29 search results - page 2 / 6 » Representing Edge Models via Local Principal Component Analy... |
ICCV
2003
IEEE
13 years 10 months ago
2003
IEEE
A new approach to automatically extract the main features in color fundus images are proposed in this paper. Optic disk is localized by the principal component analysis (PCA) and ...
PRL
2006
13 years 5 months ago
2006
Approaches analyzing local characteristics of an image prevail in image restoration. However, they are less effective in cases of restoring images degraded by large size point spr...
ISBI
2007
IEEE
13 years 11 months ago
2007
IEEE
We present a novel local region approach for statistically characterizing appearance in the context of medical image segmentation via deformable models. Our appearance model refl...
TIP
2008
13 years 5 months ago
2008
Significant appearance changes of objects under different orientations could cause loss of tracking, "drifting." In this paper, we present a collaborative tracking framew...
ICIP
2005
IEEE
14 years 6 months ago
2005
IEEE
Robustly tracking moving objects in video sequences is one of the key problems in computer vision. In this paper we introduce a computationally efficient nonlinear kernel learning...