集成U-Net方法的无人机影像胡杨树冠提取和计数

李越帅,郑宏伟,罗格平,杨辽,王伟胜,桂东伟

Extraction and Counting of Populus Euphratica Crown Using UAV Images Integrated with U-Net Method

Yueshuai Li,Hongwei Zheng,Geping Luo,Liao Yang,Weisheng Wang,Dongwei Gui

表1 不同方法树冠分割精度评价

Table 1 The quantitative evaluation of tree crown segmentation using different methods

测试区域	总体精度/%			召回率/%			IoU/%			Kappa
测试区域	Obiect	SVM	U-Net	OO	SVM	U-Net	Obiect	SVM	U-Net	Obiect	SVM	U-Net
区域1	85.4	90.0	94.8	77.4	88.8	86.4	55.1	67.3	79.5	0.61	0.74	0.85
区域2	88.0	91.4	95.6	70.6	77.2	92.1	60.5	70.2	84.6	0.68	0.77	0.89
区域3	88.2	89.7	93.4	68.8	93.1	88.3	64.3	73.6	80.4	0.70	0.77	0.84
区域4	86.7	91.4	92.6	67.4	81.1	92.3	57.5	71.5	76.9	0.64	0.78	0.82
均值	87.1	90.6	94.1	71.0	85.0	89.8	59.3	70.6	80.4	0.66	0.76	0.85