基于特征优选和时空融合算法的黄河三角洲湿地类别制图方法研究

冯倩, 张佳华, 邓帆, 吴贞江, 赵恩灵, 郑培鑫, 韩杨

A mapping methodology for wetland categories of the Yellow River Delta based on optimal feature selection and spatio-temporal fusion algorithm

FENG Qian, ZHANG Jiahua, DENG Fan, WU Zhenjiang, ZHAO Enling, ZHENG Peixin, HAN Yang

表9 分类精度统计

Tab.9 The statistics of classification accuracy

类别 方案1 方案2 方案3 方案4 方案5 方案6 方案7 PA/% UA/% PA/% UA/% PA/% UA/% PA/% UA/% PA/% UA/% PA/% UA/% PA/% UA/% 浅海水域 95.94 97.35 99.15 96.41 98.31 94.13 99.54 98.35 99.36 97.13 97.50 96.86 99.12 94.88 泥质海滩 81.07 84.69 88.02 86.08 85.79 86.31 95.48 88.61 93.44 87.20 94.69 85.55 98.60 96.98 水库坑塘 80.85 70.03 75.16 81.01 79.07 80.73 83.16 88.91 75.16 85.68 77.06 90.21 83.67 90.33 河流 86.37 89.07 86.92 96.18 87.46 93.93 93.80 96.70 91.26 89.52 88.52 96.41 89.36 99.86 水田 91.89 89.52 93.30 89.51 94.28 85.79 94.84 90.83 90.03 94.42 90.87 92.17 96.86 90.02 农田 93.79 75.57 89.40 97.91 82.72 99.72 90.14 95.31 91.76 95.78 93.91 81.30 84.90 96.12 建筑用地 62.53 79.68 70.69 74.55 70.45 69.63 81.10 81.30 85.70 66.65 76.24 69.00 86.37 86.30 盐田 76.51 84.65 89.06 82.07 87.43 88.62 90.95 90.76 82.22 85.51 93.53 85.92 96.00 97.77 草本沼泽 54.71 73.11 84.28 57.51 74.05 59.39 74.83 77.93 66.87 70.95 83.54 72.93 87.74 86.33 灌木沼泽 64.30 81.72 70.51 82.77 63.36 86.17 70.76 89.77 74.43 84.23 53.84 83.50 71.49 70.85 总精度/% 85.11 89.05 87.39 91.90 90.01 88.89 92.28 Kappa系数 0.83 0.86 0.85 0.91 0.88 0.87 0.91