@article{zou2009intrinsic,
  title={Intrinsic geometric scale space by shape diffusion},
  author={Zou, Guangyu and Hua, Jing and Lai, Zhaoqiang and Gu, Xianfeng and Dong, Ming},
  journal={IEEE transactions on visualization and computer graphics},
  volume={15},
  number={6},
  pages={1193--1200},
  year={2009},
  publisher={IEEE}
}