基于多季相Sentinel-2影像的白洋淀湿地信息提取
|
|
梁爽,宫兆宁,赵文吉,关鸿亮,梁亚囡,陆丽,赵雪
|
Information Extraction of Baiyangdian Wetland based on Multi-season Sentinel-2 Images
|
|
Shuang Liang,Zhaoning Gong,Wenji Zhao,Hongliang Guan,Yanan Liang,Li Lu,Xue Zhao
|
|
表9 三季节及以上季相特征组合不同地物的分类精度
|
Table 9 Classification accuracy of three and four seasonal images
|
|
| 地物类型 | 春、夏、秋 | 春、夏、冬 | 夏、秋、冬 | 春、秋、冬 | 春、夏、秋、冬 |
|---|
| PA | UA | PA | UA | PA | UA | PA | UA | PA | UA |
|---|
| 水体 | 97.0 | 98.7 | 97.7 | 98.3 | 97.9 | 98.1 | 97.9 | 99.2 | 97.7 | 97.8 | | 水田 | 92.6 | 86.9 | 92.4 | 96.0 | 92.4 | 96.0 | 94.3 | 95.2 | 89.1 | 96.0 | | 台地芦苇 | 95.2 | 92.4 | 95.2 | 87.5 | 95.2 | 87.5 | 95.0 | 91.0 | 95.2 | 91.2 | | 滩地芦苇 | 90.5 | 84.5 | 78.1 | 86.5 | 78.1 | 88.5 | 82.4 | 84.5 | 86.9 | 92.9 | | 浮水植物 | 91.8 | 94.8 | 91.4 | 95.4 | 91.4 | 95.4 | 91.7 | 94.6 | 92.5 | 95.1 | | 旱地 | 88.1 | 95.8 | 93.0 | 95.9 | 93.0 | 95.9 | 91.7 | 93.9 | 90.5 | 95.2 | | 林地 | 92.9 | 86.3 | 93.1 | 84.3 | 93.1 | 84.3 | 88.3 | 93.9 | 91.2 | 80.6 | | 裸地 | 73.7 | 66.1 | 66.5 | 68.7 | 92.3 | 81.9 | 83.4 | 86.5 | 81.2 | 84.4 | | 建筑用地 | 95.7 | 96.0 | 94.7 | 95.9 | 94.7 | 95.9 | 95.7 | 95.7 | 95.5 | 95.7 | | OA(%) | 89.9 | 91.4 | 88 | 86.4 | 90.9 | | Kappa | 0.86 | 0.87 | 0.82 | 0.79 | 0.86 |
|
|
|