Table 5. Multi-scale gradient direction information entropy feature confusion matrix.
| Leaks | Mouse bites | Open circuits | Short circuits | Burrs | Residual copper | FP | |
|---|---|---|---|---|---|---|---|
| Leaks | 88 | 0 | 1 | 8 | 3 | 1 | 13 |
| Mouse bites | 0 | 75 | 9 | 12 | 1 | 0 | 22 |
| Open circuits | 0 | 11 | 72 | 7 | 3 | 1 | 22 |
| Short circuits | 0 | 1 | 2 | 68 | 4 | 0 | 7 |
| Burrs | 0 | 1 | 0 | 3 | 73 | 0 | 4 |
| Residual copper | 0 | 0 | 0 | 0 | 0 | 85 | 0 |
| FN | 0 | 13 | 12 | 30 | 11 | 2 | 68 |