Table 2.

Coefficients of correlation between actual measurements of biomass, area and height, and parameter estimation using Kinect sensor from different viewing angles in small poplars.

Viewing Angle	Leaf Biomass	Branch Biomass	Total Biomass	Leaf Area	Height
0°	0.738 *	0.051	0.663	0.891 **	0.923 **
45°	0.260	0.568	0.368	0.343	0.940 **
90°	0.010	0.849 **	0.215	0.011	0.944 **
Multiangle	0.759 *	0.724 *	0.845 *	0.853 **	0.924 **

* Correlation significant at p < 0.05 level; ** Correlation significant at p < 0.01 level.