Active Contours with Optical Flow and Primitive Shape Priors for Echocardiographic Imagery.
Ali K. HamouMahmoud R. El-SakkaPublished in: IMAGAPP (2009)
Keyphrases
- active contours
- shape prior
- optical flow
- object boundaries
- computer vision
- level set
- variational segmentation
- active contour model
- image segmentation
- image sequences
- object segmentation
- level set method
- segmentation method
- curve evolution
- motion estimation
- optical flow estimation
- energy function
- geodesic active contours
- flow field
- pose invariant
- motion field
- high resolution
- energy functional
- shape variations
- image processing
- vector field
- motion model
- force field
- gradient vector flow
- external force
- shape representation
- variational framework
- variational formulation
- least squares
- graph cuts
- moving objects
- medical images
- level set evolution
- prior shape