A region and gradient based active contour model and its application in boundary tracking on anal canal ultrasound images.
Di XiaoWan Sing NgCharles B. TsangUdantha R. AbeyratnePublished in: Pattern Recognit. (2007)
Keyphrases
- ultrasound images
- active contour model
- geodesic active contours
- edge map
- boundary extraction
- active contours
- region growing
- snake model
- segmentation result
- object boundaries
- segmentation method
- speckle noise
- edge detection
- level set method
- medical ultrasound
- energy minimization
- particle filter
- curve evolution
- shape prior
- level set
- carotid artery
- energy functional
- motion tracking
- appearance model
- graph cuts
- image segmentation
- motion detection
- automated segmentation
- x ray
- user interaction
- region of interest
- object segmentation