Ankle cartilage surface segmentation using directional gradient vector flow snakes.
Jinshan TangSteven MillingtonScott T. ActonJeff CrandallShepard HurwitzPublished in: ICIP (2004)
Keyphrases
- surface segmentation
- external force
- gradient vector flow
- gradient vectors
- active contours
- active contour model
- force field
- range images
- vector field
- globally optimal
- gvf snake
- diffusion process
- external forces
- edge preserving
- object boundaries
- level set method
- deformable models
- free form objects
- improved algorithm
- smoothness constraint
- anisotropic diffusion
- electric field
- graph cuts
- geometric active contours
- level set
- spatially varying
- edge map
- semi supervised
- pairwise
- object recognition
- image segmentation