@article{differentialviewpointsforgroundterrain,
  title = {Differential Viewpoints for Ground Terrain Material Recognition},
  author = {Jia Xue and Hang Zhang and Ko Nishino and Kristin J. Dana},
  year = {2020},
  eprint = {2009.11072},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.11072v1},
}