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PHI高光谱图像的大气校正算法

Keywords: 大气校正高光谱反射率PHI光谱成像仪

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Abstract:

从高光谱遥感图像中提取较为精确的定量信息,大气校正是必不可少的步骤.本文在应用大气辐射传输模型对高光谱遥感数据进行大气模拟的基础上,研究并发展基于遥感影像信息的经济、有效的大气辐射校正和反射率反演算法.该算法可以根据遥感图像有效地估计大气中气溶胶的空间分布,并分析交叉辐射的影响,进而对其进行大气辐射校正和反射率反演,通过对几景PHI高光谱遥感图像的校正试验,表明了这种算法的有效性。

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