Research Article
Visual Localization of an Internal Inspection Robot for the Oil-Immersed Transformer
Table 3
Comparison of the number of matching features before and after image enhancement.
| Number | Original image | Enhanced image | Increased (%) |
| Image 1 and Image 2 | 14 | 72 | 414 | Image 2 and Image 3 | 16 | 34 | 113 | Image 3 and Image 4 | 22 | 86 | 290 | Image 4 and Image 5 | 24 | 79 | 229 | Image 5 and Image 6 | 26 | 119 | 358 | Image 6 and Image 7 | 27 | 100 | 270 | Image 7 and Image 8 | 22 | 85 | 286 | Image 8 and Image 9 | 23 | 58 | 152 | Image 9 and Image 10 | 25 | 88 | 252 |
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