Sciweavers

42230 search results - page 8161 / 8446
» Algorithms and Complexity Results for
Sort
View
281
Voted
GIS
2004
ACM
16 years 7 months ago
Energy efficient exact kNN search in wireless broadcast environments
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
Bugra Gedik, Aameek Singh, Ling Liu
GIS
2004
ACM
16 years 7 months ago
Road extraction from motion cues in aerial video
Aerial video provides strong cues for automatic road extraction that are not available in static aerial images. Using stabilized (or geo-referenced) video data, capturing the dist...
Robert Pless, David Jurgens
GIS
2004
ACM
16 years 7 months ago
A new approach for a topographic feature-based characterization of digital elevation data
Triangular Irregular Network (TIN) and Regular Square Grid (RSG) are widely used for representing 2.5 dimensional spatial data. However, these models are not defined from the topo...
Eric Saux, Ki-Joune Li, Min-Hwan Kim, Rémy ...
GIS
2004
ACM
16 years 7 months ago
Spatio-temporal aggregates over raster image data
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
Jie Zhang, Michael Gertz, Demet Aksoy
GIS
2005
ACM
16 years 7 months ago
Automatic extraction of road intersections from raster maps
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
Yao-Yi Chiang, Craig A. Knoblock, Ching-Chien Chen
« Prev « First page 8161 / 8446 Last » Next »