@article{zeng2010supine,
  title={Supine and prone colon registration using quasi-conformal mapping},
  author={Zeng, Wei and Marino, Joseph and Gurijala, Krishna Chaitanya and Gu, Xianfeng and Kaufman, Arie},
  journal={IEEE Transactions on Visualization and Computer Graphics},
  volume={16},
  number={6},
  pages={1348--1357},
  year={2010},
  publisher={IEEE}
}