Table 6 Comparison with relevant research studies.
Our model | Paper by18 | Paper by19 | Paper by20 | |
|---|---|---|---|---|
Pre-trained model | – | VGG-16 | VGG-16 ResNet-18 | Xception |
Data type | Powder bed images | Powder bed images | Acoustic emissions signals | Powder bed images |
Image resolution | 200 micro-meter/pixel | 3.69 micro-meter/pixel | – | 6 micro-meter/pixel |
Data size | 10593 | 8904 | 8000 | 1356 |
Target defects | Porosity and surface deformation | Porosity | Balling, lack of fusion, keyholes, conduction mode | Balling, incomplete spreading, spatter, groove, ridge, scatter powder |
