Haofeng Hu, Jiaqi Li, Xiaobo Li, Tiegen Liu. Underwater Polarization Difference Imaging with Three Degrees of Freedom[J]. Acta Optica Sinica, 2021, 41(3): 0329001
- Acta Optica Sinica
- Vol. 41, Issue 3, 0329001 (2021)
Fig. 1. Experimental setup of three-degree of freedom polarization difference underwater imaging
Fig. 2. EME values vary with the angle of polarization at different values of k. (a) k=0.284; (b) k=1
Fig. 3. Polarization difference images processed at different values of k. (a) k=0.284; (b) k=0.5; (c) k=0.75; (d) k=1
Fig. 4. Images processed by different methods. (a) Raw image; (b) image processed by our method; (c) image processed by intensity difference method; (d) image processed by Zhu's method
Fig. 5. Intensity distribution at the scribe line
Fig. 6. Raw images and images processed by different methods with different turbidity. (a) Images with low turbidity; (b) images with high turbidity
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Table 1. Comparative analysis of different methods based on quantitative criterions
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