463 search results - page 4 / 93 » A formal model for the discrete representation of spatial ob... |
SIGMOD
2000
ACM
13 years 11 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
TSMC
1998
13 years 7 months ago
1998
—The paper discusses how Petri nets may be used for the qualitative modeling of physical systems. The qualitative state of a system is represented by the marking of the net. The ...
CIVR
2005
Springer
14 years 28 days ago
2005
Springer
Abstract. Geospatial information analysts are interested in spatial configurations of objects in satellite imagery and, more importantly, the ability to search a large-scale datab...
ECOOP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Understanding the collaborations that arise between the instances of classes in object-oriented programs is important for the analysis, optimization, or modification of ...
CVPR
2012
IEEE
11 years 9 months ago
2012
IEEE
Modeling representations of image patches that are quasi-invariant to spatial deformations is an important problem in computer vision. In this paper, we propose a novel concept, t...