Optical Flow Active Contours with Primitive Shape Priors for Echocardiography.
Ali K. HamouMahmoud R. El-SakkaPublished in: EURASIP J. Adv. Signal Process. (2010)
Keyphrases
- active contours
- shape prior
- optical flow
- object boundaries
- level set
- variational segmentation
- active contour model
- image segmentation
- object segmentation
- energy functional
- image sequences
- segmentation method
- level set method
- optical flow estimation
- curve evolution
- energy function
- geodesic active contours
- motion model
- motion estimation
- shape representation
- flow field
- motion field
- least squares
- pose invariant
- shape variations
- computer vision
- external force
- motion segmentation
- variational formulation
- vector field
- gradient vector flow
- force field
- prior shape
- moving objects
- variational framework
- multiresolution
- segmentation algorithm
- partial differential equations