基于高光谱遥感的玉米叶片SPAD值估算模型研究

董哲,杨武德,张美俊,朱洪芬,王超

Estimation Models of Maize Leaf SPAD Value Based on Hyperspectral Remote Sensing

Zhe Dong,Wude Yang,Meijun Zhang,Hongfen Zhu,Chao Wang

图1 基于不同估算模型的SPAD实测值与预测值1∶1关系图 a. PLSR（光谱特征参数）、b. PLSR（全谱）、c. BP神经网络、d. 多项式（sλr）

Fig.1 The relationships between measured value and predicted value of SPAD based on different estimation models a. PLSR (spectral characteristic parameter), b. PLSR (full spectrum), c. BP neural network, d. Polynomial (sλr)