ECT Image Recognition of Pipe Plugging Flow Patterns Based on Broad Learning System in Mining Filling

Table 1

The result of BLS.

Feature nodes	Enhancement nodes	Training accuracy (%)	Testing accuracy (%)	Training time (s)
200	2000	99.57	66.96	0.5787
200	4000	99.84	68.92	1.3383
200	6000	99.87	69.98	2.1988
200	8000	99.76	69.80	4.3135
200	10000	99.91	70.34	6.6591
200	12000	99.66	68.56	9.3596
500	10000	99.53	70.34	7.0168
2000	10000	99.85	67.14	14.5632
4000	10000	99.72	68.21	45.6702