Gallbladder Segmentation from 2-D Ultrasound Images Using Active Contour Models and Gradient Vector Flow.
Marcin CiecholewskiPublished in: MIRAGE (2011)
Keyphrases
- active contour model
- gradient vector flow
- segmentation method
- active contours
- multiscale segmentation
- region growing
- gvf snake
- external force
- force field
- shape prior
- segmentation algorithm
- curve evolution
- image segmentation
- minimal path
- input image
- snake model
- edge preserving
- edge detection
- diffusion process
- object segmentation
- energy function
- vector field
- energy minimization
- level set
- energy functional
- level set method
- grey level
- object boundaries
- image analysis
- improved algorithm
- edge map
- gradient flow
- computer vision
- geometric active contours
- multiscale
- image registration
- contour extraction
- pixel wise
- graph cuts
- noise reduction