高分二号影像树种识别及龄组划分
傅锋, 王新杰, 汪锦, 王娜, 佟济宏

Tree species and age groups classification based on GF-2 image
Feng FU, Xinjie WANG, Jin WANG, Na WANG, Jihong TONG
表3 不同分类方案下属性筛选及参数优化
Tab.3 Attributes screening and parameter optimization under classification schemes
分类方案 最优属性子集包含的属性① 最优属性数/
属性总数		 随机森林参数优化
K I
1 mean_NDVI; mean_NIR; SD_NDVI; SD_Blue; skewness_Green; HOM_0_NIR; COR_45_NIR; COR_45_Green; DIS_135_Green; mean_Aspect 10/168 5 1 200
2 mean_NDVI; mean_NIR; SD_NDVI; SD_Blue; skewness_Green; HOM_0_NIR; COR_45_NIR; COR_45_Green; DIS_135_Green 9/153 4 100
3 mean_NDVI; mean_NIR; SD_NDVI; SD_Blue; skewness_Blue; CON_All_Red; CON_All_Blue; DIS_All_NIR; DIS_All_Blue; COR_All_NIR; COR_All_Red 11/57 3 1 100
4 mean_NDVI; mean_NIR; SD_NDVI; SD_Blue; skewness_Green; skewness_Blue; mean_Aspect; SD_DEM 8/40 3 1 600
5 MIN_Green; mean_NDVI; mean_NIR; SD_NDVI; SD_Blue; skewness_Green; skewness_Blue 7/25 3 3 000
6 HOM_0_NIR; COR_45_NIR; COR_45_Green; DIS_135_Green; COR_135_Red; COR_135_NIR; COR_135_Blue 7/128 3 3 000
7 CON_All_Red; CON_All_Blue; DIS_All_NIR; DIS_All_Green; DIS_All_Blue; COR_All_NIR; COR_All_Red 7/32 3 100