Table 2 Image acquisition.
From: Defects detection of GMAW process based on convolutional neural network algorithm
Image library | Classification | Number of experiments | Number of images |
|---|---|---|---|
Penetration | Full penetration | 15 | 1650 |
Sag depression | 30 | 1850 | |
Burn through | 15 | 1400 | |
Pores | With pores | 25 | 1350 |
No pore | 15 | 1050 | |
Arc interference | Strong interference | 100 | 10,000 |
Weak interference | 10 | 5300 | |
Slags | With slags | 15 | 2250 |
Little slag | 25 | 1950 |