基于多季相Sentinel-2影像的白洋淀湿地信息提取
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梁爽,宫兆宁,赵文吉,关鸿亮,梁亚囡,陆丽,赵雪
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Information Extraction of Baiyangdian Wetland based on Multi-season Sentinel-2 Images
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Shuang Liang,Zhaoning Gong,Wenji Zhao,Hongliang Guan,Yanan Liang,Li Lu,Xue Zhao
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表7 单一季相影像的分类精度
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Table 7 Classification accuracy of single seasonal image
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| 地物类型 | 春 | 夏 | 秋 | 冬 |
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| PA | UA | PA | UA | PA | UA | PA | UA |
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| 水体 | 79.2 | 81.3 | 97.8 | 98.9 | 94.0 | 95.1 | 72.7 | 70.6 | | 水田 | 73.0 | 64.1 | 78.5 | 76.9 | 71.7 | 64.9 | 61.5 | 58.5 | | 台地芦苇 | 87.1 | 82.8 | 96.2 | 94.2 | 86.6 | 77.1 | 91.1 | 70.8 | | 滩地芦苇 | 68.1 | 82.1 | 96.2 | 85.7 | 59.7 | 77.9 | 39.5 | 81.3 | | 浮水植物 | 64.6 | 56.8 | 84.4 | 89.0 | 77.9 | 72.7 | 69.9 | 50.3 | | 旱地 | 91.5 | 98.0 | 86.3 | 82.6 | 88.3 | 76.8 | 85.7 | 88.8 | | 林地 | 82.9 | 70.9 | 80.4 | 81.4 | 60.9 | 79.5 | 66.8 | 58.0 | | 裸地 | 72.8 | 60.2 | 85.9 | 78.1 | 52.2 | 43.7 | 43.9 | 38.6 | | 建筑用地 | 86.1 | 92.8 | 98.4 | 94.2 | 96.9 | 95.2 | 92.1 | 89.9 | | OA(%) | 75.1 | 83.4 | 73.9 | 65.5 | | Kappa | 0.7 | 0.79 | 0.71 | 0.58 |
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