@article{chen2013ricci,
  title={Ricci flow-based spherical parameterization and surface registration},
  author={Chen, X and He, H and Zou, G and Zhang, X and Gu, X and Hua, J},
  journal={Computer Vision and Image Understanding},
  volume={117},
  number={9},
  pages={1107--1118},
  year={2013},
  publisher={Elsevier}
}