基于不同空间分辨率无人机多光谱遥感影像的小麦倒伏区域识别方法

魏永康, 杨天聪, 丁信尧, 高越之, 袁鑫茹, 贺利, 王永华, 段剑钊, 冯伟

Wheat Lodging Area Recognition Method Based on Different Resolution UAV Multispectral Remote Sensing Images

WEI Yongkang, YANG Tiancong, DING Xinyao, GAO Yuezhi, YUAN Xinru, HE Li, WANG Yonghua, DUAN Jianzhao, FENG Wei

表5 基于RF-RFE算法的小麦倒伏分类精度

Table 5 Lodging classification accuracy result of wheat based on RF-RFE algorithm

分辨率/cm 特征数量 SVM RF KNN OA/% Kappa OA/% Kappa OA/% Kappa 1.05 11 92.0 0.854 85.9 0.741 82.8 0.681 2.09 6 91.3 0.839 86.0 0.745 80.5 0.644 3.26 6 90.3 0.839 84.3 0.728 78.9 0.616