@article{hu2016assistive3DLocalization,
  title={Indoor Localization for the Visually Impaired Using a 3D Sensor},
  author={ Hu, Feng and Tsering, Norbu and Tang, Hao and  Zhu, Zhigang},
  journal={Journal on Technology and Persons with Disabilities},
  volume={4},
  number={},
  pages={192--203},
  year={2016},
}