5 search results - page 1 / 1 » Toward a Lagrangian Vector Field Topology |
CGF
2010
13 years 3 months ago
2010
In this paper we present an extended critical point concept which allows us to apply vector field topology in the case of unsteady flow. We propose a measure for unsteadiness wh...
CGF
2010
12 years 11 months ago
2010
This paper presents an approach to a time-dependent variant of the concept of vector field topology for 2-D vector fields. Vector field topology is defined for steady vector field...
CVPR
2005
IEEE
14 years 6 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 ...
WSCG
2003
13 years 5 months ago
2003
The analysis of blood flow patterns and the interaction between salient topological flow features and cardiovascular structure plays an important role in the study of cardiovascul...
ICCV
2001
IEEE
14 years 6 months ago
2001
IEEE
This paper proposes a new front propagation flow for boundary extraction. The proposed framework is inspired by the geodesic active contour model and leads to a paradigm that is r...