BRDF校正模型

BRDF校正模型

  69

Contributor

contributed at 2018-12-04

Authorship

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

Classification(s)

Geography SubjectGIScience & Remote SensingCartography

Detailed Description

BRDF校正模型

(1)   单重散射(可见光)冠层的辐射模拟为:

式中,E是直射阳光的辐射通量密度; 是相角;  是入射角; 是出射角; w是两倍叶反射系数,ak是冠层表面结构的特征参数。

(2)   多重散射(近红外光)冠层辐射模拟为:

式中, H函数表示冠层内的多重散射。

(3)   冠层对可见光及近红外光的二向反射因子可写为:

 

已知二向反射因子可对得到的表面反射系数ρ通过一个标度因子λ修正为一个标准方向的反射系数:

 

 

 

式中,分别是标准人射角、出射角和相角。

参考文献

    ShepberdJ D, DymondJR:植被的AVHRR图像的二向反射分布函数(BRDF)的校正。Remote Sensing of Environment,2000 ,74

How to cite

《资源环境数学模型手册》 (2018). BRDF校正模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/3b9eb6cb-8c9a-4711-8649-10436a70b1ef
Copy

QR Code

Contributor

contributed at 2018-12-04

Authorship

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

QR Code

You can link related {{typeName}} from your personal space to this model item, or you can create a new {{typeName.toLowerCase()}}.

Model Content & Service

These authorship information will be submitted to the contributor to review.