122 search results - page 17 / 25 » Local grouping for optical flow |
ICMLA
2008
15 years 3 months ago
2008
The basic idea of Lucas and Kanade is to constrain the local motion measurement by assuming a constant velocity within a spatial neighborhood. We reformulate this spatial constrai...
139
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CVPR
2010
IEEE
15 years 10 months ago
2010
IEEE
A novel method for crowd flow modeling and anomaly detection is proposed for both coherent and incoherent scenes. The novelty is revealed in three aspects. First, it is a unique ut...
99
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CVPR
2006
IEEE
16 years 3 months ago
2006
IEEE
Illumination inconsistencies cause serious problems for classical computer vision applications such as tracking and stereo matching. We present a new approach to model illuminatio...
182
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ICCV
1999
IEEE
16 years 3 months ago
1999
IEEE
Gradient based approaches for motion estimation (Optical-Flow) estimate the motion of an image sequence based on local changes in the image intensities. In order to best evaluate ...
106
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CEE
2010
15 years 1 months ago
2010
A motion field generation algorithm using block matching of edge-flag histograms has been developed aiming at its application to motion recognition systems. Use of edge flags inste...