基于高分二号遥感影像的树种分类方法
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李哲,张沁雨,彭道黎
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Classification Method of Tree Species based on GF-2 Remote Sensing Images
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Zhe Li,Qinyu Zhang,Daoli Peng
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表 5 优选特征及重要性排名（SVM-RFE）
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Table 5 Feature and rank of importance（SVM-RFE）
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| 排名 | 特征参数 | 排名 | 特征参数 | 排名 | 特征参数 |
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| 1 | Ratio.1_R | 2 | Mean.4_R | 3 | SAVI.1 | | 4 | RVI.1 | 5 | NDVI.1 | 6 | Mean.4_N | | 7 | GLDV.Ang.2nd.moment.6_G | 8 | Mean.4_G | 9 | DVI.4 | | 10 | GLDV.Entropy.6_G | 11 | Ratio.3_R | 12 | GLCM.Dissimilarity.6_G | | 13 | GLDV.Mean.6_G | 14 | GLCM.Homogeneity.6_G | 15 | GLCM.Correlation.6_G | | 16 | GLDV.Contrast.6_G | 17 | GLCM.Contrast.6_G | 18 | RDVI.4 | | 19 | GLDV.Ang.2nd.moment.6_B | 20 | Mean.4_B | 21 | Ratio.5_R | | 22 | GLDV.Ang.2nd.moment.6_R | 23 | SAVI.3 | 24 | RVI.3 | | 25 | NDVI.3 | 26 | GLDV.Entropy.6_B | 27 | GLDV.Entropy.6_R | | 28 | GLCM.Dissimilarity.6_B | 29 | GLDV.Mean.6_B | 30 | GLCM.Homogeneity.6_N | | 31 | GLCM.Dissimilarity.6_R | 32 | GLDV.Mean.6_R | 33 | GLCM.Homogeneity.6_B | | 34 | GLCM.Correlation.6_B | 35 | Ratio.3_N | 36 | SAVI.5 | | 37 | RVI.5 | 38 | NDVI.5 | 39 | GLCM.Homogeneity.6_R | | 40 | GLDV.Ang.2nd.moment.6_N | 41 | GLCM.Correlation.6_R | 42 | GLCM.Contrast.6_B | | 43 | GLDV.Contrast.6_B | 44 | GNDVI.3 | 45 | GLCM.Contrast.6_R | | 46 | GLDV.Contrast.6_R | 47 | RDVI.3 | 48 | Ratio.5_N |
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