602 search results - page 34 / 121 » gradient vector flow |
VISUALIZATION
1999
IEEE
14 years 2 months ago
1999
IEEE
Vector field visualization remains a difficult task. Many local and global visualization methods for vector fields such as flow data exist, but they usually require extensive user...
DICTA
2003
13 years 11 months ago
2003
An algebraic curve is defined as the zero set of a multivariate polynomial. We consider the problem of fitting an algebraic curve to a set of vectors given an additional set of v...
CVPR
1998
IEEE
14 years 12 months ago
1998
IEEE
We have developed a computer vision system, including both facial feature extraction and recognition, that automatically discriminates among subtly different facial expressions. E...
MICCAI
2005
Springer
14 years 10 months ago
2005
Springer
Many medical imaging applications require the computation of dense correspondence vector fields that match one surface with another. To avoid the need for a large set of manually-d...
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
An image segmentation scheme that utilizes image-based flow fields in a curve evolution framework is presented. Geometric curve evolution methods require an edge function and a ve...