Global Elevation Inversion for Multiband Spaceborne Lidar: Predevelopment of Forest Canopy Height - Haowei Zhang; Wei Gong; Hu He; Yue Ma; Weibiao Chen; Jiqiao Liu; Ge Han; Zhiyu Gao; Wanqi Zhong; Xin Ma (IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2025)