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Owing to refraction, absorption, and scattering of light by suspended particles in water, raw underwater images suffer from low contrast, blurred details, and color distortion. These characteristics can significantly interfere with the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 Yuan Zhou , Kangming Yan

Underwater image enhancement (UIE) is vital for high-level vision-related underwater tasks. Although learning-based UIE methods have made remarkable achievements in recent years, it's still challenging for them to consistently deal with…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Junjie Wen , Jinqiang Cui , Zhenjun Zhao , Ruixin Yan , Zhi Gao , Lihua Dou , Ben M. Chen

Underwater image enhancement, as a pre-processing step to improve the accuracy of the following object detection task, has drawn considerable attention in the field of underwater navigation and ocean exploration. However, most of the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Long Chen , Zheheng Jiang , Lei Tong , Zhihua Liu , Aite Zhao , Qianni Zhang , Junyu Dong , Huiyu Zhou

A main challenge faced in the deep learning-based Underwater Image Enhancement (UIE) is that the ground truth high-quality image is unavailable. Most of the existing methods first generate approximate reference maps and then train an…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Zhenqi Fu , Wu Wang , Yue Huang , Xinghao Ding , Kai-Kuang Ma

Note: The final version of this article was published in Computers and Geosciences, Volume 206, January 2026, 106038. DOI: 10.1016/j.cageo.2025.106038. Readers should refer to the published version for the most up-to-date content.…

Color polarization demosaicking (CPDM) aims to reconstruct full-resolution polarization images of four directions from the color-polarization filter array (CPFA) raw image. Due to the challenge of predicting numerous missing pixels and the…

Image and Video Processing · Electrical Eng. & Systems 2026-03-02 Chenggong Li , Yidong Luo , Junchao Zhang , Degui Yang

Diffusion models have achieved promising results in image restoration tasks, yet suffer from time-consuming, excessive computational resource consumption, and unstable restoration. To address these issues, we propose a robust and efficient…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Hai Jiang , Ao Luo , Songchen Han , Haoqiang Fan , Shuaicheng Liu

Underwater image enhancement (UIE) poses challenges due to distinctive properties of the underwater environment, including low contrast, high turbidity, visual blurriness, and color distortion. In recent years, the application of deep…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Wangzhen Peng , Chenghao Zhou , Runze Hu , Jingchao Cao , Yutao Liu

Underwater image enhancement (UIE) is a highly challenging task due to the complexity of underwater environment and the diversity of underwater image degradation. Due to the application of deep learning, current UIE methods have made…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Yi Liu , Qiuping Jiang , Xinyi Wang , Ting Luo , Jingchun Zhou

The conditional diffusion model (CDM) enhances the standard diffusion model by providing more control, improving the quality and relevance of the outputs, and making the model adaptable to a wider range of complex tasks. However, inaccurate…

Machine Learning · Computer Science 2024-08-07 Weifeng Xu , Xiang Zhu , Xiaoyong Li

Underwater images play a key role in ocean exploration, but often suffer from severe quality degradation due to light absorption and scattering in water medium. Although major breakthroughs have been made recently in the general area of…

Image and Video Processing · Electrical Eng. & Systems 2019-07-09 Yan Wang , Wei Song , Giancarlo Fortino , Lizhe Qi , Wenqiang Zhang , Antonio Liotta

Underwater images are subject to intricate and diverse degradation, inevitably affecting the effectiveness of underwater visual tasks. However, most approaches primarily operate in the raw pixel space of images, which limits the exploration…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Chen Zhao , Weiling Cai , Chenyu Dong , Chengwei Hu

Underwater image enhancement is such an important low-level vision task with many applications that numerous algorithms have been proposed in recent years. These algorithms developed upon various assumptions demonstrate successes from…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Risheng Liu , Xin Fan , Ming Zhu , Minjun Hou , Zhongxuan Luo

Images captured in challenging environments often experience various forms of degradation, including noise, color cast, blur, and light scattering. These effects significantly reduce image quality, hindering their applicability in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Abbas Anwar , Mohammad Shullar , Ali Arshad Nasir , Mudassir Masood , Saeed Anwar

The high computational cost and slow inference time are major obstacles to deploying Video Diffusion Models (VDMs). To overcome this, we introduce a new Video Diffusion Model Compression approach using individual content and motion dynamics…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Yiming Wu , Zhenghao Chen , Huan Wang , Dong Xu

Mitigating catastrophic forgetting is a key hurdle in continual learning. Deep Generative Replay (GR) provides techniques focused on generating samples from prior tasks to enhance the model's memory capabilities using generative AI models…

Machine Learning · Computer Science 2024-03-25 Khanh Doan , Quyen Tran , Tung Lam Tran , Tuan Nguyen , Dinh Phung , Trung Le

Image super-resolution is a fundamentally ill-posed problem because multiple valid high-resolution images exist for one low-resolution image. Super-resolution methods based on diffusion probabilistic models can deal with the ill-posed…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Yutao Yuan , Chun Yuan

Underwater optical images inevitably suffer from various degradation factors such as blurring, low contrast, and color distortion, which hinder the accuracy of object detection tasks. Due to the lack of paired underwater/clean images, most…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Bin Li , Li Li , Zhenwei Zhang , Yuping Duan

Due to the absorption and scattering effects of the water, underwater images tend to suffer from many severe problems, such as low contrast, grayed out colors and blurring content. To improve the visual quality of underwater images, we…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Hui Li , Xi Yang , ZhenMing Li , TianLun Zhang

Preserving topological structures is important in real-world applications, particularly in sensitive domains such as healthcare and medicine, where the correctness of human anatomy is critical. However, most existing image editing models…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Nivetha Jayakumar , Srivardhan Reddy Gadila , Tonmoy Hossain , Yangfeng Ji , Miaomiao Zhang