PHI成像光谱图像反射率转换模型

PHI成像光谱图像反射率转换模型

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Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Method-focused categoriesData-perspectiveRemote sensing analysis

Model Description

Chinese {{currentDetailLanguage}} Chinese

PHI成像光谱图像反射率转换模型

1.反射率转换方法

(1) 发射率反演模型:

式中,R为像元某一波段的反射率;L为相应的DN值;分别为由LOWTRAN7所计算的0反照度表面的程辐射及100%反射的朗伯体表面的反射辐照度。

(2) 混光谱法反演地物反射率模型:

式中,为误差;kb为波段的增益和偏移;为光谱辐射值;为最终单元在像元中的百分比,满足:

(3) 验线性法反演地物反射率模型:

式中,kb为系数。

2.利用经验线性法进行反射率转换

反射率转换模型:

式中,为两种地物的波段光谱响应值;R为反射率;Kb为参数。

参考文献:

刘建贵,吴长山,张兵等:PHI成像光谱图像反射率转换。遥感学报,1999, 3(4)

How to Cite

《资源环境数学模型手册》 (2018). PHI成像光谱图像反射率转换模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/aa2fe8ca-3bc4-45d7-9e5a-44f0050485d8
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Last modifier : 
zhengzhong
Last modify time : 
2020-12-19
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

History

Last modifier : 
zhengzhong
Last modify time : 
2020-12-19
Modify times : 
View History

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