778 search results - page 3 / 156 » Vector field contours |
JMIV
2008
13 years 5 months ago
2008
Vector fields arise in many problems of computer vision, particularly in non-rigid registration. In this paper, we develop coupled partial differential equations (PDEs) to estimat...
CVPR
2005
IEEE
14 years 7 months ago
2005
IEEE
Active contours or snakes have been extensively utilized in handling image segmentation and classification problems. In traditional active contour models, snake initialization is ...
SIGGRAPH
1994
ACM
13 years 9 months ago
1994
ACM
The irradiance at a point on a surface due to a polyhedral source of uniform brightness is given by a well-known analytic formula. In this paper we derive the corresponding analyt...
CISIS
2008
IEEE
14 years 3 days ago
2008
IEEE
Liver segmentation from scans of the abdominal area is an important step in several diagnostic processes. CT scans of the abdominal area contain several organs in close proximity ...
JMIV
2006
13 years 5 months ago
2006
Vector field segmentation methods usually belong to either of three classes: methods which segment regions homogeneous in direction and/or norm, methods which detect discontinuiti...