基于多元GMM的机载多光谱LiDAR点云空谱联合分类

王丽英, 马旭伟, 有泽, 王世超, CAMARA Mahamadou

Spatial-spectral joint classification of airborne multispectral LiDAR point clouds based on the multivariate GMM

WANG Liying, MA Xuwei, YOU Ze, WANG Shichao, CAMARA Mahamadou

表1 不同特征组合下的分割精度对比

Tab.1 Comparison of segmentation accuracy under different feature combinations

序号 特征组合 总体精度/% Kappa系数 ① IC1 + z 64.13 0.491 ② IC2 + z 88.08 0.838 ③ IC3 + z 65.45 0.509 ④ I C 1+ IC2 + z 88.72 0.846 ⑤ IC2 + IC3 +z 91.53 0.885 ⑥ IC3 + IC1 +z 65.88 0.515 ⑦ I C 1+ IC2 + IC3 + z 91.36 0.882 ⑧ IC1 + IC2 + IC3 80.81 0.735