Local wavelet packet decomposition of soil hyperspectral for SOM estimation

Infrared Physics & Technology（2022）

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摘要

•Local wavelet packet decomposition (LWPD) is proposed to characterize soil hyperspectral.•Two spectrum features are defined based on LWPD.•Four LWPD-based models are established for forecasting soil organic matter.

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关键词

Hyperspectral,Soil organic matter,Wavelet packet decomposition,Ridge regression with cross-validation

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