Acta Optica Sinica, Volume. 39, Issue 5, 0533001(2019)
Dehazing Algorithm Based on Dark-Channel Image Centroid Offset
Figures & Tables(8)
Fig. 1. Restoration effects of dark-channel prior algorithm. (a) Hazy images; (b) dark-channel images; (c) results of dark-channel prior algorithm
Fig. 3. Comparison of transmission rate estimation results. (a) Hazy image; (b) transmission rate estimated by dark-channel prior algorithm; (c) transmission rate estimated by proposed algorithm
Fig. 4. Atmospheric light estimation. (a) Kim's algorithm; (b) proposed algorithm
Fig. 5. Dehazing effect comparison. (a) Hazy images; (b) results of dark-channel prior algorithm; (c) results of proposed algorithm
Fig. 6. Image dehazing comparison. (a) Hazy images; (b) dark-channel prior algorithm; (c) Kim's algorithm; (d) Bi's algorithm; (e) proposed algorithm
Table 1. dcorrel of each image in Fig. 6
View tableTable 1. dcorrel of each image in Fig. 6
Image He's result Kim's result Bi's result Our result Bridge 0.7093 0.6037 0.5743 0.7344 Building 0.6579 0.5879 0.7057 0.7344 Shore 0.5694 0.7104 0.6328 0.6604 Palace 0.5942 0.4292 0.8646 0.8751
Table 2. K of each image in Fig. 6
View tableTable 2. K of each image in Fig. 6
Image He's result Kim's result Bi's result Our result Bridge 1.6975 2.3930 1.9261 1.4075 Building 1.9491 1.4948 2.7350 1.3579 Shore 1.2662 1.8173 0.9474 0.5101 Palace 1.1083 0.2947 1.2356 0.2604
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Chang Su, Guoling Bi, Longxu Jin, Ting Nie, Huaidan Liang. Dehazing Algorithm Based on Dark-Channel Image Centroid Offset[J]. Acta Optica Sinica, 2019, 39(5): 0533001
Paper Information
Category: Vision, Color, and Visual Optics
Received: Nov. 26, 2018
Accepted: Jan. 2, 2019
Published Online: May. 10, 2019
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