Christopher A. Weed, Melba M. Crawford, Amy L. Neuenschwander, Roberto Gutierrez. Classification of LIDAR data using a lower envelope follower and gradient-based operator. In IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2002, Toronto, Ontario, Canada, 24-28 June 2002. pages 1384-1386, IEEE, 2002. [doi]
Abstract is missing.