Sciweavers

205 search results - page 4 / 41
» Cost and Imprecision in Modeling the Position of Moving Obje...
Sort
View
SIGMOD
2000
ACM
164views Database» more  SIGMOD 2000»
13 years 12 months ago
A Data Model and Data Structures for Moving Objects Databases
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
Luca Forlizzi, Ralf Hartmut Güting, Enrico Na...
IROS
2006
IEEE
144views Robotics» more  IROS 2006»
14 years 1 months ago
Hierarchical Featureless Tracking for Position-Based 6-DoF Visual Servoing
— Classical position-based visual servoing approaches rely on the presence of distinctive features in the image such as corners and edges. In this contribution we exploit a hiera...
Wolfgang Sepp, Stefan Fuchs, Gerd Hirzinger
GIS
2003
ACM
14 years 8 months ago
Computational data modeling for network-constrained moving objects
Advances in wireless communications, positioning technology, and other hardware technologies combine to enable a range of applications that use a mobile user's geo-spatial da...
Laurynas Speicys, Christian S. Jensen, Augustas Kl...
GIS
2007
ACM
14 years 8 months ago
Approximate order-k Voronoi cells over positional streams
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
Kostas Patroumpas, Theofanis Minogiannis, Timos K....
SSD
2009
Springer
142views Database» more  SSD 2009»
14 years 2 months ago
Monitoring Orientation of Moving Objects around Focal Points
Abstract. We consider a setting with numerous location-aware moving objects that communicate with a central server. Assuming a set of focal points of interest, we aim at continuous...
Kostas Patroumpas, Timos K. Sellis