Table 2.
Characteristic rules of inspection targets.
| Class Name | Inspection Target | Feature Description | Density | Contour Feature | |
|---|---|---|---|---|---|
| Fitting (F) | Damper | F1 | Artificial facility Attached to the power line |
Dense | “T” shape |
| Spacer | F2 | Artificial facility Attached to the power line |
Dense | “X” shape | |
| Line (L) | Broken strand | L1 | Attached to the power line | Dense | Curve shape |
| Environment (E) | Tree crown | E1 | Under the power line Large size |
Dense | Sphere shape |
| Overrun building | E2 | Under the power line Large size |
Dense | Planar shape | |
| Attachment | E3 | Attached to the power line Small size |
Dense | Irregular shape | |