Improved Na+ estimation from hyperspectral data of saline vegetation by machine learning

Daosheng Chen,Fei Zhang,Mou Leong Tan,Ngai Weng Chan,Jingchao Shi,Changjiang Liu,Weiwei Wang

Computers and Electronics in Agriculture（2022）

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摘要

•Combinations of multiple vegetation indices were used to estimate Na + in leaves of saline vegetation.•The ABT and RF variable screening methods were introduced to optimize the prediction model.•Important variables reflecting Na+ in leaves of saline vegetation were screened.

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关键词

Spectral index,Machine learning,Saline vegetation,Variable importance

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