Research Article
Improved Dark Channel Defogging Algorithm for Defect Detection in Underwater Structures
Table 6
Comparison of execution time of the proposed technique with existing techniques.
| | Image 1 | Image 2 | Image 3 | Image 4 | Image 5 | Image 6 | Average |
| Image size | 299 × 346 | 229 × 349 | 234 × 348 | 324 × 488 | 376 × 576 | 423 × 565 | | D algorithm | 2.4524 | 2.456 | 2.6764 | 2.7315 | 2.3645 | 2.6700 | 2.5585 | Tarel algorithm | 4.2301 | 5.0828 | 4.8816 | 8.396 | 12.4847 | 29.0125 | 10.6813 | Joost algorithm | 3.5408 | 4.0278 | 3.5974 | 3.6083 | 3.5097 | 4.4204 | 3.7841 | DR algorithm | 3.7976 | 3.0587 | 3.5609 | 3.5087 | 4.1620 | 4.5867 | 3.7791 |
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