Sciweavers

152 search results - page 24 / 31
» gis 2007
Sort
View
ICIP
2007
IEEE
15 years 6 months ago
Robust Road Extraction for High Resolution Satellite Images
Automatic road extraction is a critical feature for an efficient use of remote sensing imagery in most contexts. This paper proposes a robust geometric method to provide a first...
Emmanuel Christophe, Jordi Inglada
IPL
2007
80views more  IPL 2007»
15 years 5 months ago
Execution time analysis of a top-down R-tree construction algorithm
A detailed CPU execution-time analysis and implementation are given for a bulk loading algorithm to construct R-trees due to García et al. [Y.J. García, M.A. López, S.T. Leuten...
Houman Alborzi, Hanan Samet
GIS
2007
ACM
16 years 7 months ago
Location anonymity in continuous location-based services
A major concern for large-scale deployment of location-based services (LBSs) is the potential abuse of their client location data, which may imply sensitive personal information. ...
Toby Xu, Ying Cai
GIS
2007
ACM
15 years 10 months ago
Pipelined spatial join processing for quadtree-based indexes
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
Walid G. Aref
GIS
2007
ACM
15 years 10 months ago
Randomization in traffic information sharing systems
In this paper, we consider a traffic information sharing system based on Floating Car Data (FCD). FCD is one of the methods used to gather traffic information; it uses vehicles as...
Masaaki Tanizaki, Ouri Wolfson