基于客观阈值与随机森林Gini指标的水体遥感指数对比
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王一帆,徐涵秋
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Comparison of Remote Sensing Water Indices based on Objective Threshold Value and the Random Forest Gini Coefficient
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Yifan Wang,Hanqiu Xu
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表3 各实验区不同指数影像的统计信息
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Table 3 Statistics of the three index images in each test area
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实验区 | 水体指数 | 数据 | 最小值 | 最大值 | 均值 | 标准差 | 变异系数 |
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福州 | AWEI | L8 | -2.033 | 0.253 | -0.364 | 0.200 | 0.549 | S2A | -1.381 | 0.943 | -0.289 | 0.229 | 0.792 | MNDWI | L8 | -0.801 | 1.000 | -0.355 | 0.282 | 0.794 | S2A | -0.824 | 0.863 | -0.239 | 0.293 | 1.230 | WI2015 | L8 | -119.572 | 16.385 | -15.951 | 9.291 | 0.582 | S2A | -89.886 | 60.196 | -13.331 | 10.659 | 0.800 | 弗伦奇岛 | AWEI | L8 | -2.223 | 0.179 | -0.360 | 0.690 | 1.917 | S2A | -2.306 | 0.339 | -0.386 | 0.770 | 1.995 | MNDWI | L8 | -0.713 | 0.843 | 0.247 | 0.656 | 2.656 | S2A | -0.910 | 0.961 | 0.316 | 0.679 | 2.149 | WI2015 | L8 | -42.326 | 9.818 | -4.845 | 16.396 | 3.384 | S2A | -40.313 | 14.522 | -4.299 | 17.384 | 4.044 | 尼玛县 | AWEI | | -1.216 | 1.121 | -0.408 | 0.293 | 0.718 | MNDWI | L8 | -0.984 | 1.000 | -0.231 | 0.450 | 1.948 | WI2015 | | -68.517 | 62.246 | -20.574 | 15.89 | 0.772 |
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