估计农作物面积的混合模型

估计农作物面积的混合模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Method-focused categoriesData-perspectiveGeostatistical analysis
Method-focused categoriesProcess-perspectiveBiological process calculation

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估计农作物面积的混合模型

 

分类的误差或偏差比例:

 

 

式中,是估计的误差比例;是委托误差率;是忽略误差率;是真实比例。如果假定对给定的分类器是常数,则这个方程预测当较小时,则出现正偏差(高估),当较大时,则出现负偏差(低估)。混合模型的数学表述即是,一组数据的属性值的总的分布可通过等价于简单分布的线性组合来描述为是类别在混合体中的比例,是类别中的概率密度函数,是总的概率密度函数。

 

参考文献:

LenningtonR KSorensenC THeydorn R P:用Landsat数据估计农作物面积的混合模型。Remote Sensing of Environment1984,14

How to Cite

《资源环境数学模型手册》 (2018). 估计农作物面积的混合模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/386e6c5f-7bfa-4db5-93de-cfa10c7bc0de
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Last modifier : 
Mingyuan Li
Last modify time : 
2020-12-21
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Contributor

contributed at 2018-12-04

Authorship

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

History

Last modifier : 
Mingyuan Li
Last modify time : 
2020-12-21
Modify times : 
View History

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