113 search results - page 15 / 23 » Dense Structure from a Dense Optical Flow Sequence |
144
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ACCV
2009
Springer
16 years 1 months ago
2009
Springer
Abstract. Analyzing the crowd dynamics from video sequences is an open challenge in computer vision. Under a high crowd density assumption, we characterize the dynamics of the crow...
197
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ICIP
2010
IEEE
15 years 4 months ago
2010
IEEE
Motion estimation is known to be a non-convex optimization problem. This non-convexity comes from several ambiguities in motion estimation such as the aperture problem, or fast mo...
188
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ICCV
2003
IEEE
16 years 8 months ago
2003
IEEE
A novel procedure is presented to construct image-domain filters (receptive fields) that directly recover local motion and shape parameters. These receptive fields are derived fro...
188
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CONEXT
2010
ACM
15 years 4 months ago
2010
ACM
Recent measurements and anecdotal evidence indicate that the Internet ecosystem is rapidly evolving from a multi-tier hierarchy built mostly with transit (customer-provider) links...
176
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ECCV
2008
Springer
16 years 8 months ago
2008
Springer
Assumptions of brightness constancy and spatial smoothness underlie most optical flow estimation methods. In contrast to standard heuristic formulations, we learn a statistical mod...