Study of Subtropical Forestry Index Retrieval Using Terrestrial Laser Scanning and Hemispherical Photography

Table 5

LAI calculation based on PCD.

PCD data	Gap fraction of 57 degrees	LAI			Canopy clumping index
		Miller’s method	Iterative inversion method	Equation (22) of singe angle
Low-density PCD1	0.3460	1.2169	1.2887	1.1661	0.9778
Medium-density PCD1	0.1393	2.2692	2.4095	2.2092	0.9296
High-density PCD1	0.1283	2.4099	2.6309	2.3559	0.9138
Low-density PCD2	0.3438	1.2224	1.3383	1.1662	0.9761
Medium-density PCD2	0.1894	1.9356	2.1179	1.8581	0.9557
High-density PCD2	0.1184	2.4654	2.6572	2.3485	0.9328