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SAC
2003
ACM
14 years 2 months ago
WebSOGO: A Global Ontology for Describing Web Sources
Based on the limitations raised by existing approaches in the context of the Semantic Web, we propose a formalism, Web Sources Global Ontology (WebSOGO), a data meta-model for the...
Edna Ruckhaus, Maria-Esther Vidal
ICASSP
2011
IEEE
13 years 1 months ago
Feature-based global motion estimation using the Helmholtz principle
Global motion estimation is an important task for various video processing techniques. The estimation itself has to be robust in presence of arbitrarily moving foreground objects....
Michael Tok, Alexander Glantz, Andreas Krutz, Thom...
HAPTICS
2005
IEEE
14 years 2 months ago
A Closest Point Algorithm for Parametric Surfaces with Global Uniform Asymptotic Stability
— We present an algorithm that determines the point on a convex parametric surface patch that is closest to a given (possibly moving) point. Any initial point belonging to the su...
Volkan Patoglu, R. Brent Gillespie
CEC
2007
IEEE
14 years 1 months ago
Mobile robot global localization using differential evolution and particle swarm optimization
For a mobile robot to move in a known environment and operate successfully, first it needs to robustly determine its initial position and orientation relative to the map, and then ...
Ali R. Vahdat, Naser NourAshrafoddin, Saeed Shiry ...
GISCIENCE
2010
Springer
215views GIS» more  GISCIENCE 2010»
13 years 9 months ago
Microtheories for Spatial Data Infrastructures - Accounting for Diversity of Local Conceptualizations at a Global Level
The categorization of our environment into feature types is an essential prerequisite for cartography, geographic information retrieval, routing applications, spatial decision supp...
Stephanie Duce, Krzysztof Janowicz