基于高分辨率与高光谱遥感影像的北亚热带马尾松及次生落叶树种的分类

申鑫, 曹林, 徐婷, 佘光辉

Classification of Pinus massoniana and secondary deciduous tree species in northern subtropical region based on high resolution and hyperspectral remotely sensed data

SHEN Xin,CAO Lin,XU Ting,SHE Guang-Hui

表3 四树种分类混淆矩阵

Table 3 The confusion matrix of four species classification

马尾松 Pinus massoniana 麻栎 Quercus acutissima 枫香树 Liquidambar formosana 板栗 Castanea mollissima 全部特征变量 All metrics (n = 47) 马尾松 Pinus massoniana 61.2 19.0 15.5 4.3 麻栎 Quercus acutissima 15.0 65.8 7.5 11.7 枫香树 Liquidambar formosana 10.0 16.7 60.0 13.3 板栗 Castanea mollissima 13.9 5.6 5.6 75.0 总体精度 Over accuracy: 64.6% Kappa系数 Kappa coefficient: 0.493 重要特征变量 The most important metrics (n = 12) 马尾松 Pinus massoniana 58.6 25.9 11.2 4.3 麻栎 Quercus acutissima 21.7 65.8 3.3 9.2 枫香树 Liquidambar formosana 13.3 19.0 51.0 16.7 板栗 Castanea mollissima 8.3 8.6 5.3 77.8 总体精度 Over accuracy: 62.9% Kappa系数 Kappa coefficient: 0.459