整合无人机和面向对象的农村居住环境信息提取
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郝睿,李兆富,张舒昱,潘剑君,姜小三,张文敏,宋金超
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Integrating UAV and Object-based Image Analysis for Rural Residential Environment Information Extraction
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Rui Hao,Zhaofu Li,Shuyu Zhang,Jianjun Pan,Xiaosan Jiang,Wenmin Zhang,Jinchao Song
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表4 多层次分类规则
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Table 4 Rules for classification at multi-hierarchies
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| 类别 | 层 | 规则 | 备注 |
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| 太阳能热水器 | 1 | Brightness>203, Solar_Buffer>0 | 除了在表 1中的 自定义特征，其余 皆为eCognition软 件内置特征，具体解 释可参照eCognition 用户指导[21] | | 道路 | 2 | Brightness>203,Mean R>204 | | 房屋 | 2 | HIS Transformation Hue≥0.79, HIS Transformation Saturation≥0.19, ExGR≦-0.24,NGRDI>0.22,NBGDI>0.03, EXG<-0.047, Area>8 000Pxl, Length/width(only main line)<12 | | 村庄绿化 | 2 | Ratio B≤0.16,Max.dff.>1.2,GLI>0.01 | | 村庄空地 | 2 | -0.047<ExG≤-0.01 Rel.border to unclassified>0 GLCM_Hom<0.23 | | 硬化地面 | 2 | -0.156<ExGR<-0.14, 180<GLCM_Mean<223 Brightness>189,Brightness≥180 | | 阴影 | 2 | Ratio R≤0.13, Mean diff. neighbors R(0)<-41 |
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