太湖水体GF-1/WFV影像的6S逐像元大气校正

程春梅,韦玉春,李渊,涂乾光

Atmospheric Correction of GF-1/WFV Image in Taihu Lake based on the 6S Model Pixel by Pixel

Chunmei Cheng,Yuchun Wei,Yuan Li,Qianguang Tu

表1 原始影像和裁剪后影像4个角点的观测几何

Table 1 The observed geometry at the four corners in the original and clipped image

原始影像 裁剪后影像 ID 太阳天顶角/° 太阳方位角/° 卫星天顶角/° 太阳天顶角/° 太阳方位角/° 卫星天顶角/° 1 19.33 152.61 17.89 18.71 155.70 9.10 2 18.50 159.87 0.26 18.45 158.06 6.46 3 17.30 149.58 17.89 18.11 154.67 8.95 4 16.37 157.36 0.26 17.87 157.39 8.14