Detection of Surface Defects of Magnetic Tiles Based on Improved YOLOv5

Table 1

Distribution of each defect class in magnetic tile dataset after data augmentation.

Category	Blowhole	Break	Crack	Fray	Uneven	Free	Total
Number/total	345	255	171	96	309	2856	4032
Number/training	240	180	120	66	216	1998	2820
Number/testing	105	75	51	30	93	858	1212