Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and Cameras

This paper presents a system for the estimation of ship deck motion using camera, lidar and gyroscopes. A camera is used in a vision system that is based on the detection of lines as input to a vanishing point detector. This is done under a Manhattan assumption for man-made structures where the maj...

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Main Authors: Hans K.R. Holen, Alexander M. Sjøberg, Olav Egeland
Format: Article
Language:English
Published: Norwegian Society of Automatic Control 2021-07-01
Series:Modeling, Identification and Control
Subjects:
Online Access:http://www.mic-journal.no/PDF/2021/MIC-2021-3-1.pdf
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author Hans K.R. Holen
Alexander M. Sjøberg
Olav Egeland
author_facet Hans K.R. Holen
Alexander M. Sjøberg
Olav Egeland
author_sort Hans K.R. Holen
collection DOAJ
description This paper presents a system for the estimation of ship deck motion using camera, lidar and gyroscopes. A camera is used in a vision system that is based on the detection of lines as input to a vanishing point detector. This is done under a Manhattan assumption for man-made structures where the majority of lines are along 3 orthogonal axes. Two sets of parallel orthogonal lines are detected for the ship deck, and this is used to estimate the attitude using a complementary filter with input from lidar and gyroscopes. Since the vision algorithm depends on lines rather than points, the system is more resistant to occlusions like vision algorithms based on point tracking. In addition, a lidar is used to measure the distance between the sensor frame and the plane, and gyroscopes are used to improved the accuracy of the estimates. The system is validated in real time in lab experiments on a model of a ship.
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spelling doaj.art-cf5faa5181a843d4b256ebd7d7d0ba392022-12-21T18:56:11ZengNorwegian Society of Automatic ControlModeling, Identification and Control0332-73531890-13282021-07-014239911210.4173/mic.2021.3.1Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and CamerasHans K.R. HolenAlexander M. SjøbergOlav EgelandThis paper presents a system for the estimation of ship deck motion using camera, lidar and gyroscopes. A camera is used in a vision system that is based on the detection of lines as input to a vanishing point detector. This is done under a Manhattan assumption for man-made structures where the majority of lines are along 3 orthogonal axes. Two sets of parallel orthogonal lines are detected for the ship deck, and this is used to estimate the attitude using a complementary filter with input from lidar and gyroscopes. Since the vision algorithm depends on lines rather than points, the system is more resistant to occlusions like vision algorithms based on point tracking. In addition, a lidar is used to measure the distance between the sensor frame and the plane, and gyroscopes are used to improved the accuracy of the estimates. The system is validated in real time in lab experiments on a model of a ship.http://www.mic-journal.no/PDF/2021/MIC-2021-3-1.pdfvanishing pointssensor fusionvisionoffshore motion compensation
spellingShingle Hans K.R. Holen
Alexander M. Sjøberg
Olav Egeland
Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and Cameras
Modeling, Identification and Control
vanishing points
sensor fusion
vision
offshore motion compensation
title Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and Cameras
title_full Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and Cameras
title_fullStr Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and Cameras
title_full_unstemmed Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and Cameras
title_short Estimation of Ship-Deck Motion using LIDAR,Gyroscopes and Cameras
title_sort estimation of ship deck motion using lidar gyroscopes and cameras
topic vanishing points
sensor fusion
vision
offshore motion compensation
url http://www.mic-journal.no/PDF/2021/MIC-2021-3-1.pdf
work_keys_str_mv AT hanskrholen estimationofshipdeckmotionusinglidargyroscopesandcameras
AT alexandermsjøberg estimationofshipdeckmotionusinglidargyroscopesandcameras
AT olavegeland estimationofshipdeckmotionusinglidargyroscopesandcameras