Thermal Data Augmentation Approach for the Detection of Corrosion in Pipes Using Deep Learning and Finite Element Modelling

Defects in in-service pipelines, including corrosion under insulation (CUI) and thickness loss, pose significant challenges to asset integrity in the oil and gas industry. These defects are particularly hazardous as they often remain unnoticed. The automation of defect detection processes can assist...

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Veröffentlicht in:Engineering proceedings 2023-10, Vol.51 (1), p.20
Hauptverfasser: Reza Khoshkbary Rezayiye, Kevin Laurent, Parham Nooralishahi, Clemente Ibarra-Castanedo, Xavier Maldague
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Sprache:eng
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Zusammenfassung:Defects in in-service pipelines, including corrosion under insulation (CUI) and thickness loss, pose significant challenges to asset integrity in the oil and gas industry. These defects are particularly hazardous as they often remain unnoticed. The automation of defect detection processes can assist inspectors in reducing analysis time, costs, and human error. However, recent attempts to adopt machine learning for automated defect detection from thermal images have been hindered by limited data availability. This paper presents a novel approach to address this issue by utilizing thermal data augmentation, generating synthetic sub-surface defects via finite element modeling. The resulting synthetic thermal images, combined with real images, are then used to train a deep learning model for the automatic detection of potential defects. Additionally, this study explores the efficacy of synthetic thermal images in enhancing the generalization of the detection model.
ISSN:2673-4591
DOI:10.3390/engproc2023051020