从NDVI序列检测植被“绿化”或“褐化”变化趋势的新方法
唐亮, 赵忠明, 唐娉

A new method for detection “greening” or “browning” change trend in vegetation from NDVI sequences
Liang TANG, Zhongming ZHAO, Ping TANG
图1 原始NDVI时间序列和上、下包络线及其均值
Fig.1 Origin time-series, upper and lower NDVI envelope, mean of upper and lower envelope