鄱阳湖南矶湿地景观信息高分辨率遥感提取
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方朝阳, 邬浩, 陶长华, 高丹, 周华
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The Wetland Information Extraction Research of Nanji Wetland in Poyang Lake Based on High Resolution Remote Sensing Image
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FANG Chaoyang,WU Hao,TAO Zhanghua,GAO Dan,ZHOU Hua
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表4 基于单源遥感数据面向对象分类精度评价 |
Tab.4 Accuracy assessment results of the classification method based on the object-oriented classification of single-source data |
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实际地类 | 参考地类 | 总计 | 用户精度/(%) | | 河流 | | | | 湖泊 | 泥滩 | 草洲 | 茭白 | 鱼塘 | 耕地 | 建筑用地 | 林地 | 河流 | 223 | 4 | 41 | 1 | 2 | 0 | 0 | 0 | 0 | 271 | 82.29 | | 湖泊 | 6 | 248 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 260 | 95.38 | | 泥滩 | 3 | 1 | 265 | 0 | 2 | 3 | 1 | 3 | 0 | 278 | 95.32 | | 草洲 | 2 | 0 | 20 | 322 | 8 | 0 | 22 | 9 | 4 | 387 | 83.20 | | 茭白 | 1 | 0 | 0 | 2 | 320 | 0 | 0 | 1 | 0 | 324 | 98.77 | | 鱼塘 | 0 | 0 | 1 | 0 | 1 | 39 | 0 | 0 | 0 | 41 | 95.12 | | 耕地 | 1 | 0 | 0 | 2 | 0 | 0 | 37 | 7 | 0 | 47 | 78.72 | | 建筑用地 | 4 | 0 | 0 | 0 | 0 | 0 | 3 | 25 | 0 | 32 | 78.13 | | 林地 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 32 | 37 | 70 | 52.86 | | 总计 | 240 | 253 | 332 | 327 | 335 | 42 | 63 | 77 | 41 | 1710 | | | 生产精度/(%) | 92.92 | 98.02 | 79.82 | 98.47 | 95.52 | 92.86 | 58.73 | 32.47 | 90.24 | | | | 总体精度/(%) | | 88.6550 | kappa系数 | | 0.8649 |
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