009
IEEE
15 years 3 months ago
2009
IEEE
Matching based on local brightness is quite limited, because
small changes on local appearance invalidate the
constancy in brightness. The root of this limitation is its
treatme...
EDBT
2006
ACM
14 years 8 months ago
2006
ACM
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
Recent work on background subtraction has shown developments on two major fronts. In one, there has been increasing sophistication of probabilistic models, from mixtures of Gaussi...