354 search results - page 52 / 71 » Efficient Processing of Spatial Joins Using R-Trees |
ICIP
2002
IEEE
14 years 9 months ago
2002
IEEE
We consider the problem of characterization of spatial region data such as the regions of interest (ROIs) in medical images. We propose a method that efficiently extracts a k-dime...
ICVGIP
2008
13 years 8 months ago
2008
In recent years, the subject of occlusion culling of large 3D environments has received substantial contribution. However the major amount of research into the area has focussed o...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
Active contour (snake) approaches have been proved to be efficient tools to extract object boundary precisely. One drawback of these methods is that state-of-the-art snake algorit...
DEXAW
2005
IEEE
14 years 1 months ago
2005
IEEE
We describe a methodology for creating composite web services, a key ingredient in spatial data infrastructure (SDI) applications, which we demonstrate on an emergency management ...
TWC
2010
13 years 2 months ago
2010
Abstract--In this paper, we deal with the performance of nonorthogonal Amplify-and-Forward protocols over block-fading channels (BFNAF), where the source retransmits the same data ...