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The difficulties of underwater image degradation due to light scattering, absorption, and fog-like particles which lead to low resolution and poor visibility are discussed in this study report. We suggest a sophisticated hybrid strategy…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Yugandhar Reddy Gogireddy , Jithendra Reddy Gogireddy

Underwater photography presents significant inherent challenges including reduced contrast, spatial blur, and wavelength-dependent color distortions. These effects can obscure the vibrancy of marine life and awareness photographers in…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Andreas Mentzelopoulos , Keith Ellenbogen

We introduce SeaSplat, a method to enable real-time rendering of underwater scenes leveraging recent advances in 3D radiance fields. Underwater scenes are challenging visual environments, as rendering through a medium such as water…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Daniel Yang , John J. Leonard , Yogesh Girdhar

Underwater image restoration has been a challenging problem for decades since the advent of underwater photography. Most solutions focus on shallow water scenarios, where the scene is uniformly illuminated by the sunlight. However, the vast…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Yifan Song , Mengkun She , Kevin Köser

Scattering and attenuation of light in no-homogeneous imaging media or inconsistent light intensity will cause insufficient contrast and color distortion in the collected images, which limits the developments such as vision-driven smart…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Yuxu Lu , Dong Yang , Yuan Gao , Ryan Wen Liu , Jun Liu , Yu Guo

Large occlusions result in a significant decline in image classification accuracy. During inference, diverse types of unseen occlusions introduce out-of-distribution data to the classification model, leading to accuracy dropping as low as…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Ketan Kotwal , Tanay Deshmukh , Preeti Gopal

Underwater images play a crucial role in ocean research and marine environmental monitoring since they provide quality information about the ecosystem. However, the complex and remote nature of the environment results in poor image quality…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Nilesh Jain , Elie Alhajjar

Underwater imagery is often compromised by factors such as color distortion and low contrast, posing challenges for high-level vision tasks. Recent underwater image restoration (UIR) methods either analyze the input image at full…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Alik Pramanick , Arijit Sur , V. Vijaya Saradhi

Underwater images are severely degraded by wavelength-dependent light absorption and scattering, resulting in color distortion, low contrast, and loss of fine details that hinder vision-based underwater applications. To address these…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Afrah Shaahid , Muzammil Behzad

In this work, we exploit a depth estimation Fully Convolutional Residual Neural Network (FCRN) for in-air perspective images to estimate the depth of underwater perspective and omni-directional images. We train one conventional and one…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Haofei Kuang , Qingwen Xu , Sören Schwertfeger

In real-world underwater environment, exploration of seabed resources, underwater archaeology, and underwater fishing rely on a variety of sensors, vision sensor is the most important one due to its high information content, non-intrusive,…

Image and Video Processing · Electrical Eng. & Systems 2021-03-29 Nan Wang , Yabin Zhou , Fenglei Han , Haitao Zhu , Jingzheng Yao

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

Underwater acoustic environment estimation is a challenging but important task for remote sensing scenarios. Current estimation methods require high signal strength and a solution to the fragile echo labeling problem to be effective. In…

Using autonomous underwater vehicles, or AUVs, has completely changed how we gather data from the ocean floor. AUV innovation has advanced significantly, especially in the analysis of images, due to the increasing need for accurate and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Rajesh Sharma R , Akey Sungheetha , Chinnaiyan R

Detecting camouflaged objects in underwater environments is crucial for marine ecological research and resource exploration. However, existing methods face two key challenges: underwater image degradation, including low contrast and color…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Xinxin Huang , Han Sun , Junmin Cai , Ningzhong Liu , Huiyu Zhou

The Segment Anything Model (SAM) has revolutionized natural image segmentation, nevertheless, its performance on underwater images is still restricted. This work presents AquaSAM, the first attempt to extend the success of SAM on underwater…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Muduo Xu , Jianhao Su , Yutao Liu

The severe image degradation in underwater environments impairs object detection models, as traditional image enhancement methods are often not optimized for such downstream tasks. To address this, we propose AquaFeat, a novel,…

High-quality underwater images are essential for both machine vision tasks and viewers with their aesthetic appeal.However, the quality of underwater images is severely affected by light absorption and scattering. Deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Jiangzhong Cao , Zekai Zeng , Xu Zhang , Huan Zhang , Chunling Fan , Gangyi Jiang , Weisi Lin

Underwater Image Enhancement (UIE) is essential for robust visual perception in marine applications. However, existing methods predominantly rely on uniform mapping tailored to average dataset distributions, leading to over-processing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Hang Xu , Chen Long , Bing Wang , Hao Chen , Zhen Dong

In this paper, we delve into the realm of 4-D light fields (LFs) to enhance underwater imaging plagued by light absorption, scattering, and other challenges. Contrasting with conventional 2-D RGB imaging, 4-D LF imaging excels in capturing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Yuji Lin , Junhui Hou , Xianqiang Lyu , Qian Zhao , Deyu Meng