Research on Pattern Recognition Method of Blockage Signal in Pipeline Based on LMD Information Entropy and ELM

Table 3

Classification results of ELM, SVM, and BP.

Sequence	Running time/s			Classification accuracy
	BP	SVM	ELM	BP	SVM	ELM
1	1.7854	0.1590	0.0433	0.8542	0.8542	0.8750
2	1.9260	0.2243	0.0328	0.8542	0.8333	0.8958
3	1.9569	0.1365	0.0501	0.8333	0.8542	0.8750
4	1.8934	0.1733	0.0423	0.8750	0.8542	0.8750
5	1.9987	0.1764	0.0536	0.8750	0.8750	0.8750
6	2.0363	0.1197	0.0312	0.8542	0.8750	0.8958
7	2.0258	0.1611	0.0462	0.8125	0.8542	0.8750
8	1.7672	0.1461	0.0397	0.8333	0.8542	0.9167
9	1.8137	0.1713	0.0362	0.8333	0.8542	0.8958
10	1.8392	0.1265	0.0575	0.8542	0.8750	0.8958