502 search results - page 4 / 101 » A Framework for Activity Recognition and Detection of Unusua... |
CVPR
1998
IEEE
14 years 9 months ago
1998
IEEE
We describe a vision system that monitors activity in a site over extended periods of time. The system uses a distributed set of sensors to cover the site, and an adaptive tracker...
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
Extremely crowded scenes present unique challenges to
video analysis that cannot be addressed with conventional
approaches. We present a novel statistical framework for
modeling...
ISCAS
2008
IEEE
14 years 1 months ago
2008
IEEE
—This paper presents a novel approach for automatic recognition of human activities from video sequences. We first group features with high correlations into Category Feature Vec...
NIPS
1997
13 years 8 months ago
1997
With the rapid expansion of computer networks during the past few years, security has become a crucial issue for modern computer systems. A good way to detect illegitimate use is ...
EUROSSC
2007
Springer
14 years 1 months ago
2007
Springer
We describe and evaluate a distributed architecture for the online recognition of user activity sequences. In a lower layer, simple heterogeneous atomic activities were recognised ...