70 search results - page 1 / 14 » A hidden markov model framework for traffic event detection ... |
ICIP
2004
IEEE
14 years 7 months ago
2004
IEEE
We present a novel approach for highway traffic event detection. Our algorithm extracts features directly from the compressed video and automatically detects traffic events using ...
ICIP
2006
IEEE
14 years 7 months ago
2006
IEEE
In this paper, a framework that combines feature extraction, model learning, and likelihood computation, is presented for video event detection. First, the independent component a...
TCSV
2008
13 years 6 months ago
2008
In this paper, a new theoretical framework based on hidden Markov model (HMM) and independent component analysis (ICA) mixture model is presented for content analysis of video, nam...
ICPR
2006
IEEE
14 years 7 months ago
2006
IEEE
This paper describes a framework for detecting unusual events in surveillance videos. Most surveillance systems consist of multiple video streams, but traditional event detection ...
ICPR
2006
IEEE
14 years 7 months ago
2006
IEEE
This paper presents an event detector for emergencies in crowds. Assuming a single camera and a dense crowd we rely on optical flow instead of tracking statistics as a feature to ...