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GEOS
2005
Springer
15 years 11 months ago
A Qualitative Trajectory Calculus and the Composition of Its Relations
Continuously moving objects are prevalent in many domains. Although there have been attempts to combine both spatial and temporal relationships from a reasoning, a database, as wel...
Nico Van de Weghe, Bart Kuijpers, Peter Bogaert, P...
VLDB
2004
ACM
203views Database» more  VLDB 2004»
15 years 11 months ago
PLACE: A Query Processor for Handling Real-time Spatio-temporal Data Streams
The emergence of location-aware services calls for new real-time spatio-temporal query processing algorithms that deal with large numbers of mobile objects and queries. In this de...
Mohamed F. Mokbel, Xiaopeng Xiong, Walid G. Aref, ...
ISMVL
2000
IEEE
64views Hardware» more  ISMVL 2000»
15 years 10 months ago
Properties of Independent Components of Self-Motion Optical Flow
In this paper we describe the properties of independent components of optical ow of moving objects. Video sequences of objects seen by an observer moving at various angles, direct...
Marwan A. Jabri, Ki-Young Park, Soo-Young Lee, Ter...
CVPR
1997
IEEE
15 years 9 months ago
Ego-Motion Estimation Using Optical Flow Fields Observed from Multiple Cameras
In this paper, we consider a multi-camera vision system mounted on a moving object in a static threedimensional environment. By using the motion ow elds seen by all of the cameras...
An-Ting Tsao, Chiou-Shann Fuh, Yi-Ping Hung, Yong-...
127
Voted
ESA
2006
Springer
130views Algorithms» more  ESA 2006»
15 years 9 months ago
Reporting Flock Patterns
Data representing moving objects is rapidly getting more available, especially in the area of wildlife GPS tracking. It is a central belief that information is hidden in large data...
Marc Benkert, Joachim Gudmundsson, Florian Hü...