13985 search results - page 300 / 2797 » Active Feature Models |
155
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CVPR
2009
IEEE
16 years 11 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...
128
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CAISE
2006
Springer
15 years 8 months ago
2006
Springer
Information Systems (IS) have a major impact on human activities. They are not only "objects or products" because they directly concern our access to knowledge, our possi...
152
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MOBICOM
2004
ACM
15 years 10 months ago
2004
ACM
Interactive communications among nodes in Vehicular Ad Hoc Networks (VANET) and the safety-oriented nature of many VANET applications necessitate a robust security framework. An a...
149
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CVPR
2005
IEEE
16 years 6 months ago
2005
IEEE
Recently, nonlinear shape models have been shown to improve the robustness and flexibility of segmentation. In this paper, we propose Shape Regularized Active Contour (ShRAC) that...
119
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KDD
2006
ACM
16 years 4 months ago
2006
ACM
We introduce a new EM framework in which it is possible not only to optimize the model parameters but also the number of model components. A key feature of our approach is that we...