98 search results - page 2 / 20 » Video Event Detection using ICA Mixture Hidden Markov Models |
ICPR
2006
IEEE
14 years 9 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 ...
ICMCS
2000
IEEE
14 years 28 days ago
2000
IEEE
Inferences from time-series data can be greatly enhanced by taking into account multiple modalities. In some cases, such as audio of speech and the corresponding video of lip gest...
IWCMC
2006
ACM
14 years 2 months ago
2006
ACM
In an era of cooperating ad hoc networks and pervasive wireless connectivity, we are becoming more vulnerable to malicious attacks. Many of these attacks are silent in nature and ...
MM
2003
ACM
14 years 1 months ago
2003
ACM
This paper discusses a new technique for detecting affective events using Hidden Markov Models(HMM). To map low level features of video data to high level emotional events, we per...
TIP
2010
13 years 3 months ago
2010
This paper proposes an approach for recognizing human activities (more specifically, pedestrian trajectories) in video sequences, in a surveillance context. A system for automatic ...