221 search results - page 15 / 45 » Detecting Unusual Activity in Video |
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
We introduce a behavior-based similarity measure which tells us whether two different space-time intensity patterns of two different video segments could have resulted from a simi...
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
A new, combined human activity detection method is proposed. Our method is based on Efros et al.'s motion descriptors[2] and Ke et al.'s event detectors[3]. Since both m...
PSIVT
2007
Springer
14 years 1 months ago
2007
Springer
In this article a robust and real-time hand gesture detection and recognition system for dynamic environments is proposed. The system is based on the use of boosted classifiers for...
ICCV
2009
IEEE
15 years 15 days ago
2009
IEEE
Human activity recognition is a challenging task, especially
when its background is unknown or changing,
and when scale or illumination differs in each video.
Approaches utilizi...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
A computer vision based algorithm for wildfire detection is developed. The main detection algorithm is composed of four sub-algorithms detecting (i) slow moving objects, (ii) gra...