Improved Dark Channel Defogging Algorithm for Defect Detection in Underwater Structures

Table 2

Image information.

Serial number	Image name
Image 1	Weakened underwater dam cracks caused by the turbid water
Image 2	Low-line underwater dam crack
Image 3	High-ambiguity underwater dam crack
Image 4	Soil-damaged underwater dam crack
Image 5	Broad beach bridge pile cap scouring
Image 6	Exposed aggregate of the pier