122 search results - page 17 / 25 » Local grouping for optical flow |
ICMLA
2008
13 years 9 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...
CVPR
2010
IEEE
14 years 3 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...
CVPR
2006
IEEE
14 years 9 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...
ICCV
1999
IEEE
14 years 9 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 ...
CEE
2010
13 years 7 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...