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Table 3 Accuracy of the stem characteristics in the effective area

From: Seamless integration of above- and under-canopy unmanned aerial vehicle laser scanning for forest investigation

Tree group
(DBH, cm)
Stem location Tree height DBH DBH
(Erroneous estimate excluded)
RMSE (m) RMSE (m)
(RMSE %)
Bias (m)
(Bias %)
RMSE (cm)
(RMSE %)
Bias (cm)
(Bias %)
RMSE (cm)
(RMSE %)
Bias (cm)
(Bias %)
5–10 0.11 0.33
3.18%
0.33
3.18%
7.89
84.76%
3.21
34.47%
2.84
30.42%
−0.01
−0.08%
10–15 0.11 0.33
2.51%
−0.13
− 0.01%
6.98
58.31%
3.08
25.72%
3.89
32.84%
0.01
0.05%
>  15 0.13 1.13
6.16%
0.01
0.00%
8.21
28.52%
3.96
13.75%
3.80
12.83%
1.63
5.51%
All 0.12 0.61
3.54%
0.16
0.91%
7.95
33.35%
3.72
15.61%
3.76
15.23%
1.28
5.16%