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Underwater image enhancement algorithms have attracted much attention in underwater vision task. However, these algorithms are mainly evaluated on different data sets and different metrics. In this paper, we set up an effective and pubic…

Image and Video Processing · Electrical Eng. & Systems 2019-07-02 Hanyu Li , Jingjing Li , Wei Wang

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

Underwater images often suffer from color distortion and low contrast resulting in various image types, due to the scattering and absorption of light by water. While it is difficult to obtain high-quality paired training samples with a…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Pan Mu , Hanning Xu , Zheyuan Liu , Zheng Wang , Sixian Chan , Cong Bai

Underwater image enhancement (UIE) is a practically important yet underexplored application of spiking neural networks (SNNs), where the dominant degradations are large-scale and low-frequency, such as wavelength-dependent colour casts and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Shuang Chen , Ruochen Li , Zihan Zhu , Ronald Thenius , Farshad Arvin , Amir Atapour-Abarghouei

Underwater imagery often suffers from severe degradation resulting in low visual quality and reduced object detection performance. This work aims to evaluate state-of-the-art image enhancement models, investigate their effects on underwater…

Image and Video Processing · Electrical Eng. & Systems 2025-04-21 Ali Awad , Ashraf Saleem , Sidike Paheding , Evan Lucas , Serein Al-Ratrout , Timothy C. Havens

We present a wavelet-based dual-stream network that addresses color cast and blurry details in underwater images. We handle these artifacts separately by decomposing an input image into multiple frequency bands using discrete wavelet…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Ziyin Ma , Changjae Oh

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

Learning-based underwater image enhancement (UIE) methods have made great progress. However, the lack of large-scale and high-quality paired training samples has become the main bottleneck hindering the development of UIE. The inter-frame…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yaofeng Xie , Lingwei Kong , Kai Chen , Ziqiang Zheng , Xiao Yu , Zhibin Yu , Bing Zheng

Although deep learning based models for underwater image enhancement have achieved good performance, they face limitations in both lightweight and effectiveness, which prevents their deployment and application on resource-constrained…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Fuheng Zhou , Dikai Wei , Ye Fan , Yulong Huang , Yonggang Zhang

Raw underwater images are degraded due to wavelength dependent light attenuation and scattering, limiting their applicability in vision systems. Another factor that makes enhancing underwater images particularly challenging is the diversity…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Pritish Uplavikar , Zhenyu Wu , Zhangyang Wang

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 are typically characterized by color cast, haze, blurring, and uneven illumination due to the selective absorption and scattering when light propagates through the water, which limits their practical applications.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yuemei Li , Guojia Hou , Peixian Zhuang , Zhenkuan Pan

Computer vision techniques have empowered underwater robots to effectively undertake a multitude of tasks, including object tracking and path planning. However, underwater optical factors like light refraction and absorption present…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Haodong Yang , Jisheng Xu , Zhiliang Lin , Jianping He

Underwater images often suffer from severe color distortion, low contrast, and a hazy appearance due to wavelength-dependent light absorption and scattering. Simultaneously, existing deep learning models exhibit high computational…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Munsif Ali , Najmul Hassan , Lucia Ventura , Davide Di Bari , Simonepietro Canese

Underwater images typically suffer from severe colour distortions, low visibility, and reduced structural clarity due to complex optical effects such as scattering and absorption, which greatly degrade their visual quality and limit the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Chang Huang , Jiahang Cao , Jun Ma , Kieren Yu , Cong Li , Huayong Yang , Kaishun Wu

Underwater image understanding is crucial for both submarine navigation and seabed exploration. However, the low illumination in underwater environments degrades the imaging quality, which in turn seriously deteriorates the performance of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Xin Zuo , Jiaran Jiang , Jifeng Shen , Wankou Yang

The purpose of this paper is to explore the use of underwater image enhancement techniques to improve keypoint detection and matching. By applying advanced deep learning models, including generative adversarial networks and convolutional…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Pedro Diaz-Garcia , Felix Escalona , Miguel Cazorla

Underwater vision suffers from severe effects due to selective attenuation and scattering when light propagates through water. Such degradation not only affects the quality of underwater images but limits the ability of vision tasks.…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Chongyi Li , Jichang Guo , Chunle Guo

We present a novel dual-stream architecture that achieves state-of-the-art underwater image enhancement by explicitly integrating the Jaffe-McGlamery physical model with capsule clustering-based feature representation learning. Our method…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Niki Martinel , Rita Pucci

Recently, learning-based Underwater Image Enhancement (UIE) methods have demonstrated promising performance. However, existing learning-based methods still face two challenges. 1) They rarely consider the inconsistent degradation levels in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Lingtao Peng , Liheng Bian