166 search results - page 20 / 34 » Selectivity Estimation for Spatial Joins |
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
A sound eld reproduction method which uses blind source separation and head-related transfer function is proposed. In the proposed system, multichannel acoustic signals captured a...
SSDBM
2003
IEEE
14 years 1 months ago
2003
IEEE
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existin...
VLDB
1994
ACM
13 years 12 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
ICIP
2009
IEEE
13 years 5 months ago
2009
IEEE
Many computer vision algorithms such as object tracking and event detection assume that a background model of the scene under analysis is known. However, in many practical circums...
ECCV
2006
Springer
14 years 9 months ago
2006
Springer
A novel adaptive and patch-based approach is proposed for image regularization and representation. The method is unsupervised and based on a pointwise selection of small image patc...