@inproceedings{zhu20123d,
  title={3D tubular structure extraction using kernel-based superellipsoid model with Gaussian process regression},
  author={Zhu, Qingxiang and Zheng, Dayu and Xiong, Hongkai},
  booktitle={Visual Communications and Image Processing (VCIP), 2012 IEEE},
  pages={1--6},
  year={2012},
  month={Nov.},
  organization={IEEE},
  address={San Diego, USA}
}