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Article

3D Scanner-Based Identification of Welding Defects—Clustering the Results of Point Cloud Alignment

1
Faculty of Informatics, Savaria Institute of Technology, Eotvos Lorand University, H-9700 Szombathely, Hungary
2
ELKH-PE Complex Systems Monitoring Research Group, Department of Process Engineering, University of Pannonia, H-8200 Veszprem, Hungary
*
Author to whom correspondence should be addressed.
Sensors 2023, 23(5), 2503; https://doi.org/10.3390/s23052503
Submission received: 29 December 2022 / Revised: 10 February 2023 / Accepted: 20 February 2023 / Published: 23 February 2023
(This article belongs to the Collection 3D Imaging and Sensing System)

Abstract

This paper describes a framework for detecting welding errors using 3D scanner data. The proposed approach employs density-based clustering to compare point clouds and identify deviations. The discovered clusters are then classified according to standard welding fault classes. Six welding deviations defined in the ISO 5817:2014 standard were evaluated. All defects were represented through CAD models, and the method was able to detect five of these deviations. The results demonstrate that the errors can be effectively identified and grouped according to the location of the different points in the error clusters. However, the method cannot separate crack-related defects as a distinct cluster.
Keywords: welding; seam defect recognition; DBSCAN; cloud points matching welding; seam defect recognition; DBSCAN; cloud points matching

Share and Cite

MDPI and ACS Style

Hegedűs-Kuti, J.; Szőlősi, J.; Varga, D.; Abonyi, J.; Andó, M.; Ruppert, T. 3D Scanner-Based Identification of Welding Defects—Clustering the Results of Point Cloud Alignment. Sensors 2023, 23, 2503. https://doi.org/10.3390/s23052503

AMA Style

Hegedűs-Kuti J, Szőlősi J, Varga D, Abonyi J, Andó M, Ruppert T. 3D Scanner-Based Identification of Welding Defects—Clustering the Results of Point Cloud Alignment. Sensors. 2023; 23(5):2503. https://doi.org/10.3390/s23052503

Chicago/Turabian Style

Hegedűs-Kuti, János, József Szőlősi, Dániel Varga, János Abonyi, Mátyás Andó, and Tamás Ruppert. 2023. "3D Scanner-Based Identification of Welding Defects—Clustering the Results of Point Cloud Alignment" Sensors 23, no. 5: 2503. https://doi.org/10.3390/s23052503

APA Style

Hegedűs-Kuti, J., Szőlősi, J., Varga, D., Abonyi, J., Andó, M., & Ruppert, T. (2023). 3D Scanner-Based Identification of Welding Defects—Clustering the Results of Point Cloud Alignment. Sensors, 23(5), 2503. https://doi.org/10.3390/s23052503

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