基于Google Earth Engine的重庆市植被指数长时间序列S-G滤波方法的改进与实现

吴川虎,陶于祥,罗小波

Reconstruction of Chongqing’s Long Time-series NDVI through an Improved S-G Filter based on Google Earth Engine

Chuanhu Wu,Yuxiang Tao,Xiaobo Luo

表4 样本点的相关性与平滑度

Table 5 Correlation and smoothness of three sample points

样本点 SGPearson WSGPearson 原始平滑度 SG平滑度 WSG平滑度 17 0.53 0.72 0.52 0.77 0.56 26 0.71 0.76 0.52 0.82 0.51 39 0.69 0.82 0.44 0.76 0.55