@conference{149676,
  author = {Gin-Shu Young and Tsai and Martin Herman and J Yang},
  title = {Obstacle Detection and Terrain Characterization Using Optical Flow Without 3-D Reconstruction},
  year = {1992},
  month = {1992-11-01},
  publisher = {Proceedings of the SPIE 1825 on Intelligent Robots and Computer Vision XI, Boston, MA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=820431},
  language = {en},
}