Variational Curve Skeletons Using Gradient Vector Flow.
M. Sabry HassounaAly A. FaragPublished in: IEEE Trans. Pattern Anal. Mach. Intell. (2009)
Keyphrases
- gradient vector flow
- active contours
- geometric active contours
- active contour model
- evolution equation
- curve evolution
- image segmentation
- gvf snake
- vector field
- curve skeleton
- force field
- edge preserving
- level set
- object boundaries
- diffusion process
- level set method
- external force
- shape representation
- improved algorithm
- endpoints
- shape prior
- energy functional
- optical flow
- computer vision
- segmentation method
- b spline
- control points
- energy function
- energy minimization
- d objects
- edge map
- segmentation algorithm
- smoothness constraint
- image denoising