Segmentation with Active Contours: A Comparative Study of B-Spline and Level Set Techniques.
Demian WassermannMarta MejailJuliana GambiniMaría E. BuemiPublished in: SIBGRAPI (2004)
Keyphrases
- level set
- b spline
- active contours
- shape prior
- active contour model
- level set method
- image segmentation
- geodesic active contours
- object boundaries
- energy function
- energy functional
- segmentation method
- curve evolution
- control points
- variational segmentation
- partial differential equations
- image segmentation methods
- least squares
- gradient vector flow
- level set evolution
- basis functions
- variational framework
- contour extraction
- mumford shah functional
- geometric active contours
- snake model
- narrow band
- chan vese
- free form deformation
- region based active contours
- region growing
- gradient flow
- level set framework
- piecewise constant
- deformation field
- computer vision
- level set functions
- initial contour
- moving objects
- signed distance function