@article{beltramisignatureanovelinvariant2dshape,
  title = {Harmonic Beltrami Signature: A Novel 2D Shape Representation for Object Classification},
  author = {Chenran Lin and Lok Ming Lui},
  year = {2021},
  eprint = {2103.16411},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.16411v2},
}