531 search results - page 32 / 107 » On Refractive Optical Flow |
ICIP
2009
IEEE
13 years 5 months ago
2009
IEEE
This paper deals with the problem of efficiently computing the optical flow of image sequences acquired by omnidirectional (nearly full field of view) cameras. We formulate the pr...
CVPR
1999
IEEE
14 years 9 months ago
1999
IEEE
A spatio-temporal representation for complex optical flow events is developed that generalizes traditional parameterized motion models (e.g. affine). These generative spatio-tempo...
ICPR
2000
IEEE
14 years 8 months ago
2000
IEEE
In this paper, we propose an original approach for content-based video indexing and retrieval. It relies on the tracking of entities of interest and the analysis of their apparent...
BMVC
1998
13 years 9 months ago
1998
When using a gradient-basedmethod to determine the optical flow field for an image sequence, it is generally appreciated that some spatial pre-filtering of the images is usually n...
MVA
1990
13 years 8 months ago
1990
This report discusses a method that uses optical flow to estimate facial muscle movements which could then be recognized these movements as facial expressions. The. human face has...