Improving QGA-ELM Inversion Model of Rice Leaf Area Index Based on UAV Remote Sensing Image

Table 6

Biomass and yield inversion models based LAI of rice.

Index	Rice growth period	Model	R^2P	RMSEP
Biomass; (kg/m^2)	Heading stage		0.8583	0.332 kg/m^2
	Prophase of booting		0.8188	0.406 kg/m^2
Yield; (kg/mu)	Heading stage		0.8056	30.561 kg/mu
	Prophase of booting		0.8254	37.446 kg/mu