69 search results - page 1 / 14 » An interactive framework for raster data spatial joins |
GIS
2007
ACM
14 years 5 months ago
2007
ACM
Many Geographic Information System (GIS) applications must handle large geospatial datasets stored in raster representation. Spatial joins over raster data are important queries i...
DASFAA
2004
IEEE
13 years 8 months ago
2004
IEEE
Processing spatial joins efficiently is crucial to rendering the spatial data analysis process feasible. As pointed out in many works, the exact intersection test of two spatial ob...
GIS
2006
ACM
14 years 5 months ago
2006
ACM
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...
ICPADS
2000
IEEE
13 years 9 months ago
2000
IEEE
The most costly spatial operation in spatial databases is a spatial join with combines objects from two data sets based on spatial predicates. Even if the execution time of sequen...
PAMI
2008
2008
A Marked Point Process of Rectangles and Segments for Automatic Analysis of Digital Elevation Models
13 years 4 months ago
This work presents a framework for automatic feature extraction from images using stochastic geometry. Features in images are modeled as realizations of a spatial point process of ...