基于高光谱的水稻叶片氮含量估计的深度森林模型研究

李金敏, 陈秀青, 杨琦, 史良胜

Deep learning models for estimation of paddy rice leaf nitrogen concentration based on canopy hyperspectral data

LI Jin-Min, CHEN Xiu-Qing, YANG Qi, SHI Liang-Sheng

图3 不同氮素水平下水稻冠层光谱反射率

氮素水平: N0 (0 kg hm^-2), N1′ (50 kg hm^-2), N2′ (100 kg hm^-2), N3′ (150 kg hm^-2)。

Fig. 3 Canopy hyperspectral reflectance under different nitrogen treatments

Nitrogen level: N0 (0 kg hm^-2), N1′ (50 kg hm^-2), N2′ (100 kg hm^-2), N3′ (150 kg hm^-2).