基于光谱指数和偏最小二乘的棉花类胡萝卜素/叶绿素a比值估算

易秋香,刘英,常存,钟瑞森

Estimation of cotton Car/Chla ratio by hyperspectral vegetation indices and partial least square regression

Qiu-Xiang YI,Ying LIU,Cun CHANG,Rui-Sen ZHONG

图1 预测误差平方和(PRESS)与潜变量之间的变化关系

Fig. 1 Relationships between the number of latent variables and the predicted residual sums of squares (PRESS)