Huibin Lu, Yanfang Zhao, Yongjie Zhao, Shuhuan Wen, Jinrong Ma, Hak Keung Lam, Hongbin Wang. Image Defogging Based on Combination of Image Bright and Dark Channels[J]. Acta Optica Sinica, 2018, 38(11): 1115004
- Acta Optica Sinica
- Vol. 38, Issue 11, 1115004 (2018)
Fig. 1. Different light intensity in different regions
Fig. 2. Flow chart of image defogging algorithm
Fig. 3. (a) Foggy images; (b) dark channel images; (c) bright channel images
Fig. 4. Transmittance images and restored images. (a) Initial estimated transmittance images; (b) optimized transmittance images; (c) (d) recovered images from Fig. (a) and (b) respectively
Fig. 5. Foggy images and defogging results of different algorithm. (a) Foggy images; (b) multi-scale Retinex method; (c) method in Ref. [10]; (d) proposed method
Fig. 6. Foggy images and defogging results of different algorithm. (a) Foggy images; (b) multi-scale Retinex method; (c) method in Ref. [10]; (d) proposed method
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Table 1. Objective evaluation standards of different algorithms in Fig. 5
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Table 2. Objective evaluation standards of different algorithms in Fig. 6
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