Sciweavers

864 search results - page 4 / 173
» Extracting moving regions from spatial data
Sort
View
MDM
2004
Springer
110views Communications» more  MDM 2004»
13 years 11 months ago
Universal Trajectory Queries for Moving Object Databases
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...
Hoda Mokhtar, Jianwen Su
MICCAI
2006
Springer
14 years 6 months ago
Toward Interactive User Guiding Vessel Axis Extraction from Gray-scale Angiograms: An Optimization Framework
We propose a novel trace-based method to extract vessel axes from gray-scale angiograms without preliminary segmentations. Our method traces the axes on an optimization framework w...
Wilbur C. K. Wong, Albert C. S. Chung
CVPR
2007
IEEE
14 years 7 months ago
Online Detection of Fire in Video
This paper describes an online learning based method to detect flames in video by processing the data generated by an ordinary camera monitoring a scene. Our fire detection method...
A. Enis Çetin, B. Ugur Töreyin
KDD
2008
ACM
153views Data Mining» more  KDD 2008»
14 years 6 months ago
Information extraction from Wikipedia: moving down the long tail
Not only is Wikipedia a comprehensive source of quality information, it has several kinds of internal structure (e.g., relational summaries known as infoboxes), which enable self-...
Fei Wu, Raphael Hoffmann, Daniel S. Weld
ICIP
2007
IEEE
14 years 2 days ago
A Generic Process Chain to Extract Key-Objects from Video Shots
This paper discusses object-based representation of video shots acquired by a moving camera. Our approach uses an extraction of foreground regions capable of representing semantic...
Jérémy Huart, Pascal Bertolino