Active contours with neighborhood-extending and noise-smoothing gradient vector flow external force.
Lixiong LiuAlan C. BovikPublished in: EURASIP J. Image Video Process. (2012)
Keyphrases
- external force
- gradient vector flow
- active contours
- active contour model
- vector field
- gvf snake
- external forces
- force field
- object boundaries
- level set
- image segmentation
- deformable models
- edge preserving
- segmentation method
- diffusion process
- electric field
- snake model
- shape prior
- level set method
- noise reduction
- signal to noise ratio
- energy functional
- smoothness constraint
- edge map
- geometric active contours
- image analysis
- energy function
- multiscale
- image sequences