无人机点云与图像跨模态混合融合的乔木林单木尺度树种分类研究

鄢敏,夏永华,王冲,孔夏丽,太浩宇,李晨

Study on Classification of Arbor Tree Species at Single Tree Scale based on Cross-modal Hybrid Fusion of UAV Point Cloud and Image

Min YAN,Yonghua XIA,Chong WANG,Xiali KONG,Haoyu TAI,Chen LI

表6 各分类算法性能对比

Table 6 Performance comparison of each classification algorithm

名称 数据类型 测试精度/% Kappa 用时/S SVM Point Cloud 78.04 0.722 2 0.012 RF Point Cloud 68.86 0.604 3 0.016 SVM Image 80.44 0.751 7 0.011 RF Image 75.05 0.683 0 0.013 SVM Concatenate 86.63 0.830 5 0.014 RF Concatenate 76.85 0.707 0 0.039 SVM LMF 91.15 0.888 1 0.005 RF LMF 89.02 0.861 4 0.103 XGBoost LMF 94.14 0.925 4 0.509 LightGBM LMF 95.44 0.942 0 0.212 Proposed Method Proposed 99.40 0.992 4 1.23