Research Article
Improved Dark Channel Defogging Algorithm for Defect Detection in Underwater Structures
Table 3
Mean value for the six groups of effect diagrams.
| | | Image 1 | Image 2 | Image 3 | Image 4 | Image 5 | Image 6 |
| | Original image | 175.91 | 94.78 | 122.20 | 133.43 | 203.37 | 182.33 | | D image (He) | 135.62 | 92.35 | 112.27 | 116.60 | 192.94 | 156.94 | | Tarel image | 90.82 | 58.53 | 30.45 | 110.44 | 149.07 | 155.18 | | Joost image | 132.48 | 176.24 | 92.50 | 122.19 | 202.30 | 181.36 | | DR image | 235.86 | 233.55 | 245.40 | 230.47 | 228.09 | 214.84 |
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