Active Contours Driven by Local Intensity and Local Gradient Fitting energies.
Jianjun YuanJianjun WangLipei LiuPublished in: Int. J. Pattern Recognit. Artif. Intell. (2014)
Keyphrases
- active contours
- region based active contours
- gradient flows
- object boundaries
- image gradient
- energy function
- level set
- active contour model
- sobolev active contours
- shape prior
- image segmentation
- geometric active contours
- image intensity
- intensity inhomogeneity
- gradient flow
- energy functional
- level set method
- curve evolution
- graph cuts
- intensity information
- segmentation method
- markov random field
- gradient vector flow
- piecewise constant
- external force
- narrow band
- energy minimization
- gradient field
- force field
- geodesic active contours
- texture image segmentation
- edge detection
- cost function
- edge map
- cardiac ultrasound images
- external forces
- smoothness constraint
- shape model
- least squares
- object detection
- image sequences