417 search results - page 57 / 84 » To learn representativeness of video frames |
104
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CVPR
2009
IEEE
16 years 7 months ago
2009
IEEE
We propose a space-time Markov Random Field (MRF)
model to detect abnormal activities in video. The nodes in
the MRF graph correspond to a grid of local regions in the
video fra...
CAIP
2007
Springer
15 years 6 months ago
2007
Springer
Abstract. Intestinal contractions are one of the main features for analyzing intestinal motility and detecting different gastrointestinal pathologies. In this paper we propose Eig...
175
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NIPS
2008
15 years 1 months ago
2008
Many popular optimization algorithms, like the Levenberg-Marquardt algorithm (LMA), use heuristic-based "controllers" that modulate the behavior of the optimizer during ...
111
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ECCV
2002
Springer
16 years 1 months ago
2002
Springer
The detection of people is one of the foremost problems for indexing, browsing and retrieval of video. The main difficulty is the large appearance variations caused by action, clot...
104
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CVPR
2010
IEEE
15 years 8 months ago
2010
IEEE
The dynamic texture (DT) is a probabilistic generative model, defined over space and time, that represents a video as the output of a linear dynamical system (LDS). The DT model ...