Table 1.

Dataset: number of pieces and experiments per class.

Type of Defect	Number of Pieces	Number of Experiments	Size of Defect (mm)
Homogeneous	6	200	-
Passing through a hole in the X axis	4	85	∅ =10, X:70
Half-passing through a hole in the X axis	4	89	∅ =10, X:35
Passing through a hole in the Y axis	4	84	∅ =10, X:50
Half-passing through a hole in the Y axis	4	83	∅ =10, X:25
Passing through a crack in the XY plane	8	170	X = 20, Y = 50, Z = 5
Half-passing through a crack in the XY plane	8	160	X = 20, Y = 25, Z = 5
Passing through a crack in the ZY plane	8	187	X = 5, Y = 50, Z = 20
Half-passing through a crack in the ZY plane	8	160	X = 5, Y = 25, Z = 20
Passing through a crack in the ZX plane	8	185	X = 70, Y = 5, Z= 20
Half-passing through a crack in the ZX plane	8	182	X = 35, Y = 5, Z = 20
Multiple defects	6	296	Combinations of cracks and holes
Total	76	1881