Results 11 to 20 of about 101,868 (267)

Lighting the darkness in the sea: A deep learning model for underwater image enhancement

open access: yesFrontiers in Marine Science, 2022
Currently, optical imaging cameras are widely used on underwater vehicles to obtain images and support numerous marine exploration tasks. Many underwater image enhancement algorithms have been proposed in the past few years to suppress backscattering ...
Yaofeng Xie   +5 more
doaj   +1 more source

An Underwater Image Restoration Deep Learning Network Combining Attention Mechanism and Brightness Adjustment

open access: yesJournal of Marine Science and Engineering, 2023
This study proposes Combining Attention and Brightness Adjustment Network (CABA-Net), a deep learning network for underwater image restoration, to address the issues of underwater image color-cast, low brightness, and low contrast.
Jianhua Zheng   +6 more
doaj   +1 more source

An Overview of Underwater Vision Enhancement: From Traditional Methods to Recent Deep Learning

open access: yesJournal of Marine Science and Engineering, 2022
Underwater video images, as the primary carriers of underwater information, play a vital role in human exploration and development of the ocean. Due to the optical characteristics of water bodies, underwater video images generally have problems such as ...
Kai Hu   +4 more
doaj   +1 more source

Optical Image Blending for Underwater Mosaics [PDF]

open access: yes, 2006
Typical problems for creation of consistent underwater mosaic are misalignment and inhomogeneous illumination of the image frames, which causes visible seams and consequently complicates post-processing of the mosaics such as object recognition and shape
Gu, Fan, Rzhanov, Yuri
core   +5 more sources

Benchmarking Underwater Image Enhancement and Restoration, and Beyond

open access: yesIEEE Access, 2020
Image enhancement and restoration is among the most investigated topics in the field of underwater machine vision. The objective image quality assessment is a fundamental part of optimizing underwater enhancement and restoration technologies.
Guojia Hou   +5 more
doaj   +1 more source

An Underwater Image Enhancement Algorithm Based on Generative Adversarial Network and Natural Image Quality Evaluation Index

open access: yesJournal of Marine Science and Engineering, 2021
When underwater vehicles work, underwater images are often absorbed by light and scattered and diffused by floating objects, which leads to the degradation of underwater images.
Kai Hu   +5 more
doaj   +1 more source

Spaceborne underwater imaging [PDF]

open access: yes2011 IEEE International Conference on Computational Photography (ICCP), 2011
Shallow waters are very important for human and biological activity. Remote sensing of these areas is challenging, as it requires separation of ocean (or lake) bottom, water and atmospheric effects. In this paper we describe a concept and theory for spaceborne recovery of the underwater depth map, optical characteristics of the water and atmosphere ...
Yoav Y. Schechner   +2 more
openaire   +1 more source

Unpaired Underwater Image Synthesis with a Disentangled Representation for Underwater Depth Map Prediction

open access: yesSensors, 2021
As one of the key requirements for underwater exploration, underwater depth map estimation is of great importance in underwater vision research. Although significant progress has been achieved in the fields of image-to-image translation and depth map ...
Qi Zhao   +3 more
doaj   +1 more source

Underwater Laser Imaging

open access: yesPolish Hyperbaric Research, 2021
Abstract Attenuation of light in the ocean ranges widely depending on the environment and is especially significant in optical remote sensing. Absorption of light by ocean water limits the range light can travel before being extinguished. The complex interactions of scattering light and ocean water often lead to distortions of the signal
Shelby Metoyer, Darek Bogucki
openaire   +1 more source

CA-GAN: Class-Condition Attention GAN for Underwater Image Enhancement

open access: yesIEEE Access, 2020
Underwater images suffer from serious color distortion and detail loss because of the wavelength-dependent light absorption and scattering, which seriously influences the subsequent underwater object detection and recognition.
Jing Wang   +6 more
doaj   +1 more source

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