267 search results - page 50 / 54 » Unsupervised Learning of Event Classes from Video |
117
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TSMC
2010
14 years 4 months ago
2010
We study the problem of projecting high-dimensional tensor data on an unspecified Riemannian manifold onto some lower dimensional subspace1 without much distorting the pairwise geo...
79
Voted
ACSC
2007
IEEE
15 years 4 months ago
2007
IEEE
Statistical learning methods are commonly applied in content-based video and image retrieval. Such methods require a large number of examples which are usually obtained through a ...
70
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ICIP
2002
IEEE
15 years 2 months ago
2002
IEEE
Context-based adaptive entropy coding is an essential feature of modern image compression algorithms; however, the design of these coders is non-trivial due to the balance that mu...
CHI
2008
ACM
15 years 10 months ago
2008
ACM
We present data from detailed observations of CityWall, a large multi-touch display installed in a central location in Helsinki, Finland. During eight days of installation, 1199 p...
115
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CVPR
2003
IEEE
15 years 11 months ago
2003
IEEE
Monitoring activities using video data is an important surveillance problem. A special scenario is to learn the pattern of normal activities and detect abnormal events from a very...