随机森林算法在机载LiDAR数据林分平均树高 估算中的应用研究

鲁林, 周小成, 余治忠, 韩尚, 汪小钦

Plot-level Forest Height Inversion Using Airborne LiDAR Data Based on the Random Forest

LU Lin,ZHOU Xiaocheng,YU Zhizhong,HAN Shang,WANG Xiaoqin

表2 检验样地的树高反演结果与实测对比

Tab.2 The inversion results of forest height compared with the ground measured results for the control plots

样地编号 实测平均树高/m 估测平均树高/m 树高差值/m 精度/(%) 30 9.37 8.51 -0.86 90.82 31 7.11 7.06 -0.05 99.29 32 15.54 15.16 -0.38 97.55 33 8.07 7.58 -0.49 93.92 34 14.94 15.57 0.63 95.78 35 6.26 7.09 0.83 86.74 36 10.74 11.77 1.03 90.41 37 9.57 11.12 1.55 83.80 38 8.73 8.28 -0.45 94.84 39 7.57 7.48 -0.09 98.81 40 14.52 13.50 -1.02 92.97