New Method for Forest Resource Data Collection Based on Smartphone Fusion with Multiple Sensors

Table 2

Comparison of tree measurement based on this method and traditional method.

Category	Bias	rBias (%)	RMSE	rRMSE (%)
Height (m)	−0.23	−1.40	0.98	5.87
DBH (cm)	−0.18	−1.06	2.24	13.46