基于NDVI阈值法的森林冰冻受灾范围精确提取

王学成, 杨飞, 高星, 李丽

Precise Extraction of Damaged Forest Range Caused by Ice-snow Frozen Disaster Based on the NDVI Threshold Method

WANG Xuecheng,YANG Fei,GAO Xing,LI Li

图1 森林像元NDVI变化率统计分布

Fig.1 Statistical distribution of NDVI variation ratios of forest pixels