Table 3.

Average values of four-classifying model evaluation indices.

Category	Model	No Defect	Hole	Crack	Foreign Matter
Precision	CNN	99.86%	99.77%	99.63%	99.80%
	SCN	99.13%	98.57%	98.10%	98.08%
Recall	CNN	99.53%	99.94%	99.81%	99.80%
	SCN	99.33%	99.61%	98.09%	95.90%
F-score	CNN	0.9969	0.9986	0.9972	0.9979
	SCN	0.9923	0.9908	0.9809	0.9696