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This paper presents a comprehensive survey on deep learning-based image watermarking, a technique that entails the invisible embedding and extraction of watermarks within a cover image, aiming to offer a seamless blend of robustness and…

Multimedia · Computer Science 2023-10-31 Xin Zhong , Arjon Das , Fahad Alrasheedi , Abdullah Tanvir

Underwater scene reconstruction poses a substantial challenge because of the intricate interplay between light and the medium, resulting in scattering and absorption effects that make both depth estimation and rendering more complex. While…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Shuyi Hu , Qi Liu

Underwater image enhancement is such an important vision task due to its significance in marine engineering and aquatic robot. It is usually work as a pre-processing step to improve the performance of high level vision tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Long Chen , Lei Tong , Feixiang Zhou , Zheheng Jiang , Zhenyang Li , Jialin Lv , Junyu Dong , Huiyu Zhou

Underwater images suffer from color distortion and low contrast, because light is attenuated while it propagates through water. Attenuation under water varies with wavelength, unlike terrestrial images where attenuation is assumed to be…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Dana Berman , Deborah Levy , Shai Avidan , Tali Treibitz

Estimation of riverbed profiles, also known as bathymetry, plays a vital role in many applications, such as safe and efficient inland navigation, prediction of bank erosion, land subsidence, and flood risk management. The high cost and…

Machine Learning · Computer Science 2022-11-23 Mojtaba Forghani , Yizhou Qian , Jonghyun Lee , Matthew Farthing , Tyler Hesser , Peter K. Kitanidis , Eric F. Darve

Underwater images taken from autonomous underwater vehicles (AUV's) often suffer from low light, high turbidity, poor contrast, motion-blur and excessive light scattering and hence require image enhancement techniques for object…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Sreeraj Rajan Warrier , D Sri Harshavardhan Reddy , Sriya Bada , Rohith Achampeta , Sebastian Uppapalli , Jayasri Dontabhaktuni

Autonomous Underwater Vehicles (AUVs) and Remotely Operated Vehicles (ROVs) demand robust spatial perception capabilities, including Simultaneous Localization and Mapping (SLAM), to support both remote and autonomous tasks. Vision-based…

Robotics · Computer Science 2025-06-10 Pushyami Kaveti , Ambjorn Grimsrud Waldum , Hanumant Singh , Martin Ludvigsen

The environmental perception of autonomous vehicles in normal conditions have achieved considerable success in the past decade. However, various unfavourable conditions such as fog, low-light, and motion blur will degrade image quality and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Zhanwen Liu , Yuhang Li , Yang Wang , Bolin Gao , Yisheng An , Xiangmo Zhao

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

To improve the quality of underwater images, various kinds of underwater image enhancement (UIE) operators have been proposed during the past few years. However, the lack of effective objective evaluation methods limits the further…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Zhenqi Fu , Xueyang Fu , Yue Huang , Xinghao Ding

Underwater exploration offers critical insights into our planet and attracts increasing attention for its broader applications in resource exploration, national security, etc. We study the underwater scene understanding methods, which aim…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Wei Xu , Cheng Wang , Dingkang Liang , Zongchuang Zhao , Xingyu Jiang , Peng Zhang , Xiang Bai

Underwater environments pose significant challenges due to the selective absorption and scattering of light by water, which affects image clarity, contrast, and color fidelity. To overcome these, we introduce OceanLens, a method that models…

Image and Video Processing · Electrical Eng. & Systems 2024-11-21 Rajini Makam , Dhatri Shankari T M , Sharanya Patil , Suresh Sundram

Underwater video analysis is particularly challenging due to factors such as low lighting, color distortion, and turbidity, which compromise visual data quality and directly impact the performance of perception modules in robotic…

Visual degradation caused by limited visibility, insufficient lighting, and feature scarcity in underwater environments presents significant challenges to visual-inertial simultaneous localization and mapping (SLAM) systems. To address…

Robotics · Computer Science 2025-10-27 Shuoshuo Ding , Tiedong Zhang , Dapeng Jiang , Ming Lei

In this paper, we present CaveSeg - the first visual learning pipeline for semantic segmentation and scene parsing for AUV navigation inside underwater caves. We address the problem of scarce annotated training data by preparing a…

Robotics · Computer Science 2024-05-13 A. Abdullah , T. Barua , R. Tibbetts , Z. Chen , M. J. Islam , I. Rekleitis

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 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

Vision-Language Navigation in Continuous Environments (VLNCE), where an agent follows instructions and moves freely to reach a destination, is a key research problem in embodied AI. However, most existing approaches are sensitive to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Josh Qixuan Sun , Huaiyuan Weng , Xiaoying Xing , Chul Min Yeum , Mark Crowley

Underwater imaging is essential for marine exploration, environmental monitoring, and infrastructure inspection. However, water causes severe image degradation through wavelength-dependent absorption and scattering, resulting in color…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Md. Mahbub Hasan Akash , Aria Tasnim Mridula , Sheekar Banerjee , Ishtiak Al Mamoon

Autonomous Underwater Robots (AURs) operate in challenging underwater environments, including low visibility and harsh water conditions. Such conditions present challenges for software engineers developing perception modules for the AUR…

Software Engineering · Computer Science 2026-03-31 Muhammad Yousaf , Aitor Arrieta , Shaukat Ali , Paolo Arcaini , Shuai Wang