VVS
1998
IEEE
14 years 3 months ago
1998
IEEE
The process of generating discrete surfaces in a volumetric representation, termed voxelization, is confronted with topological considerations as well as accuracy and efficiency r...
KI
1999
Springer
14 years 3 months ago
1999
Springer
Among the formalisms for qualitative spatial reasoning, the Region Connection Calculus and its variant, the constraint algebra RCC8, have received particular attention recently. A...
ICRA
2002
IEEE
14 years 4 months ago
2002
IEEE
In this paper simultaneous localization and map building is performed with a hybrid, metric - topological, approach. A global topological map connects local metric maps, allowing ...
ER
2004
Springer
14 years 4 months ago
2004
Springer
When we derive multi-scale databases from a source spatial database, the geometries and topological relations, which are a kind of constraints defined explicitly or implicitly in ...
ER
2005
Springer
14 years 5 months ago
2005
Springer
Generalization of spatial databases consists of complicated operations including not only geometric transformations but also topological changes. The changes often result in an inc...
COSIT
2005
Springer
14 years 5 months ago
2005
Springer
In previous empirical work humans did not recognize the definition of most topological operators for regions by their names in two geospatial information systems (GIS). This work d...
ICRA
2005
IEEE
14 years 5 months ago
2005
IEEE
— The need for reliable maps of subterranean spaces too hazardous for humans to occupy has motivated the use of robotic technology as mapping tools. As such, we present a systemi...
SMA
2006
ACM
14 years 5 months ago
2006
ACM
Many applications require the extraction of isolines and isosurfaces from scalar functions defined on regular grids. These scalar functions may have many different origins: from ...
IROS
2006
IEEE
14 years 5 months ago
2006
IEEE
- Monte Carlo localization is known to be one of the most reliable methods for pose estimation of a mobile robot. Many studies have been conducted to improve performance of MCL. Al...
IROS
2006
IEEE
14 years 5 months ago
2006
IEEE
Abstract— This paper introduces a method of building topological maps using sequences of images and the approximate string matching algorithm, which is commonly used in DNA seque...