遥感影像多尺度分割中最优尺度的选取及评价
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王芳,杨武年,王建,谢兵,任金铜
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Selection and Evaluation of the Optimal Scale in Multi-scale Segmentation of Remote Sensing Images
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Fang Wang,Wunian Yang,Jian Wang,Bin Xie,Jintong Ren
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表3 分割结果的GS值与面向对象分类结果精度评价
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Table 3 The object-oriented classification precision
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精度 | 土地利用类型 | ZY-3多光谱影像 | | GF-2影像 |
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SE-OS | U-E | O-S | SE-OS | U-E | O-S |
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制图精度/% | 建筑用地 | 90.14 | 87.32 | 88.38 | | 92.04 | 85.50 | 83.19 | 耕地 | / | / | / | | 90.90 | 82.83 | 75.76 | 林地 | / | / | / | | 96.90 | 84.54 | 93.81 | 绿地 | 99.98 | 99.75 | 99.24 | | 92.77 | 92.77 | 92.77 | 道路 | 87.74 | 67.92 | 65.10 | | 91.78 | 91.78 | 83.56 | 裸地 | 88.46 | 75.00 | 67.30 | | 85.71 | 85.71 | 85.71 | 水体 | 85.71 | 76.62 | 75.32 | | 93.55 | 93.55 | 93.55 | 用户精度/% | 建筑用地 | 92.09 | 81.58 | 82.30 | | 95.41 | 95.24 | 90.38 | 耕地 | / | / | / | | 95.74 | 83.67 | 94.94 | 林地 | / | / | / | | 92.16 | 89.13 | 85.05 | 绿地 | 90.41 | 86.84 | 82.91 | | 86.52 | 75.50 | 76.24 | 道路 | 86.92 | 85.71 | 81.18 | | 91.78 | 90.41 | 87.14 | 裸地 | 85.19 | 76.47 | 79.55 | | 85.71 | 99.96 | 85.71 | 水体 | 99.98 | 99.97 | 99.97 | | 99.97 | 99.97 | 99.97 | 总体精度/% | | 91.10 | 84.49 | 83.56 | | 92.75 | 88.04 | 86.08 | Kappa | | 0.877 | 0.782 | 0.768 | | 0.912 | 0.855 | 0.832 |
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