823 search results - page 159 / 165 » Cross-Language Multimedia Information Retrieval |
MM
2005
ACM
15 years 3 months ago
2005
ACM
In this paper we introduce a probabilistic framework to exploit hierarchy, structure sharing and duration information for topic transition detection in videos. Our probabilistic d...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
Online detection of video clips that present previously unseen events in a video stream is still an open challenge to date. For this online new event detection (ONED) task, existi...
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MM
2006
ACM
15 years 3 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
WWW
2005
ACM
15 years 10 months ago
2005
ACM
Message hierarchies in web discussion boards grow with new postings. Threads of messages evolve as new postings focus within or diverge from the original themes of the threads. Th...
INFOVIS
2003
IEEE
15 years 2 months ago
2003
IEEE
The Informedia Digital Video Library user interface summarizes query results with a collage of representative keyframes. We present a user study in which keyframe occlusion caused...