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Underwater Image Enhancement via Medium Transmission-Guided Multi-Color Space Embedding [PDF]

open access: yesIEEE Transactions on Image Processing, 2021
Underwater images suffer from color casts and low contrast due to wavelength- and distance-dependent attenuation and scattering. To solve these two degradation issues, we present an underwater image enhancement network via medium transmission-guided ...
Chongyi Li   +5 more
semanticscholar   +1 more source

U-Shape Transformer for Underwater Image Enhancement [PDF]

open access: yesIEEE Transactions on Image Processing, 2021
The light absorption and scattering of underwater impurities lead to poor underwater imaging quality. The existing data-driven based underwater image enhancement (UIE) techniques suffer from the lack of a large-scale dataset containing various underwater
Lintao Peng, Chunli Zhu, Liheng Bian
semanticscholar   +1 more source

Autonomous Underwater Vehicles and Field of View in Underwater Operations [PDF]

open access: yesJournal of Marine Science and Engineering, 2021
Submarine inspections and surveys require underwater vehicles to operate in deep waters efficiently, safely and reliably. Autonomous Underwater Vehicles employing advanced navigation and control systems present several advantages. Robust control algorithms and novel improvements in positioning and navigation are needed to optimize underwater operations.
Isaac Segovia Ramírez   +3 more
openaire   +3 more sources

Study on measurement of sound attenuation coefficient in bubble wake by pool [PDF]

open access: yesE3S Web of Conferences, 2020
In this paper, bubbles are generated by controlling the air inlet volume of the ceramic tube array with a gas divider valve. Stimulation tests of sound attenuation characteristics of the wake of bubbles in a laboratory pool are performed.
Han Jing   +4 more
doaj   +1 more source

Underwater target detection based on improved YOLOv7 [PDF]

open access: yesJournal of Marine Science and Engineering, 2023
Underwater target detection is a crucial aspect of ocean exploration. However, conventional underwater target detection methods face several challenges such as inaccurate feature extraction, slow detection speed, and lack of robustness in complex ...
Bing Li   +3 more
semanticscholar   +1 more source

Underwater Caging and Capture for Autonomous Underwater Vehicles [PDF]

open access: yesGlobal Oceans 2020: Singapore – U.S. Gulf Coast, 2020
To be appear in: Proceedings of Global OCEANS ...
Özkahraman, Özer, Ögren, Petter
openaire   +4 more sources

Full Duplex Physical and MAC Layer-Based Underwater Wireless Communication Systems and Protocols: Opportunities, Challenges, and Future Directions

open access: yesJournal of Marine Science and Engineering, 2021
Underwater wireless communication has gained a great deal of attention in the last couple of decades because of its applications in the military, industrial, and monitoring sectors.
Liu Songzuo   +5 more
doaj   +1 more source

An Underwater Image Enhancement Benchmark Dataset and Beyond [PDF]

open access: yesIEEE Transactions on Image Processing, 2019
Underwater image enhancement has been attracting much attention due to its significance in marine engineering and aquatic robotics. Numerous underwater image enhancement algorithms have been proposed in the last few years.
Chongyi Li   +6 more
semanticscholar   +1 more source

A Storage-Saving Quadtree-Based Multibeam Bathymetry Map Representation Method

open access: yesJournal of Marine Science and Engineering, 2023
With the rapid advancement of the simultaneous localization and mapping (SLAM) technology, the collaboration of several autonomous underwater vehicles (AUVs) in large-scale seafloor imaging has become a trending topic. Electromagnetic waves are difficult
Zheng Cong   +9 more
doaj   +1 more source

Virtual Underwater Datasets for Autonomous Inspections [PDF]

open access: yesJ. Mar. Sci. Eng. 2022, 10(9), 1289;, 2022
Underwater Vehicles have become more sophisticated, driven by the off-shore sector and the scientific community's rapid advancements in underwater operations. Notably, many underwater tasks, including the assessment of subsea infrastructure, are performed with the assistance of Autonomous Underwater Vehicles (AUVs). There have been recent breakthroughs
arxiv   +1 more source

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