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» VC-Dimension of Visibility on Terrains
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ATAL
2009
Springer
14 years 1 months ago
On fast exploration in 2D and 3D terrains with multiple robots
We present a fast multi-robotic exploration methodology for 2D and 3D terrains. An asynchronous exploration strategy is introduced which shows significant improvements over the ex...
Rahul Sawhney, K. Madhava Krishna, Kannan Srinatha...
ICCS
2003
Springer
14 years 1 months ago
Approximation Algorithms to Minimum Vertex Cover Problems on Polygons and Terrains
We propose an anytime algorithm to compute successively better approximations of the optimum of Minimum Vertex Guard. Though the presentation is focused on polygons, the work may b...
Ana Paula Tomás, António Leslie Baju...
GIS
2007
ACM
14 years 9 months ago
Smugglers and border guards: the GeoStar project at RPI
We present the GeoStar project at RPI, which researches various terrain (i.e., elevation) representations and operations thereon. This work is motivated by the large amounts of hi...
W. Randolph Franklin, Metin Inanc, Zhongyi Xie, Da...
IVC
2000
179views more  IVC 2000»
13 years 8 months ago
A system to place observers on a polyhedral terrain in polynomial time
The Art Gallery Problem deals with determining the number of observers necessary to cover an art gallery room such that every point is seen by at least one observer. This problem ...
Maurício Marengoni, Bruce A. Draper, Allen ...
AGILE
2009
Springer
253views GIS» more  AGILE 2009»
14 years 3 months ago
Identification of Practically Visible Spatial Objects in Natural Environments
Image retrieval of landscape photographs requires accurate annotation using multi-faceted descriptions relating to the subject and content of the photograph. The subject of such ph...
Martin Tomko, Friedjoff Trautwein, Ross S. Purves