Underwater pipe and valve 3D recognition using deep learning segmentation

M Martin-Abadal, M Piñar-Molina… - Journal of Marine …, 2020 - mdpi.com
During the past few decades, the need to intervene in underwater scenarios has grown due
to the increasing necessity to perform tasks like underwater infrastructure inspection and …

Efficient virtual-to-real dataset synthesis for amodal instance segmentation of occlusion-aware rockfill material gradation detection

Y Hu, J Wang, X Wang, J Yu, J Zhang - Expert Systems with Applications, 2024 - Elsevier
Image-based gradation detection methods of rockfill materials mostly ignore occluded
regions of particles, and for the mainstream methods with deep learning, dataset annotation …

Comparative Analysis and Performance Evaluation of Underwater Cable Detection and Tracking Techniques: A Comprehensive Survey

P Unal, OI Hatipoglu, A Turker, AF Unal… - … on Electrical Energy …, 2024 - Wiley Online Library
This survey provides a comprehensive review of underwater cable detection and tracking
literature, identifying key problem types and highlighting unique underwater challenges. It …

Toward a highly accurate classification of underwater cable images via deep convolutional neural network

GW Thum, SH Tang, SA Ahmad, M Alrifaey - Journal of Marine Science …, 2020 - mdpi.com
Underwater cables or pipelines are commonly utilized elements in ocean research, marine
engineering, power transmission, and communication-based activities. Their performance …

A three-point solution with scale estimation ability for two-view flat-refractive underwater photogrammetry

B Elnashef, S Filin - ISPRS Journal of Photogrammetry and Remote …, 2023 - Elsevier
Underwater photogrammetry can efficiently document complex environments with limited
accessibility. As the establishment of reference control networks is involved, using the …

Research on Fault Early Warning of Wind Turbine Based on IPSO-DBN

Z Zhang, S Wang, P Wang, P Jiang, H Zhou - Energies, 2022 - mdpi.com
Aiming at the problem of wind turbine generator fault early warning, a wind turbine fault early
warning method based on nonlinear decreasing inertia weight and exponential change …

Real-time pipe and valve characterisation and mapping for autonomous underwater intervention tasks

M Martin-Abadal, G Oliver-Codina, Y Gonzalez-Cid - Sensors, 2022 - mdpi.com
Nowadays, more frequently, it is necessary to perform underwater operations such as
surveying an area or inspecting and intervening on industrial infrastructures such as …

A comparison of the performance of 2D and 3D convolutional neural networks for subsea survey video classification

A Stamoulakatos, J Cardona, C Michie… - OCEANS 2021: San …, 2021 - ieeexplore.ieee.org
Utilising deep learning image classification to automatically annotate subsea pipeline video
surveys can facilitate the tedious and labour-intensive process, resulting in significant time …

SilhoNet-fisheye: Adaptation of a ROI based object pose estimation network to monocular fisheye images

G Billings, M Johnson-Roberson - IEEE Robotics and …, 2020 - ieeexplore.ieee.org
There has been much recent interest in deep learning methods for monocular image based
object pose estimation. While object pose estimation is an important problem for …

Prima6d: rotational primitive reconstruction for enhanced and robust 6d pose estimation

MH Jeon, A Kim - IEEE Robotics and Automation Letters, 2020 - ieeexplore.ieee.org
In this letter, we introduce a rotational primitive prediction based 6D object pose estimation
using a single image as an input. We solve for the 6D object pose of a known object relative …