414 search results - page 19 / 83 » Sobolev Active Contours |
CVBIA
2005
Springer
14 years 3 months ago
2005
Springer
Most variational active contour models are designed to find the “desirable” local minima of data-dependent energy functionals with the hope of avoiding undesirable configurat...
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...
CVPR
2008
IEEE
14 years 12 months ago
2008
IEEE
We present an approach for unsupervised segmentation of natural and textural images based on active contour, differential geometry and information theoretical concept. More precis...
SCALESPACE
2005
Springer
14 years 3 months ago
2005
Springer
Abstract. In this paper, we propose an evolution equation for the active contours in scale spaces. This evolution equation is based on the Polyakov functional that has been first ...
CVPR
2006
IEEE
14 years 1 months ago
2006
IEEE
Segmentation of ultrasound images is often a very challenging task due to speckle noise that contaminates the image. It is well known that speckle noise exhibits an asymmetric dis...