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    Rotated hough filtering for automatically distinguishing the collagen bundles in the most superficial layer of articular cartilage

    Access Status
    Fulltext not available
    Authors
    Duan, Xiaojuan
    Wu, Jian Ping
    Kirk, Thomas
    Date
    2013
    Type
    Journal Article
    
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    Citation
    Duan, Xiaojuan and Wu, Jian Ping and Kirk, Thomas. 2013. Rotated hough filtering for automatically distinguishing the collagen bundles in the most superficial layer of articular cartilage. IEEE Journal of Biomedical and Health Informatics. 17 (5): pp. 922-927.
    Source Title
    IEEE Journal of Biomedical and Health Informatics
    DOI
    10.1109/JBHI.2013.2259246
    ISSN
    21682194
    URI
    http://hdl.handle.net/20.500.11937/48416
    Collection
    • Curtin Research Publications
    Abstract

    The structure of the collagen matrix in the most superficial layer of articular cartilage (AC) is particularly critical to the wear and tensile resistance of AC. Disruption of the collagen network leads to rapid wear of the articular surface, which is a major contributory factor of osteoarthritis. Interwoven fiber bundles have been observed in the most superficial layer of healthy AC under confocal microscopy, but gradually disappear with age and pathological change of AC. The image analysis techniques developed in this paper aimed to provide a quantitative description of the relationship between the presence of the fiber bundles in the lamina splendens and health status of AC. The result of this quantitative study confirmed the existence of fiber bundles in healthy AC, and the accuracy of the identified fiber bundles was up to 90%. With the development of confocal arthroscopy for imaging microstructure of AC without biopsy, the image analysis technique can aidto efficiently assess the physiological status of AC for orthopaedic clinics.

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