TY - CONF AU - Gin-Shu Young AU - Tsai AU - Martin Herman AU - J Yang C2 - Proceedings of the SPIE 1825 on Intelligent Robots and Computer Vision XI, Boston, MA DA - 1992-11-01 LA - en PB - Proceedings of the SPIE 1825 on Intelligent Robots and Computer Vision XI, Boston, MA PY - 1992 TI - Obstacle Detection and Terrain Characterization Using Optical Flow Without 3-D Reconstruction UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=820431 ER -