Active Contour Directed by the Poisson Gradient Vector Field and Edge Tracking.
Adam BowdenNikolay Metodiev SirakovPublished in: J. Math. Imaging Vis. (2021)
Keyphrases
- vector field
- active contours
- gradient field
- force field
- gradient vector flow
- snake model
- external force
- image gradient
- object boundaries
- energy function
- geometric active contours
- active contour model
- optical flow
- geodesic active contours
- level set
- scalar field
- object segmentation and tracking
- energy functional
- edge map
- edge detection
- image segmentation
- level set method
- sobolev active contours
- deformable models
- motion field
- shape prior
- velocity field
- segmentation method
- edge information
- motion segmentation
- flow field
- contour extraction
- shape model
- piecewise constant
- smoothness constraint
- image structure
- deformation field
- curve evolution