Guoming YUAN, Guang YANG, Jinfeng WANG, Haijun LIU, Wei WANG. Coarse-to-fine underwater image enhancement based on multi-level wavelet transform[J]. Optics and Precision Engineering, 2022, 30(22): 2939
- Optics and Precision Engineering
- Vol. 30, Issue 22, 2939 (2022)
Fig. 1. Architecture of coarse-to-fine network for underwater image enhancement based on multi-level wavelet transform
Fig. 2. Comparison between initial images and enhanced images
Fig. 3. High frequency image obtained by wavelet transform at different levels
Fig. 4. Architecture of RK2 block
Fig. 5. Loss curves during training.
Fig. 6. Average PSNR of testing data during training.
Fig. 7. Testing samples
Fig. 8. Comparison of enhanced results on synthetic underwater images
Fig. 9. Comparison of enhanced results on real underwater images
Fig. 10. PSNR of different algorithms on Test1 and Test2.
|
Table 1. Comparison of quantitative results by variant models with different number of building modules on Test 1.
|
Table 2. Comparison of quantitative results by different variant models on Test1.
|
Table 3. Quantitative comparison of enhanced results by different algorithms on Test1.
|
Table 4. Quantitative comparison of enhanced results by different algorithms on Test2.
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20