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CVPR
2012
IEEE
12 years 1 months ago
City scale geo-spatial trajectory estimation of a moving camera
This paper presents a novel method for estimating the geospatial trajectory of a moving camera with unknown intrinsic parameters, in a city-scale urban environment. The proposed m...
Gonzalo Vaca-Castano, Amir Roshan Zamir, Mubarak S...
GIS
2010
ACM
13 years 9 months ago
An algorithmic framework for segmenting trajectories based on spatio-temporal criteria
In this paper we address the problem of segmenting a trajectory such that each segment is in some sense homogeneous. We formally define different spatio-temporal criteria under ...
Maike Buchin, Anne Driemel, Marc J. van Kreveld, V...
DEXA
2008
Springer
121views Database» more  DEXA 2008»
14 years 19 days ago
OLAP for Trajectories
In this paper, we present an OLAP framework for trajectories of moving objects. We introduce a new operator GROUP TRAJECTORIES for group-by operations on trajectories and present ...
Oliver Baltzer, Frank K. H. A. Dehne, Susanne E. H...
ICIW
2009
IEEE
14 years 5 months ago
BOF4WSS: A Business-Oriented Framework for Enhancing Web Services Security for e-Business
When considering Web services’ (WS) use for online business-to-business (B2B) collaboration between companies, security is a complicated and very topical issue. This is especial...
Jason R. C. Nurse, Jane Sinclair
ER
2007
Springer
128views Database» more  ER 2007»
14 years 5 months ago
Dynamic Modeling of Trajectory Patterns using Data Mining and Reverse Engineering
The constant increase of moving object data imposes the need for modeling, processing, and mining trajectories, in order to find and understand the patterns behind these data. Ex...
Luis Otávio Alvares, Vania Bogorny, Jos&eac...