Unsupervised Segmentation of Industrial X-Ray Computed Tomography Data with the Segment Anything Model

  • Lea Schwarz

    Student thesis: Master's Thesis

    Abstract

    Industrial X-ray Computed Tomography (XCT) represents a pivotal non-destructive
    testing methodology for quality control across a range of industrial sectors. The accurate
    segmentation of XCT data facilitates the identification of defects and the characterisation of materials. This thesis presents the results of an investigation into the application
    of the Segment Anything Model (SAM) in this context.
    SAM, a state-of-the-art machine learning model developed by Meta AI, employs
    an unsupervised approach that automates segmentation without manual annotations
    and combines deep Convolutional Neural Network (CNN) and generative adversarial
    networks. SAM was evaluated on diverse industrial XCT data, demonstrating its competitive segmentation accuracy and efficiency. However, limitations were also identified,
    including its instance segmentation and training on street images instead of XCT scans.
    SAM’s unsupervised nature and adaptability offer cost-effective and reliable quality
    assurance solutions in industrial settings, enhancing product quality and inspection
    processes.
    Theoretical frameworks from machine learning and computer vision are synthesized
    with empirical findings to assess SAM’s efficacy and potential for real-world applications. Moreover, practical insights gleaned from experimentation shed light on SAM’s
    performance across diverse industrial datasets, highlighting both its strengths and areas
    for improvement. The findings of this research provide a framework for future research,
    emphasising interdisciplinary collaboration, iterative refinement, and a commitment to
    innovation in reshaping the landscape of industrial inspection and quality assurance.
    Date of Award2024
    Original languageEnglish (American)
    SupervisorUlrich Bodenhofer (Supervisor) & Patrick Weinberger (Supervisor)

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