Acta Photonica Sinica, Volume. 50, Issue 12, 1210003(2021)
Nighttime Dehazing Based on Mixed Filtering and Transmission Optimization
Figures & Tables(6)
Fig. 2. Comparison of ambient light estimation and dehazing by different methods
Table 1. Comparison index of nighttime dehazing effect
View tableView in ArticleTable 1. Comparison index of nighttime dehazing effect
Fig. QU Y et al［ 18 ］LI Y et al［ 23 ］ZHANG J et al［ 21 ］ZHANG J et al［ 22 ］Ours SSIM PSNR CIEDE SSIM PSNR CIEDE SSIM PSNR CIEDE SSIM PSNR CIEDE SSIM PSNR CIEDE N1 0.648 17.711 25.611 0.648 17.078 19.390 0.662 16.827 24.269 0.813 23.473 13.374 0.722 21.302 12.715 N2 0.825 20.013 25.349 0.785 22.409 20.535 0.604 16.792 24.755 0.853 24.581 19.095 0.875 23.336 9.879 N3 0.566 15.677 34.451 0.617 16.087 18.850 0.390 10.847 38.178 0.773 22.188 16.037 0.807 23.065 10.441 N4 0.651 19.691 32.548 0.835 20.538 24.970 0.509 12.383 31.265 0.802 17.728 19.609 0.862 27.378 8.717 N5 0.673 14.347 39.351 0.721 17.354 19.806 0.791 19.226 19.437 0.886 19.814 20.679 0.893 23.855 9.641 N6 0.782 21.569 18.590 0.505 15.928 38.064 0.464 12.897 34.054 0.856 22.522 16.096 0.850 26.994 6.379 N7 0.811 21.462 24.160 0.754 19.301 24.117 0.578 12.760 29.582 0.864 19.481 13.986 0.840 23.879 9.816 N8 0.718 19.716 25.487 0.789 20.211 15.214 0.557 14.504 29.129 0.919 24.864 13.196 0.937 28.517 5.432 N9 0.645 12.607 39.688 0.544 13.537 24.930 0.516 16.180 21.882 0.785 21.197 20.353 0.847 24.699 9.159 N10 0.714 16.437 29.113 0.624 14.883 21.399 0.488 12.455 32.707 0.812 22.313 15.336 0.770 20.74 14.063 AVG 0.703 17.923 29.435 0.682 17.733 22.727 0.556 14.487 28.526 0.836 21.816 16.776 0.840 24.382 9.624
Table 2. Algorithm speed comparison
View tableView in ArticleTable 2. Algorithm speed comparison
Sizes LI Y et al/s ZHANG J et al/s Ours/s Ours_fast/s 320×240 8.165 0.445 0.532 0.242 640×480 44.925 1.942 2.608 1.278 1 280×720 131.540 5.214 8.476 4.536
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Yin XIANG, Guangfeng CHEN, Xia LI. Nighttime Dehazing Based on Mixed Filtering and Transmission Optimization[J]. Acta Photonica Sinica, 2021, 50(12): 1210003
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Received: Jun. 3, 2021
Accepted: Sep. 4, 2021
Published Online: Jan. 25, 2022
The Author Email: CHEN Guangfeng (chengf@dhu.edu.cn)
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