Spectral Correction for the Effect of Crown Shape at the Single-Tree Level: An Approach Using a Lidar-Derived Digital Surface Model for Broad-Leaved Canopy. - Youngkeun Song; Junichi Imanishi; Hiroshi Hashimoto; Atsuo Morimura; Yukihiro Morimoto; Katsunori Kitada (IEEE Trans. Geosci. Remote. Sens., 2013)