Contour Segmentation Based on GVF Snake Model and Contourlet Transform.
Xinhong ZhangKun CaiFan ZhangRui LiPublished in: ICIC (2) (2013)
Keyphrases
- snake model
- contour extraction
- active contours
- active contour model
- gradient vector flow
- image gradient
- external force
- deformable models
- object boundaries
- force field
- complex shapes
- level set
- level set method
- b spline
- segmentation method
- shape prior
- perceptual grouping
- seed points
- vector field
- edge detection
- multiresolution
- image denoising
- image segmentation
- region growing
- diffusion process
- energy functional
- image data