Table 7.

Average values of five-classifying model evaluation indices.

Category	Model	No Defect	Hole		Crack	Foreign Matter
			7 mm	9 mm
Precision	CNN	99.60%	99.01%	99.83%	99.27%	99.00%
	SCN	98.89%	98.20%	99.02%	97.90%	95.62%
Recall	CNN	99.60%	99.83%	99.17%	99.00%	99.20%
	SCN	98.58%	100%	99.50%	97.32%	95.20%
F-score	CNN	0.9960	0.9942	0.9950	0.9914	0.9910
	SCN	0.9873	0.9909	0.9926	0.9758	0.9532