随机森林协同Sentinel-1/2的东营市不透水层信息提取

刘春亭, 冯权泷, 金鼎坚, 史同广, 刘建涛, 朱明水

Application of random forest and Sentinel-1/2 in the information extraction of impervious layers in Dongying City

LIU Chunting, FENG Quanlong, JIN Dingjian, SHI Tongguang, LIU Jiantao, ZHU Mingshui

表5 分类精度统计

Tab.5 Statistics of classification accuracy

类别 方案A 方案B 方案C PA/% UA/% PA/% UA/% PA/% UA/% 亮不透水层 98.00 87.66 38.40 46.15 98.00 88.13 暗不透水层 93.20 92.09 47.20 39.80 95.00 94.81 有作物耕地 93.60 82.54 38.80 35.93 95.40 85.95 空闲耕地 90.40 91.50 39.60 42.86 93.40 92.84 大棚用地 96.40 96.79 18.00 24.59 95.60 97.55 林地 79.00 92.72 45.20 40.36 83.40 95.21 水域 98.20 95.90 64.40 58.02 98.20 95.71 滩涂 89.40 99.55 33.80 36.74 90.40 99.56 盐田 99.40 99.00 43.00 38.95 99.20 99.00 未利用地 74.50 80.11 8.50 13.18 75.50 82.07 总体精度/% 92.04 40.76 93.37 Kappa系数 0.911 0 0.335 8 0.925 8