TY - RPRT TI - Sensing Technology Survey for Obstacle Detection in Vegetation AU - Lohar, Shreya AU - Zhu, Lei AU - Young, Stanley (ORCID:0000000239559608) AU - Graf, Peter AU - Blanton, Michael PY - 2021 DO - 10.3390/futuretransp1030036 UR - https://www.osti.gov/biblio/1829550 ID - 1829550 ER -