本文全文表格
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类别
Category小麦/像素
Wheat土壤/像素
Soil样本总数/像素
Total sample size用户精度/%
User accuracy小麦/像素 Wheat 20 779 3 20 782 99.99 土壤/像素 Soil 92 25 806 25 898 99.64 样本总数/像素 Total sample size 20 871 25 809 46 680 用户精度/% User accuracy 99.56 99.99 -
植被指数模型
Vegetation index model覆盖度 Vegetation coverage 提取误差/%
Extraction error像元二分法
Pixel dichotomy监督分类
Supervised classification差值
Difference valueVDVI 0.321 452 0.332 623 0.011 171 3.36 NGBDI 0.303 564 0.332 623 0.029 059 8.74 NGRDI 0.384 043 0.332 623 0.051 420 15.46 EXG 0.384 780 0.332 623 0.052 157 15.68 -
植被覆盖度
Vegetation coverage像元数
Pixel number百分比/%
Percentage0~0.10 1 960 500 8.15 0.10~0.30 12 265 775 51.01 0.30~0.45 4 166 478 17.33 0.45~0.60 2 460 841 10.23 0.60~1.00 3 192 675 13.28 总计 Total 24 046 269 100
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