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Related papers: AquaDiff: Diffusion-Based Underwater Image Enhance…

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In recent times, diffusion models have achieved remarkable performance in image restoration tasks. Their core mechanism relies on the restricted presumption of degradation prior to the additive noise operation. However, the blur model, one…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Sasidhar Parvathireddy , Vamsidhar Saraswathula , Rama Krishna Gorthi

Underwater Image Enhancement (UIE) aims to improve the visual quality from a low-quality input. Unlike other image enhancement tasks, underwater images suffer from the unavailability of real reference images. Although existing works exploit…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Shuaixin Liu , Kunqian Li , Yilin Ding , Qi Qi

The underwater images usually suffers from non-uniform lighting, low contrast, blur and diminished colors. In this paper, we proposed an image based preprocessing technique to enhance the quality of the underwater images. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2012-12-04 C. J. Prabhakar , P. U. Praveen Kumar

In general, underwater images suffer from color distortion and low contrast, because light is attenuated and backscattered as it propagates through water (differently depending on wavelength and on the properties of the water body). An…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Tanmoy Mondal , Ricardo Mendoza , Lucas Drumetz

Underwater image suffer from color cast, low contrast and hazy effect due to light absorption, refraction and scattering, which degraded the high-level application, e.g, object detection and object tracking. Recent learning-based methods…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Yu-Wei Chen , Soo-Chang Pei

Adverse Weather Image Restoration (AWIR) is a highly challenging task due to the unpredictable and dynamic nature of weather-related degradations. Traditional task-specific methods often fail to generalize to unseen or complex degradation…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Wenxuan Fang , Jili Fan , Chao Wang , Xiantao Hu , Jiangwei Weng , Ying Tai , Jian Yang , Jun Li

Underwater images often have severe quality degradation and distortion due to light absorption and scattering in the water medium. A hazed image formation model is widely used to restore the image quality. It depends on two optical…

Image and Video Processing · Electrical Eng. & Systems 2019-06-21 Wei Song , Yan Wang , Dongmei Huang , Antonio Liotta , Cristian Perra

Recent data-driven image colorization methods have enabled automatic or reference-based colorization, while still suffering from unsatisfactory and inaccurate object-level color control. To address these issues, we propose a new method…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Jianxin Lin , Peng Xiao , Yijun Wang , Rongju Zhang , Xiangxiang Zeng

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 images suffer from severe degradations, including color distortions, reduced visibility, and loss of structural details due to wavelength-dependent attenuation and scattering. Existing enhancement methods primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK

Underwater robots play an important role in oceanic geological exploration, resource exploitation, ecological research, and other fields. However, the visual perception of underwater robots is affected by various environmental factors. The…

Image and Video Processing · Electrical Eng. & Systems 2021-01-08 Xuelei Chen , Pin Zhang , Lingwei Quan , Chao Yi , Cunyue Lu

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

Deep MRI reconstruction is commonly performed with conditional models that de-alias undersampled acquisitions to recover images consistent with fully-sampled data. Since conditional models are trained with knowledge of the imaging operator,…

Image and Video Processing · Electrical Eng. & Systems 2023-09-19 Alper Güngör , Salman UH Dar , Şaban Öztürk , Yilmaz Korkmaz , Gokberk Elmas , Muzaffer Özbey , Tolga Çukur

Underwater images are usually covered with a blue-greenish colour cast, making them distorted, blurry or low in contrast. This phenomenon occurs due to the light attenuation given by the scattering and absorption in the water column. In…

Image and Video Processing · Electrical Eng. & Systems 2022-11-21 Salma Gonzalez-Sabbagh , Antonio Robles-Kelly , Shang Gao

Removing degradation from document images not only improves their visual quality and readability, but also enhances the performance of numerous automated document analysis and recognition tasks. However, existing regression-based methods…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Zongyuan Yang , Baolin Liu , Yongping Xiong , Lan Yi , Guibin Wu , Xiaojun Tang , Ziqi Liu , Junjie Zhou , Xing Zhang

In this work, we propose a novel framework to enable diffusion models to adapt their generation quality based on real-time network bandwidth constraints. Traditional diffusion models produce high-fidelity images by performing a fixed number…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Xi Zhang , Hanwei Zhu , Yan Zhong , Jiamang Wang , Weisi Lin

Diffusion and flow-based generative models have shown strong potential for image restoration. However, image denoising under unknown and varying noise conditions remains challenging, because the learned vector fields may become inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Jigang Duan , Genwei Ma , Xu Jiang , Wenfeng Xu , Ping Yang , Xing Zhao

Underwater images often suffer from quality degradation due to absorption and scattering effects. Most existing underwater image enhancement algorithms produce a single, fixed-color image, limiting user flexibility and application. To…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Xiaofeng Cong , Jing Zhang , Yeying Jin , Junming Hou , Yu Zhao , Jie Gui , James Tin-Yau Kwok , Yuan Yan Tang

Monocular depth estimation has experienced significant progress on terrestrial images in recent years, largely due to deep learning advancements. However, it remains inadequate for underwater scenes, primarily because of data scarcity.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Fan Zhang , Shaodi You , Yu Li , Ying Fu

Recent advancements in image motion deblurring, driven by CNNs and transformers, have made significant progress. Large-scale pre-trained diffusion models, which are rich in real-world modeling, have shown great promise for high-quality…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Xiaoyang Liu , Zhengyan Zhou , Zihang Xu , Jiezhang Cao , Zheng Chen , Yulun Zhang