Gradient vector flow active contours with prior directional information.
Guopu ZhuShuqun ZhangQingshuang ZengChanghong WangPublished in: Pattern Recognit. Lett. (2010)
Keyphrases
- gradient vector flow
- active contours
- directional information
- active contour model
- gvf snake
- external force
- external forces
- object boundaries
- level set
- wavelet transform
- image segmentation
- vector field
- shape prior
- level set method
- force field
- energy functional
- prior knowledge
- energy function
- geometric active contours
- segmentation method
- diffusion process
- snake model
- improved algorithm
- subband
- gradient flow