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Unsupervised Multi-Expert Learning Model for Underwater Image Enhancement | |
Hongmin Liu; Qi Zhang; Yufan Hu; Hui Zeng; Bin Fan![]() | |
发表期刊 | IEEE/CAA Journal of Automatica Sinica
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ISSN | 2329-9266 |
2024 | |
卷号 | 11期号:3页码:708-722 |
摘要 | Underwater image enhancement aims to restore a clean appearance and thus improves the quality of underwater degraded images. Current methods feed the whole image directly into the model for enhancement. However, they ignored that the R, G and B channels of underwater degraded images present varied degrees of degradation, due to the selective absorption for the light. To address this issue, we propose an unsupervised multi-expert learning model by considering the enhancement of each color channel. Specifically, an unsupervised architecture based on generative adversarial network is employed to alleviate the need for paired underwater images. Based on this, we design a generator, including a multi-expert encoder, a feature fusion module and a feature fusion-guided decoder, to generate the clear underwater image. Accordingly, a multi-expert discriminator is proposed to verify the authenticity of the R, G and B channels, respectively. In addition, content perceptual loss and edge loss are introduced into the loss function to further improve the content and details of the enhanced images. Extensive experiments on public datasets demonstrate that our method achieves more pleasing results in vision quality. Various metrics (PSNR, SSIM, UIQM and UCIQE) evaluated on our enhanced images have been improved obviously. |
关键词 | Multi-expert learning underwater image enhancement unsupervised learning |
DOI | 10.1109/JAS.2023.123771 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/54602 |
专题 | 学术期刊_IEEE/CAA Journal of Automatica Sinica |
推荐引用方式 GB/T 7714 | Hongmin Liu,Qi Zhang,Yufan Hu,et al. Unsupervised Multi-Expert Learning Model for Underwater Image Enhancement[J]. IEEE/CAA Journal of Automatica Sinica,2024,11(3):708-722. |
APA | Hongmin Liu,Qi Zhang,Yufan Hu,Hui Zeng,&Bin Fan.(2024).Unsupervised Multi-Expert Learning Model for Underwater Image Enhancement.IEEE/CAA Journal of Automatica Sinica,11(3),708-722. |
MLA | Hongmin Liu,et al."Unsupervised Multi-Expert Learning Model for Underwater Image Enhancement".IEEE/CAA Journal of Automatica Sinica 11.3(2024):708-722. |
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