437 search results - page 67 / 88 » Segmentation by Level Sets and Symmetry |
ISBI
2004
IEEE
14 years 9 months ago
2004
IEEE
We propose a subpixel registration algorithm to deal with the motion induced by breathing for renal perfusion MR image sequences. Our approach minimizes an energy functional that ...
ISVC
2005
Springer
14 years 2 months ago
2005
Springer
In this paper we explicitly derive a level set formulation for mean curvature flow in a Riemannian metric space. This extends the traditional geodesic active contour framework whi...
DICTA
2003
13 years 10 months ago
2003
Abstract. This paper describes methods of extracting region boundaries from the frames of an image sequence by combining information from spatial or temporal cooccurrence matrices ...
TIP
2010
13 years 3 months ago
2010
This paper proposes an approach for recognizing human activities (more specifically, pedestrian trajectories) in video sequences, in a surveillance context. A system for automatic ...
EMMCVPR
2011
Springer
12 years 9 months ago
2011
Springer
Abstract. The Mumford-Shah model has been one of the most powerful models in image segmentation and denoising. The optimization of the multiphase Mumford-Shah energy functional has...