@misc{indiciaea8772b4cc5cf,
  title = {Dynamic directional gradient vector flow for snakes.},
  author = {Jierong Cheng and Say Wei Foo},
  year = {2006},
  doi = {10.1109/tip.2006.871140},
  url = {https://pubmed.ncbi.nlm.nih.gov/16764281/},
  note = {Source identifier: 16764281}
}