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A New Sensor System for Accurate 3D Surface Measurements and Modeling of Underwater Objects

GND
123004586
Zugehörigkeit
Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;(C.M.);(M.H.);(I.G.);(P.K.); or(G.N.)
Bräuer-Burchardt, Christian;
GND
1017823626
Zugehörigkeit
Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;(C.M.);(M.H.);(I.G.);(P.K.); or(G.N.)
Munkelt, Christoph;
Zugehörigkeit
Robotics and Telematics Department of Computer Science, Julius-Maximilian University Würzburg, Sanderring 2, 97070 Würzburg, Germany;
Bleier, Michael;
Zugehörigkeit
Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;(C.M.);(M.H.);(I.G.);(P.K.); or(G.N.)
Heinze, Matthias;
Zugehörigkeit
Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;(C.M.);(M.H.);(I.G.);(P.K.); or(G.N.)
Gebhart, Ingo;
GND
129048909
Zugehörigkeit
Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;(C.M.);(M.H.);(I.G.);(P.K.); or(G.N.)
Kühmstedt, Peter;
GND
172636973
Zugehörigkeit
Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745 Jena, Germany;(C.M.);(M.H.);(I.G.);(P.K.); or(G.N.)
Notni, Gunther

Featured Application A potential application of the work is the underwater 3D inspection of industrial structures, such as oil and gas pipelines, offshore wind turbine foundations, or anchor chains. Abstract A new underwater 3D scanning device based on structured illumination and designed for continuous capture of object data in motion for deep sea inspection applications is introduced. The sensor permanently captures 3D data of the inspected surface and generates a 3D surface model in real time. Sensor velocities up to 0.7 m/s are directly compensated while capturing camera images for the 3D reconstruction pipeline. The accuracy results of static measurements of special specimens in a water basin with clear water show the high accuracy potential of the scanner in the sub-millimeter range. Measurement examples with a moving sensor show the significance of the proposed motion compensation and the ability to generate a 3D model by merging individual scans. Future application tests in offshore environments will show the practical potential of the sensor for the desired inspection tasks.

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Einordnung

Herausgeber(in):
Fujigaki, Motoharu
Erschienen in:
Applied Sciences : open access journal
Bd. 12, H. 9 (20.04.2022)Art.-Nr.:4139
Band:
12
Heft:
9
Datum der Veröffentlichung:
20.04.2022
DOI:
10.3390/app12094139
Sprache:
Englisch
Ressourcentyp:
Text
Umfang:
15 Seiten
Erscheinungsort:
Basel
Verlag:
MDPI
Schlagwörter:
optical underwater 3D sensor; structured illumination; motion compensation; 3D model generation; high-accuracy 3D measurements
DDC-Sachgruppe der DNB:
530 Physik
Einrichtung:
Friedrich-Schiller-Universität Jena, Physikalisch-Astronomische Fakultät

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