Chendong Cai, Guanying Huo, Yan Zhou, Hui Han. Underwater Image Restoration Method Based on Scene Depth Estimation and White Balance[J]. Laser & Optoelectronics Progress, 2019, 56(3): 031008
- Laser & Optoelectronics Progress
- Vol. 56, Issue 3, 031008 (2019)
Fig. 1. Calculation of scene depth. (a) Sobel edge; (b) close operation; (c) initial scene depth estimation; (d) regress analysis; (e) scene depth estimation
Fig. 2. Comparisons of transmission maps. (a) Original image; (b) RGB histograms; (c) dark channel prior method; (d) proposed method
Fig. 3. Overall flowchart of proposed method
Fig. 4. Comparison of restoration results of various underwater environment. (a) Original images; (b) method from Ref. [3]; (c) method from Ref. [15]; (d) method from Ref. [8]; (e) method from Ref. [9]; (f) proposed method
Fig. 5. Failure cases of proposed method. (a) Original images; (c) scene depth estimation; (c) transmission map
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Table 1. Comparisons of average value of objective quality evaluation metrics
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