集成U-Net方法的无人机影像胡杨树冠提取和计数
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李越帅,郑宏伟,罗格平,杨辽,王伟胜,桂东伟
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Extraction and Counting of Populus Euphratica Crown Using UAV Images Integrated with U-Net Method
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Yueshuai Li,Hongwei Zheng,Geping Luo,Liao Yang,Weisheng Wang,Dongwei Gui
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表3 样地株数精度分析表
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Table 3 The extraction precision analysis of extracting tree number in sample area
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| 样方 | 实测 | 提取 | 正确提取 | 漏分 | 错分 | 精度 |
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| 编号 | 株数/株 | 株数/株 | 株数/株 | 株数/株 | 株数/株 | OA% | CE% | OE% | AR% | | 1 | 116 | 100 | 91 | 25 | 9 | 84.0 | 9.0 | 25.0 | 91.0 | | 2 | 64 | 70 | 62 | 2 | 8 | 91.4 | 11.4 | 2.86 | 88.6 | | 3 | 56 | 58 | 46 | 10 | 12 | 96.6 | 20.7 | 17.2 | 79.3 | | 4 | 81 | 83 | 71 | 10 | 12 | 97.6 | 14.5 | 12.0 | 85.5 | | 5 | 70 | 71 | 60 | 10 | 11 | 98.6 | 15.5 | 14.1 | 84.5 | | 6 | 64 | 74 | 58 | 6 | 16 | 86.5 | 21.6 | 8.1 | 78.4 | | 7 | 79 | 85 | 70 | 9 | 15 | 92.9 | 17.6 | 10.6 | 82.4 | | 8 | 43 | 46 | 37 | 6 | 9 | 93.5 | 19.6 | 13.0 | 80.4 | | 9 | 66 | 67 | 56 | 10 | 11 | 98.5 | 16.4 | 14.9 | 83.6 | | 10 | 80 | 75 | 70 | 10 | 5 | 93.3 | 6.7 | 13.3 | 93.3 | | 平均值 | 71.9 | 72.9 | 62.1 | 9.7 | 10.6 | 93.29 | 15.25 | 13.13 | 84.75 | | 总体 | 719 | 729 | 621 | 98 | 108 | 98.63 | 14.81 | 13.44 | 85.19 |
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