基于孤立森林的水体异常快速发现与识别

朱秀芳,李原,郭锐

Rapid Detection and Identification of Water Anomalies based on Isolated Forest

Xiufang ZHU,Yuan LI,Rui GUO

表3 精度验证

Table 3 Accuracy verification

案例	方法	PA	UA	OA	Kappa
青岛浒苔	SVM	0.94	0.99	0.97	0.95
	S-IForest	0.84	0.90	0.90	0.79
	U-IForest- IQR	0.76	0.95	0.88	0.75
	U-IForest- 1.5IQR	0.76	0.96	0.89	0.77
	U-IForest- SD	0.78	0.99	0.90	0.80
	U-IForest- 2SD	0.72	0.96	0.87	0.72
	UPCA-U-IForest-SD	0.80	0.96	0.90	0.80
松雅湖黑臭水	SVM	0.99	0.99	0.99	0.99
	S-IForest	0.99	0.85	0.94	0.87
	U-IForest- IQR	0.43	0.86	0.80	0.46
	U-IForest- 1.5IQR	0.04	0.45	0.67	0.02
	U-IForest- SD	0.97	0.97	0.96	0.90
	U-IForest- 2SD	0.08	0.55	0.68	0.07
	UPCA-U-IForest-SD	0.99	0.93	0.97	0.95
墨西哥湾溢油	SVM	0.91	0.99	0.98	0.94
	S-IForest	0.47	0.97	0.86	0.56
	U-IForest- IQR	0.34	0.86	0.77	0.38
	U-IForest- 1.5IQR	0.11	0.97	0.80	0.17
	U-IForest- SD	0.84	0.95	0.94	0.85
	U-IForest- 2SD	0.33	0.86	0.77	0.37
	UPCA-U-IForest-SD	0.80	0.76	0.88	0.70