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GIS
2007
ACM
16 years 7 months ago
Spatial and temporal analysis of pedestrian egress behavior and efficiency
This research reports on exploring analytical methodologies for spatio-temporal data of pedestrian egress dynamics in a crowded environment. The research objective is to spatially...
Atsushi Nara, Paul M. Torrens
ISBI
2008
IEEE
16 years 6 months ago
Application of a spatially variant system model for 3-D whole-body pet image reconstruction
Accurate system modeling in tomographic image reconstruction has been shown to reduce the spatial variance of resolution and improve quantitative accuracy. System modeling can be ...
Adam M. Alessio, Paul E. Kinahan
ICDE
2010
IEEE
262views Database» more  ICDE 2010»
16 years 6 months ago
Approximate String Search in Spatial Databases
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
Bin Yao, Feifei Li, Marios Hadjieleftheriou, Kun H...
ICDAR
2009
IEEE
16 years 28 days ago
2D CAD Data Mining Based on Spatial Relation
In this research, we propose CAD data mining technique to obtain semantic elements without prior knowledge about plans being designed. Our method consists of two steps. The first ...
Hiroaki Kizu, Junko Yamamoto, Takeshi Takeda, Keij...
GEOS
2007
Springer
16 years 10 days ago
Supporting Complex Thematic, Spatial and Temporal Queries over Semantic Web Data
Spatial and temporal data are critical components in many applications. This is especially true in analytical domains such as national security and criminal investigation. Often, t...
Matthew Perry, Amit P. Sheth, Farshad Hakimpour, P...