6 search results - page 1 / 2 » Spatial Filtering Requirements for Gradient-Based Optical Fl... |
BMVC
1998
13 years 6 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...
BC
2006
13 years 5 months ago
2006
Abstract In natural images, the distance measure between two images taken at different locations rises smoothly with increasing distance between the locations. This fact can be exp...
ICMLA
2008
13 years 6 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
2008
IEEE
13 years 7 months ago
2008
IEEE
We present a model-based system for tracking rotating fluids, and apply it to a laboratory study of atmospheric circulation. Tracking is accomplished by filtering uncertain and hi...
ICIP
2008
IEEE
14 years 7 months ago
2008
IEEE
3D Brain SPECT imagery is a well established functional imaging method which has become a great help to physicians in the diagnosis of several neurological and cerebrovascular dis...