Acta Optica Sinica, Volume. 37, Issue 12, 1211003(2017)
Underwater Image Enhancement Based on Improved Dark Channel Prior and Color Correction
Figures & Tables(14)
![Comparison in underwater dark channel prior. (a) Underwater image; (b) traditional dark channel; (c) dark channel of Ref. [9]; (d) dark channel of our method](/Images/icon/loading.gif){kind=icon}
Fig. 2. Comparison in underwater dark channel prior. (a) Underwater image; (b) traditional dark channel; (c) dark channel of Ref. [9]; (d) dark channel of our method
Fig. 3. Refined transmission. (a) Transmission of R channel; (b) transmission after guided filtering
Fig. 5. First set of image processing results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Fig. 6. Second set of image processing results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Fig. 7. Third set of image processing results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Fig. 8. Fourth set of image processing results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Fig. 9. First set of edge detection results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Fig. 10. Second set of edge detection results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Fig. 11. Third set of edge detection results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Fig. 12. Fourth set of edge detection results. (a) Original image; (b) result using the method of Ref. [9]; (c) result using the method of Ref. [4]; (d) result using our method
Table 1. Clarity compared on four images
View tableTable 1. Clarity compared on four images
Image Clarity Original image Method of Ref. [9] Method of Ref. [4] Our method First set of image 50.629 59.963 85.787 77.560 Second set of image 15.924 21.358 21.990 24.595 Third set of image 8.726 11.805 12.222 12.736 Fourth set of image 10.352 10.523 7.737 22.744
Table 2. Contrast compared on four images
View tableTable 2. Contrast compared on four images
Image Contrast Original image Method of Ref. [9] Method of Ref. [4] Our method First set of image 21.509 23.506 34.480 23.588 Second set of image 14.679 19.925 16.251 22.628 Third set of image 11.640 17.022 14.541 18.230 Fourth set of image 21.631 26.826 10.867 44.062
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Li Li, Huigang Wang, Xing Liu. Underwater Image Enhancement Based on Improved Dark Channel Prior and Color Correction[J]. Acta Optica Sinica, 2017, 37(12): 1211003
Paper Information
Category: Imaging Systems
Received: Jun. 13, 2017
Accepted: --
Published Online: Sep. 6, 2018
The Author Email: Li Li (ll1000220603@126.com)
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