360 search results - page 25 / 72 » Indexing the Distance: An Efficient Method to KNN Processing |
BILDMED
2004
13 years 9 months ago
2004
In this paper we present a level-set framework for accurate and efficient extraction of the surface of a brain from MRI data. To prevent the so-called partial volume effect we use ...
ICIP
1999
IEEE
14 years 9 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...
SEDE
2008
13 years 9 months ago
2008
In this paper we present an energy efficient framework for processing spatial alarms on mobile clients, while maintaining low computation and storage costs. Our approach to spatia...
BDA
2004
13 years 9 months ago
2004
: XML DBMSs require new indexing techniques to efficiently process structural search and full-text search as integrated in XQuery. Much research has been done for indexing XML docu...
CSDA
2007
13 years 7 months ago
2007
In this paper, we propose a novel non-parametric clustering method based on non-parametric local shrinking. Each data point is transformed in such a way that it moves a specific ...