Segmentation and Tracking in Echocardiographic Sequences: Active Contours Guided by Optical Flow Estimates.
Ivana MikicSlawomir KrucinskiJames D. ThomasPublished in: IEEE Trans. Medical Imaging (1998)
Keyphrases
- active contours
- geometric active contours
- level set
- optical flow
- shape prior
- segmentation method
- motion segmentation
- snake model
- image segmentation
- cardiac ultrasound images
- gradient vector flow
- object segmentation and tracking
- energy functional
- variational segmentation
- active contour segmentation
- energy function
- active contour model
- object boundaries
- motion model
- geodesic active contours
- sobolev active contours
- level set method
- region based active contours
- image segmentation methods
- external force
- texture image segmentation
- curve evolution
- optical flow estimation
- smoothness constraint
- image sequences
- region growing
- gradient flow
- object segmentation
- particle filter
- motion field
- multiple objects
- motion analysis
- motion estimation
- multiscale
- moving objects
- vector field
- variational framework
- kalman filter
- computer vision
- image analysis
- partial differential equations
- force field
- piecewise constant
- consecutive frames
- coarse to fine
- shape model
- prior shape knowledge
- fully automatic
- medical images
- graph cuts