267 search results - page 22 / 54 » Unsupervised Learning of Event Classes from Video |
70
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CIKM
2008
Springer
14 years 11 months ago
2008
Springer
In this paper we address the problem of extracting important (and unimportant) discourse patterns from call center conversations. Call centers provide dialog based calling-in supp...
CVPR
2007
IEEE
15 years 11 months ago
2007
IEEE
We propose a novel unsupervised learning framework for activity perception. To understand activities in complicated scenes from visual data, we propose a hierarchical Bayesian mod...
IJCV
2007
14 years 9 months ago
2007
This paper describes work aimed at the unsupervised learning of shape-classes from shock trees. We commence by considering how to compute the edit distance between weighted trees. ...
KDD
2006
ACM
15 years 10 months ago
2006
ACM
Time-series of count data are generated in many different contexts, such as web access logging, freeway traffic monitoring, and security logs associated with buildings. Since this...
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CIVR
2008
Springer
14 years 11 months ago
2008
Springer
In this paper, a motion-based approach for detecting highlevel semantic events in video sequences is presented. Its main characteristic is its generic nature, i.e. it can be direc...