Table 3.

Comparison of experimental results of different methods.

Method	Ref. [13]	Ref. [16]	Ref. [17]	Proposed method
Recall	0.758	0.791	0.829	0.854
Precision	0.725	0.763	0.786	0.801
F1	0.698	0.760	0.805	0.836
Accuracy	0.894	0.939	0.961	0.982
Testing time/s	7.6	11.7	12.5	8.9