Sciweavers

VVS
1998
IEEE
133views Visualization» more  VVS 1998»
13 years 9 months ago
An Accurate Method for Voxelizing Polygon Meshes
The process of generating discrete surfaces in a volumetric representation, termed voxelization, is confronted with topological considerations as well as accuracy and efficiency r...
Jian Huang, Roni Yagel, Vassily Filippov, Yair Kur...
KI
1999
Springer
13 years 9 months ago
On the Translation of Qualitative Spatial Reasoning Problems into Modal Logics
Among the formalisms for qualitative spatial reasoning, the Region Connection Calculus and its variant, the constraint algebra RCC8, have received particular attention recently. A...
Werner Nutt
ICRA
2002
IEEE
142views Robotics» more  ICRA 2002»
13 years 10 months ago
Hybrid Simultaneous Localization and Map Building: Closing the Loop with Multi-Hypotheses Tracking
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 ...
Nicola Tomatis, Illah R. Nourbakhsh, Roland Siegwa...
ER
2004
Springer
96views Database» more  ER 2004»
13 years 10 months ago
Topological Consistency for Collapse Operation in Multi-scale Databases
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 ...
Hae-Kyong Kang, Tae-wan Kim, Ki-Joune Li
ER
2005
Springer
178views Database» more  ER 2005»
13 years 10 months ago
Assessing Topological Consistency for Collapse Operation in Generalization of Spatial Databases
Generalization of spatial databases consists of complicated operations including not only geometric transformations but also topological changes. The changes often result in an inc...
Hae-Kyong Kang, Ki-Joune Li
COSIT
2005
Springer
111views GIS» more  COSIT 2005»
13 years 10 months ago
Matching Names and Definitions of Topological Operators
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...
Catharina Riedemann
ICRA
2005
IEEE
106views Robotics» more  ICRA 2005»
13 years 10 months ago
Towards Topological Exploration of Abandoned Mines
— 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...
Aaron Morris, David Silver, David I. Ferguson, Sco...
SMA
2006
ACM
136views Solid Modeling» more  SMA 2006»
13 years 11 months ago
Controlled-topology filtering
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 ...
Yotam I. Gingold, Denis Zorin
IROS
2006
IEEE
162views Robotics» more  IROS 2006»
13 years 11 months ago
Efficiency Improvement in Monte Carlo Localization through Topological Information
- 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...
Tae-Bum Kwon, Ju-Ho Yang, Jae-Bok Song, Woojin Chu...
IROS
2006
IEEE
96views Robotics» more  IROS 2006»
13 years 11 months ago
Topological Mapping Inspired by Techniques in DNA Sequence Alignment
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...
Alan M. Zhang, Lindsay Kleeman, R. Andrew Russell