602 search results - page 4 / 121 » gradient vector flow |
TIP
1998
13 years 5 months ago
1998
EMMCVPR
2003
Springer
13 years 10 months ago
2003
Springer
Poor convergence to concave shapes is a main limitation of snakes as a standard segmentation and shape modelling technique. The gradient of the external energy of the snake represe...
ICCV
2005
IEEE
14 years 7 months ago
2005
IEEE
We present an algorithm for detecting multiple rotational symmetries in natural images. Given an image, its gradient magnitude field is computed, and information from the gradient...
ICPR
2004
IEEE
14 years 6 months ago
2004
IEEE
This paper describes a method for curvature dependant Skeletonisation in grey-scale images. We commence from a magnetostatic analogy, where the tangential edge flow (the cross pro...
MICCAI
2007
Springer
14 years 6 months ago
2007
Springer
We present an approach to detect anatomical structures by configurations of interest points, from a single example image. The representation of the configuration is based on Markov...