Sciweavers

202 search results - page 36 / 41
» Automatic Video Object Tracking Using a Mosaic-Based Backgro...
Sort
View
FGR
2008
IEEE
301views Biometrics» more  FGR 2008»
14 years 2 months ago
3D facial geometry recovery via group-wise optical flow
We describe an algorithm for automatically finding correspondences from face video sequences. This method is useful to many applications such as face tracking, face modeling and ...
Hui Fang, Nicholas Costen, David Cristinacce, John...
AVSS
2009
IEEE
14 years 2 months ago
Towards Generic Detection of Unusual Events in Video Surveillance
—In this paper, we consider the challenging problem of unusual event detection in video surveillance systems. The proposed approach makes a step toward generic and automatic dete...
Ivan Ivanov, Frédéric Dufaux, Thien ...
CVPR
1999
IEEE
14 years 9 months ago
Independent Motion: The Importance of History
We consider a problem central in aerial visual surveillance applications { detection and tracking of small, independently moving objects in long and noisy video sequences. We dire...
Robert Pless, Tomás Brodský, Yiannis...
ICPR
2004
IEEE
14 years 8 months ago
Velocity Adaptation of Space-Time Interest Points
The notion of local features in space-time has recently been proposed to capture and describe local events in video. When computing space-time descriptors, however, the result may...
Ivan Laptev, Tony Lindeberg
CVPR
2000
IEEE
14 years 3 days ago
Segmentation with Invisible Keying Signal
Croma keying is the process of segmenting objects from images and video using color cues. A blue (or green) screen placed behind an object during recording is used in special effe...
Moshe Ben-Ezra