Research on Coal Exploration Technology Based on Satellite Remote Sensing

Table 4

The accuracy of the five methods.

Method of ELM	Training time (s)	Average accuracy of training	Average accuracy of testing
Basic ELM	0.3050 s	97.6183%	92.9571%
Integrated ELM	3.4102 s	98.79%	95.5048%
XS-ELM	21.6991 s	96.9629%	96.5492%
SVM	0.7510 s	95.3745%	95.4571%
BP	5.8032 s	98.83%	94.29%