354 search results - page 38 / 71 » Efficient Processing of Spatial Joins Using R-Trees |
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
ICIP
2008
IEEE
14 years 2 months ago
2008
IEEE
We propose a new family of nonredundant 3-D directional transforms that are useful for video signals. In our construction, taking into account the correlation amongst frames of vi...
ICMCS
2007
IEEE
14 years 2 months ago
2007
IEEE
This paper describes a novel method to simulate an multichannel audio experience using stereo headphones. In contrast to conventional, convolution-based methods, the current appro...
MMDB
2003
ACM
14 years 1 months ago
2003
ACM
The increased use of video data sets for multimedia-based applications has created a demand for strong video database support, including efficient methods for handling the content...
ICIP
1999
IEEE
14 years 10 months ago
1999
IEEE
The quadtree data structure is widely used in digital image processing and computer graphics for modeling spatial segmentation of images and surfaces. A quadtree is a tree in whic...