Table 4.

A classification report of the proposed CNN model with SCA to demonstrate precision, recall, F1-score, and accuracy results. OK and NG indicate the non-defective and defective samples, respectively.

Class Category	Precision	Recall	F1-Score	Number of Images
OK	0.98	0.99	0.99	255
NG	0.98	0.97	0.98	150
Accuracy	0.98