@techreport{870af6fe5ce54309aa9facb2bd2c4928,
title = "Reconstructing tree crowns from laser scanner data for feature extraction",
keywords = "crown profile, feature extraction, laser scanning, reconstruciton, tree crown, crown profile, feature extraction, laser scanning, reconstruciton, tree crown, crown profile, feature extraction, laser scanning, reconstruciton, tree crown",
author = "Ulla Pyysalo and Hannu Hyypp{\"a}",
year = "2002",
language = "English",
series = "Photogrammetric Computer Vision, Graz, It{\"a}valta, 9.-13.9.2002",
publisher = "ISPRS Commission III",
pages = "218--221",
type = "WorkingPaper",
institution = "ISPRS Commission III",
}