High Spatial Resolution Fractional Vegetation Coverage Inversion Based on UAV and Sentinel-2 Data: A Case Study of Alpine Grassland. - Guangrui Zhong; Jianjun Chen 006; Renjie Huang; Shuhua Yi; Yu Qin; Haotian You; Xiaowen Han; Guoqing Zhou 001 (Remote. Sens., 2023)