2041 search results - page 69 / 409 » Data mining for activity extraction in video data |
139
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ICCV
2011
IEEE
13 years 10 months ago
2011
IEEE
Complex human activities occurring in videos can be defined in terms of temporal configurations of primitive actions. Prior work typically hand-picks the primitives, their total...
GECCO
2003
Springer
15 years 3 months ago
2003
Springer
This paper presents an approach for classifying students in order to predict their final grade based on features extracted from logged data in an education web-based system. A comb...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
Video fire detection system which uses a spatio-temporal covariance matrix of video data is proposed. This system divides the video into spatio-temporal blocks and computes covar...
113
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ISCAS
2003
IEEE
15 years 3 months ago
2003
IEEE
In this paper, we propose a moving object extraction technique for MPEG coded data directly. It is a changebased motion object extraction approach, which discriminates background ...
WWW
2009
ACM
15 years 10 months ago
2009
ACM
We consider the problem of identifying the consensus ranking for the results of a query, given preferences among those results from a set of individual users. Once consensus ranki...