基于背包激光扫描点云强度的胸径提取方法研究
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黄志鑫,邢涛,邢艳秋
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Study on Extraction Method of DBH based on Intensity of Backpack Laser Scanning Point Cloud
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Zhixin Huang,Tao Xing,Yanqiu Xing
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表3 不同切片厚度胸径提取结果
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Table 3 Extract results of DBH of different slice thickness
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切片/m | 点云类别 | 样地1 | 样地2 | 样地3 |
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RMSE/cm | MAE/cm | 相对精度/% | RMSE/cm | MAE/cm | 相对精度 /% | RMSE/cm | MAE/cm | 相对精度 /% |
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0.2 | 完整点云 | 1.36 | 1.22 | 91.29 | 1.30 | 1.12 | 91.79 | 2.73 | 2.45 | 91.31 | [5,10]点云 | 0.53 | 0.49 | 96.61 | 0.99 | 0.78 | 93.75 | 1.42 | 1.08 | 95.47 | 0.4 | 完整点云 | 1.34 | 1.20 | 91.41 | 1.19 | 1.02 | 92.49 | 2.70 | 2.41 | 91.41 | [5,10]点云 | 0.52 | 0.43 | 96.68 | 0.91 | 0.72 | 94.23 | 1.25 | 1.02 | 96.02 | 0.6 | 完整点云 | 1.33 | 1.19 | 91.46 | 1.12 | 0.97 | 92.92 | 2.69 | 2.38 | 91.43 | [5,10]点云 | 0.46 | 0.37 | 97.03 | 0.83 | 0.66 | 94.73 | 1.03 | 0.81 | 96.73 |
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