[Retracted] Railway Traffic Emergency Management Relying on Image Recognition Technology in the Context of Big Data

Table 5

Experimental results of ensemble model classification.

Method	Level	Accuracy	Recall rate	F1 value
RF	First-level fault classification	0.8549	0.8433	0.8429
	Secondary fault classification	0.7513	0.7648	0.7549
GBDT	First-level fault classification	0.8516	0.8347	0.8499
	Secondary fault classification	0.7613	0.7459	0.7594
Integrated model	First-level fault classification	0.9124	0.9345	0.9248
	Secondary fault classification	0.8549	0.8614	0.8536