A novel Shape Constrained Feature-based Active Contour model for lips/mouth segmentation in the wild.
T. Hoang Ngan LeMarios SavvidesPublished in: Pattern Recognit. (2016)
Keyphrases
- active contour model
- shape prior
- region based segmentation
- active contours
- segmentation method
- energy functional
- level set framework
- deformable contour
- level set
- external force
- boundary extraction
- shape model
- gradient vector flow
- region growing
- snake model
- minimal path
- curve evolution
- object boundaries
- tumor segmentation
- graph cuts
- multiscale segmentation
- geodesic active contours
- image segmentation
- force field
- deformable models
- level set method
- shape variations
- segmentation algorithm
- energy function
- mumford shah functional
- lip reading
- prior shape
- object segmentation
- gradient flow
- shape representation
- prior information
- chan vese model
- pose invariant
- image gradient
- chan vese
- energy minimization
- dce mri
- complex shapes
- shape descriptors
- vector field
- statistical models
- circular hough transform
- image analysis
- object shape
- visual speech
- markov random field
- multiscale