414 search results - page 52 / 83 » Diffeomorphic Active Contours |
DICTA
2009
13 years 8 months ago
2009
In many applied problems in the context of pattern recognition, the data often involve highly asymmetric observations. Normal mixture models tend to overfit when additional compone...
ECCV
2008
Springer
14 years 9 months ago
2008
Springer
In this paper, we present a region-based deformable cylinder model, extending the work on classical region-based active contours and gradient-based ribbon snakes. Defined by a cent...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
This paper presents efficient methods for automatic detection and extraction of blood vessels and optic disc (OD) both of which are two prominent anatomical structures in ocular f...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
In this paper constrained Gradient Vector Flow (GVF) field generation is performed, for fast and accurate unsupervised stereoscopic semantic segmentation. The scheme utilizes the ...
ISBI
2006
IEEE
14 years 8 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...