25 search results - page 2 / 5 » Coarse-to-Fine Segmentation and Tracking Using Sobolev Activ... |
ICASSP
2007
IEEE
13 years 12 months ago
2007
IEEE
Segmentation and tracking methods have been widely explore. However, they are often computationally heavy or require constraining assumptions. We present in this paper a new syste...
CVPR
2005
IEEE
14 years 7 months ago
2005
IEEE
Geometric active contours are formulated in a manner which is parametrization independent. As such, they are amenable to representation as the zero level set of the graph of a hig...
ICCV
2003
IEEE
14 years 7 months ago
2003
IEEE
We consider the problem of image segmentation using active contours through the minimization of an energy criterion involving both region and boundary functionals. These functiona...
ICIP
2010
IEEE
13 years 3 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...
ISBI
2006
IEEE
14 years 6 months ago
2006
IEEE
This paper presents a semi-automatic method for the segmentation and the tracking of the mitral valve leaflet in transesophageal echocardiography. We use two connected active cont...