@article{pan2020hlo,
  title={HLO: Half-kernel Laplacian operator for surface smoothing},
  author={Pan, Wei and Lu, Xuequan and Gong, Yuanhao and Tang, Wenming and Liu, Jun and He, Ying and Qiu, Guoping},
  journal={Computer-Aided Design},
  volume={121},
  pages={102807},
  year={2020},
  publisher={Elsevier},
  doi={10.1016/j.cad.2019.102807}
}