Table 4.

LAI estimation results of winter wheat with different input variables.

Model	Input variable	R 2	RMSE	MAE
PLSR	VI	0.75	0.54	0.69
	T	0.70	0.59	0.75
	VI+T	0.78	0.52	0.63
RF	VI	0.82	0.47	0.57
	T	0.66	0.61	0.77
	VI+T	0.82	0.46	0.58
CNN	Scaled raw image	0.83	0.50	0.61

All the statistical analyses in the table pass the significance test at the p< 0.001 level.