@article{marino2011context,
  title={Context preserving maps of tubular structures},
  author={Marino, Joseph and Zeng, Wei and Gu, Xianfeng and Kaufman, Arie},
  journal={IEEE transactions on visualization and computer graphics},
  volume={17},
  number={12},
  pages={1997--2004},
  year={2011},
  publisher={IEEE}
}