@article{fasthierarchicalneuralnetworkforfeature,
  title = {Fast Hierarchical Neural Network for Feature Learning on Point Cloud},
  author = {Can Chen and Luca Zanotti Fragonara and Antonios Tsourdos},
  year = {2019},
  eprint = {1906.04117},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.04117v1},
}