先验终端像元库支持下的GF-4多光谱影像自动云检测

束美艳,顾晓鹤,孙林,朱金山,陈婷婷,王凯,王权,杨贵军

Automatic Cloud Detection of GF4 Multispectral Imagery Supported by the Priori Terminal Pixel Library

Meiyan Shu,Xiaohe Gu,Lin Sun,Jinshan Zhu,Tingting Chen,Kai Wang,Quan Wang,Guijun Yang

表1 GF-4PMS云检测算法

Table 1 GF-4PMS cloud detection algorithm

单波段 波段组合 波段比值 Band 1(0.17) Band 1, Band 2(0.18,0.14) Band 3/ Band 1(0.91,1.06) Band 2(0.19) Band 1, Band 3(0.18,0.1) Band 3/ Band 2(0.99,1.06) Band 1, Band 4(0.14,0.28) Band 2, Band 4(0.14,0.3)