Lip Contour Extraction Using Level Set Curve Evolution with Shape Constraint.
Jae Sik ChangEun Yi KimSe Hyun ParkPublished in: HCI (3) (2007)
Keyphrases
- curve evolution
- level set
- shape prior
- level set framework
- active contours
- energy functional
- level set evolution
- level set method
- geometric active contours
- closed curves
- variational framework
- evolution equation
- partial differential equations
- image segmentation
- shape model
- intensity information
- object boundaries
- piecewise constant
- energy function
- signed distance function
- mumford shah functional
- mumford shah
- variational level set method
- active contour model
- region competition
- variational formulation
- energy minimization
- shape analysis
- gradient flow
- regularization term
- image dependent
- graph cuts
- prior knowledge
- object recognition