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» Redundancy in Spatial Databases
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ICCV
2009
IEEE
15 years 17 days ago
Saliency Driven Total Variation Segmentation
This paper introduces an unsupervised color segmentation method. The underlying idea is to segment the input image several times, each time focussing on a different salient part...
Michael Donoser, Martin Urschler, Martin Hirzer an...
CLEAR
2007
Springer
145views Biometrics» more  CLEAR 2007»
14 years 1 months ago
Multi-person Tracking Strategies Based on Voxel Analysis
Abstract. This paper presents two approaches to the problem of simultaneous tracking of several people in low resolution sequences from multiple calibrated cameras. Spatial redunda...
Cristian Canton-Ferrer, Jordi Salvador, Josep R. C...
GIS
1999
ACM
13 years 12 months ago
Spatial Data Integrity Constraints in Object Oriented Geographic Data Modeling
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...
Karla A. V. Borges, Alberto H. F. Laender, Clodove...
GIS
2007
ACM
13 years 11 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
ICDE
2007
IEEE
337views Database» more  ICDE 2007»
14 years 9 months ago
The New Casper: A Privacy-Aware Location-Based Database Server
This demo presents Casper; a framework in which users entertain anonymous location-based services. Casper consists of two main components; the location anonymizer that blurs the u...
Mohamed F. Mokbel, Chi-Yin Chow, Walid G. Aref