A survey on underwater computer vision

SP González-Sabbagh, A Robles-Kelly - ACM Computing Surveys, 2023 - dl.acm.org
Underwater computer vision has attracted increasing attention in the research community
due to the recent advances in underwater platforms such as of rovers, gliders, autonomous …

Enhancement-registration-homogenization (ERH): A comprehensive underwater visual reconstruction paradigm

H Song, L Chang, Z Chen, P Ren - IEEE transactions on pattern …, 2021 - ieeexplore.ieee.org
This paper presents a comprehensive underwater visual reconstruction paradigm that
comprises three procedures, ie, the E-procedure, the R-procedure, and the H-procedure …

Shape from thermal radiation: Passive ranging using multi-spectral LWIR measurements

Y Nagase, T Kushida, K Tanaka… - Proceedings of the …, 2022 - openaccess.thecvf.com
In this paper, we propose a new cue of depth sensing using thermal radiation. Our method
realizes passive, texture independent, far range, and dark scene applicability, which can …

Surface normals and shape from water

MYJ Kuo, S Murai, R Kawahara… - … on Pattern Analysis …, 2021 - ieeexplore.ieee.org
In this paper, we introduce a novel method for reconstructing surface normals and depth of
dynamic objects in water. Past shape recovery methods have leveraged various visual cues …

Absorption-based, passive range imaging from hyperspectral thermal measurements

UD Gallastegi, H Rueda-Chacon, MJ Stevens… - arXiv preprint arXiv …, 2023 - arxiv.org
Passive hyperspectral long-wave infrared measurements are remarkably informative about
the surroundings, such as remote object material composition, temperature, and range; and …

Light field-based underwater 3d reconstruction via angular resampling

Y Ding, Z Chen, Y Ji, J Yu, J Ye - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Recovering 3D geometry of underwater scenes is challenging because of the non-linear
refraction of light at the water-air interface, which is caused by the camera housing. We …

Teleidoscopic Imaging System for Microscale 3D Shape Reconstruction

R Kawahara, MYJ Kuo… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
This paper proposes a practical method of microscale 3D shape capturing by a
teleidoscopic imaging system. The main challenge in microscale 3D shape reconstruction is …

Non-rigid distortion correction for underwater images

B Gao, X Feng, K Wang, T Qi, X Li - Optics & Laser Technology, 2024 - Elsevier
Underwater images display significant non-rigid geometric distortions due to refraction and
turbulence. Owing to unknown random fluctuations, the degree of distortion varies …

[PDF][PDF] Estimating Absorption Coefficient from a Single Image via Entropy Minimization.

J Katahira, R Kawahara, T Okabe - BMVC, 2023 - pluto.ai.kyutech.ac.jp
When light passes through a liquid, its energy is attenuated due to absorption. The
attenuation depends on both the spectral absorption coefficient of a liquid and the optical …

[PDF][PDF] Spectral Absorption from Two-view Hyperspectral Images.

K Kageyama, R Kawahara, T Okabe - VISIGRAPP (4: VISAPP), 2022 - scitepress.org
When light passes through a liquid, its energy is attenuated due to absorption. The
attenuation depends both on the spectral absorption coefficient of a liquid and on the optical …