Position-based augmented reality platform for aiding construction and inspection of offshore plants
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ORIGINAL ARTICLE
Position-based augmented reality platform for aiding construction and inspection of offshore plants Junho Choi1 · Moon Gu Son1 · Yong Yi Lee1 · Kwan H. Lee1 · Jin Pyo Park2 · Chang Hun Yeo2 · Jungseo Park3 · Sungin Choi3 · Won Don Kim4 · Tae Won Kang4 · Kwanghee Ko1
© Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract We propose an augmented reality platform to help workers with fabrication and inspection of offshore structures. The platform is designed to work under various constraints that are commonly encountered in an industrial environment and often make the existing AR methods fail to work properly. It consists of modules for tracking, registration, and augmentation. The tracking module estimates the worker’s position in real time. The registration module aligns the actual objects with 3D computer-aided design models to estimate an accurate pose of the worker’s mobile device. The augmentation module correctly augments information on the target objects on the device screen using the pose data. We test several application scenarios to demonstrate the feasibility of the proposed platform for the fabrication and inspection processes of an offshore plant. Keywords Augmented reality · Offshore plants · Tracking · Registration · Fabrication · Inspection
1 Introduction Any errors in the fabrication can significantly delay the construction schedule of an offshore plant, thereby resulting in increased fabrication time and costs. Some approaches have been considered to overcome this problem. One method is to show workers 2D drawings or 3D computer-aided design (CAD) models with directions on the site using a mobile device; however, this form of presentation is not intuitive and can be confusing when the product is complex. The other is a simulation approach that allows the workers to identify any potential problems during the fabrication process, resolve them before the actual work begins, and complete the job Electronic supplementary material The online version of this article (https://doi.org/10.1007/s00371-020-01902-9) contains supplementary material, which is available to authorized users.
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Kwanghee Ko [email protected]
1
The School of Mechanical Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagiro, Gwangju 61005, Republic of Korea
2
SOFTHILLS Co., Ltd., Seoul 04780, Republic of Korea
3
SAMSUNG Heavy Industries, Geoju 53261, Republic of Korea
4
Marine Tech-In Co., Ltd., Busan 48059, Republic of Korea
correctly. However, displaying the simulation results to the field workers may not be intuitive and informative, because they are only presented on the screen without considering the relations with the actual parts in the working area. An obvious solution to these problems is to visually provide the workers with design information and instructions related to the target area or parts so that they can understand the directions or design intuitively and follow them efficiently. Augmented reality (AR) is a core technology that can realize the solution.
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