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CIDM
2009
IEEE
16 years 1 months ago
Density-based clustering of polygons
– Clustering is an important task in spatial data mining and spatial analysis. We propose a clustering algorithm P-DBSCAN to cluster polygons in space. PDBSCAN is based on the we...
Deepti Joshi, Ashok Samal, Leen-Kiat Soh
ICC
2009
IEEE
122views Communications» more  ICC 2009»
16 years 1 months ago
Characterization of the Dynamic Narrowband On-Body to Off-Body Area Channel
Abstract—A characterization of the dynamic narrowband onbody to off-body area channel is presented based on realtime measurements of the time domain channel response at carrier f...
David B. Smith, Leif Hanlen, Jian (Andrew) Zhang, ...
ICDM
2009
IEEE
155views Data Mining» more  ICDM 2009»
16 years 1 months ago
A Contrast Pattern Based Clustering Quality Index for Categorical Data
Since clustering is unsupervised and highly explorative, clustering validation (i.e. assessing the quality of clustering solutions) has been an important and long standing researc...
Qingbao Liu, Guozhu Dong
ICRA
2009
IEEE
170views Robotics» more  ICRA 2009»
16 years 1 months ago
Characterization of the compact Hokuyo URG-04LX 2D laser range scanner
— This paper presents a detailed characterization of the Hokuyo URG-04LX 2D laser range finder. While the sensor specifications only provide a rough estimation of the sensor ac...
Laurent Kneip, Fabien Tâche, Gilles Caprari,...
ADHOCNETS
2009
Springer
16 years 1 months ago
Cooperative Localization in GPS-Limited Urban Environments
Abstract. Existing localization techniques such as GPS have fundamental limitations which preclude deployment in urban canyons or areas with inconsistent network availability. Augm...
Jeffrey Hemmes, Douglas Thain, Christian Poellabau...