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Underwater image quality is affected by fluorescence, low illumination, absorption, and scattering. Recent works in underwater image enhancement have proposed different deep network architectures to handle these problems. Most of these…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Pranjali Singh , Prithwijit Guha

Future astronauts living and working on the Moon will face extreme environmental conditions impeding their operational safety and performance. While it has been suggested that Augmented Reality (AR) Head-Up Displays (HUDs) could potentially…

Human-Computer Interaction · Computer Science 2023-03-21 Leonie Becker , Tommy Nilsson , Paul Topf Aguiar de Medeiros , Flavie Rometsch

In this paper, a mobile camera positioning method based on forward and inverse kinematics of robot is proposed, which can realize far point positioning of imaging position and attitude tracking in large scene enhancement. Orbit precision…

Robotics · Computer Science 2020-03-10 Zhen Ma , He Xu , Yonghui Zhang , Junlong Chen , Dongbo Zhao , Siqing Chen

Augmented Reality and mobile robots are gaining much attention within industries due to the high potential to make processes cost and time efficient. To facilitate augmented reality, a calibration between the Augmented Reality device and…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Linh Kästner , Vlad Catalin Frasineanu , Jens Lambrecht

This paper explores the design and development of a class of robust diver-following algorithms for autonomous underwater robots. By considering the operational challenges for underwater visual tracking in diverse real-world settings, we…

Robotics · Computer Science 2018-09-19 Md Jahidul Islam , Michael Fulton , Junaed Sattar

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

The goal of this work is to apply a denoising image transformer to remove the distortion from underwater images and compare it with other similar approaches. Automatic restoration of underwater images plays an important role since it allows…

Image and Video Processing · Electrical Eng. & Systems 2022-04-11 Abderrahmene Boudiaf , Yuhang Guo , Adarsh Ghimire , Naoufel Werghi , Giulia De Masi , Sajid Javed , Jorge Dias

Small object detection (SOD) in optical images and videos is a challenging problem that even state-of-the-art generic object detection methods fail to accurately localize and identify such objects. Typically, small objects appear in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Aref Miri Rekavandi , Lian Xu , Farid Boussaid , Abd-Krim Seghouane , Stephen Hoefs , Mohammed Bennamoun

Low light images captured in a non-uniform illumination environment usually are degraded with the scene depth and the corresponding environment lights. This degradation results in severe object information loss in the degraded image…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Xin Xu , Shiqin Wang , Zheng Wang , Xiaolong Zhang , Ruimin Hu

Visible watermark plays an important role in image copyright protection and the robustness of a visible watermark to an attack is shown to be essential. To evaluate and improve the effectiveness of watermark, watermark removal attracts…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Xiang Li , Chan Lu , Danni Cheng , Wei-Hong Li , Mei Cao , Bo Liu , Jiechao Ma , Wei-Shi Zheng

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

Successful applications of complex vision-based behaviours underwater have lagged behind progress in terrestrial and aerial domains. This is largely due to the degraded image quality resulting from the physical phenomena involved in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Stewart Jamieson , Jonathan P. How , Yogesh Girdhar

Markerless augmented reality can be a challenging computer vision task, especially in live broadcast settings and in the absence of information related to the video capture such as the intrinsic camera parameters. This typically requires…

Computer Vision and Pattern Recognition · Computer Science 2019-07-23 Hallee E. Wong , Osman Akar , Emmanuel Antonio Cuevas , Iuliana Tabian , Divyaa Ravichandran , Iris Fu , Cambron Carter

Autonomous underwater vehicles (AUVs) have become indispensable for deep-sea exploration, spanning critical scientific research and commercial applications. The rapid attenuation of electromagnetic waves renders satellite radio signals…

Robotics · Computer Science 2026-05-07 Guy Damari , Zeev Yampolsky , Nadav Cohen , Arup Kumar Sahoo , Jeryes Danial , Felipe O. Silva , Itzik Klein

Augmented reality (AR) offers promising opportunities to support movement-based activities, such as personal training or physical therapy, with real-time, spatially-situated visual cues. While many approaches leverage AR to guide motion,…

Human-Computer Interaction · Computer Science 2025-10-02 Jade Kandel , Sriya Kasumarthi , Spiros Tsalikis , Chelsea Duppen , Daniel Szafir , Michael Lewek , Henry Fuchs , Danielle Szafir

Untrustworthy users can misuse image generators to synthesize high-quality deepfakes and engage in unethical activities. Watermarking deters misuse by marking generated content with a hidden message, enabling its detection using a secret…

Cryptography and Security · Computer Science 2024-01-23 Nils Lukas , Abdulrahman Diaa , Lucas Fenaux , Florian Kerschbaum

Recent advances in generative AI have enabled the creation of highly realistic digital content, raising concerns around authenticity, ownership, and misuse. While watermarking has become an increasingly important mechanism to trace and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Maria Bulychev , Neil G. Marchant , Benjamin I. P. Rubinstein

The indistinguishability of AI-generated content from human text raises challenges in transparency and accountability. While several methods exist to watermark models behind APIs, embedding watermark strategies directly into model weights…

Machine Learning · Computer Science 2025-04-10 Fay Elhassan , Niccolò Ajroldi , Antonio Orvieto , Jonas Geiping

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

Detecting objects of interest, such as human survivors, safety equipment, and structure access points, is critical to any search-and-rescue operation. Robots deployed for such time-sensitive efforts rely on their onboard sensors to perform…

Robotics · Computer Science 2022-10-28 Manthan Patel , Gabriel Waibel , Shehryar Khattak , Marco Hutter
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