267 search results - page 26 / 54 » Unsupervised Learning of Event Classes from Video |
CVPR
2001
IEEE
15 years 11 months ago
2001
IEEE
See a PPT file with videos at www.research.microsoft.com/users/jojic/FlexiblesSprites.htm We propose a technique for automatically learning layers of "flexible sprites" ...
100
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TIP
2008
14 years 9 months ago
2008
In this paper, we present an automatic classification framework combining appearance based features and Hidden Markov Models (HMM) to detect unusual events in image sequences. One...
ICMCS
2005
IEEE
15 years 3 months ago
2005
IEEE
We propose a new graph-based data structure, called Spatio Temporal Region Graph (STRG) which can represent the content of video sequence. Unlike existing ones which consider main...
102
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CVPR
2011
IEEE
14 years 6 months ago
2011
IEEE
This paper addresses the problem of learning object models from egocentric video of household activities, using extremely weak supervision. For each activity sequence, we know onl...
ICIP
2010
IEEE
14 years 7 months ago
2010
IEEE
A key element for video indexing and summarisation is the description of isolated events and actions. In the context of many sports the motion of the ball plays an essential role ...