43 search results - page 4 / 9 » Active contours driven by local image fitting energy |
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
A common problem in most active contour methods is that the recursive searching scheme can only return a local optimal solution. Furthermore, the internal energy of the snake is n...
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
Recently, nonlinear shape models have been shown to improve the robustness and flexibility of segmentation. In this paper, we propose Shape Regularized Active Contour (ShRAC) that...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Lip tracking is crucial to the success of a lipreading recognition system. This paper presents a robust lip tracking algorithm using localized color active contours and deformable...
ICIP
2010
IEEE
13 years 5 months ago
2010
IEEE
Active models are widely used in applications like image segmentation and tracking. Region-based active models are known for robustness to weak edges and high computational comple...
JMIV
2007
13 years 7 months ago
2007
A variational approach to image or video segmentation consists in defining an energy depending on local or global image characteristics, the minimum of which being reached for ob...