8PEREIRA L M G, JANSSEN L L F. Suitability of Laser Data for DTM Generation: a Case Study in the Context of Road Planning and Design [J] . ISPRS Journal of Photogrammetry &Remote Sensing, 1999 (54) : 244 - 253.
9ARUGA K, SESSIONS J, AKAY A E.Application of an Airborne Laser Scanner to Forest Road Design with Accurate Earthwork Volumes [ J ] .The Japanese Forest Society and Springer-Verlag Tokyo, 2005, 10 (2) : 113 - 124.
10ZHANG Keqi, CHEN Shuching. A Progressive Morphological Filter for Removing Nonground Measurements From Airborne LIDAR Data [J] . IEEE Transactions on Geoscience and Remote Sensing, 2003, 41 (4): 872-882.
