1421 search results - page 244 / 285 » Variational image segmentation using boundary functions |
TIP
2008
13 years 9 months ago
2008
Edge-based and region-based active contours are frequently used in image segmentation. While edges characterize small neighborhoods of pixels, region descriptors characterize entir...
ECCV
2002
Springer
14 years 11 months ago
2002
Springer
Illumination conditions cause problems for many computer vision algorithms. Inparticular, shadows in an image can cause segmentation, tracking, or recognition algorithms to fail. I...
CIVR
2005
Springer
14 years 3 months ago
2005
Springer
In the paper, we proposed a novel feature descriptor using over-complete wavelet transform and wavelet domain based fractal signature for texture image analysis and retrieval. Trad...
MICCAI
2001
Springer
14 years 2 months ago
2001
Springer
In this article we merge point feature and intensity-based registration in a single algorithm to tackle the problem of multiple brain registration. Because of the high variability ...
CVPR
2010
IEEE
14 years 5 months ago
2010
IEEE
In this paper we considerably improve on a state-of-theart alpha matting approach by incorporating a new prior which is based on the image formation process. In particular, we mod...