Radiography testing is one of the most important nondestructive testing (NDT) techniques for aircraft wing inspection. Traditionally, radiography inspection is time and manpower consuming work. In addition, human inspection of cracks and damage based on film radiography is very subjective, inconsistent, and sometimes biased. Digital radiography allows all the benefits of producing significant increases in magnification and image clarity, as well as efficient management of digital images. Therefore, it is desirable to develop a computer aided system to assist interpretation of radiographic images to increase the objectivity, accuracy, and efficiency of radiographic inspection. In this article, an automated crack detection algorithm using region of interest (ROI) minimization and improved Canny edge detection techniques is developed for aircraft wing inspection. Cracks of up to 2 mm long on the aircraft wing around the fastener holes are detected automatically.


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    Titel :

    Automated crack detection for digital radiography aircraft wing inspection


    Weitere Titelangaben:

    Automatischer Rissnachweis bei der digitalen radiographischen Flugzeugflügelprüfung


    Beteiligte:
    Wang, Xin (Autor:in) / Wong, B. Stephen (Autor:in) / Tan, ChingSeong (Autor:in) / Tui, Chen Guan (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2011


    Format / Umfang :

    23 Seiten, 17 Bilder, 3 Tabellen, 13 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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    Engineering Index Backfile | 1956


    Automatic X-ray crack inspection for aircraft wing fastener holes

    Xu, J. / Liu, T. / Yin, X.M. et al. | Tema Archiv | 2010


    Crack detection using image processing techniques for radiographic inspection or aircraft wing spar

    Wong, B. Stephen / Xin Wang / Koh, Chen Ming et al. | Tema Archiv | 2011