This paper describes on-going research into three-dimensional x-ray imaging techniques conducted by the 3-D Imaging Group at the Nottingham Trent University. This work was initiated to enhance the virtual interpretation of complex x-ray images, specifically in response to problems encountered in the routine screening of freight and hand luggage at airports. The interpretation of standard two-dimensional x-ray images by humans is often very difficult. This is due to the lack of visual cues to depth in an image produced by transmitted radiation. The solution proposed in this research, in the first instance, is to introduce binocular parallax, a powerful physiological depth cue, into the resultant shadowgraph x-ray images. This is accomplished by implementing a stereoscopic imaging technique specifically developed by the Nottingham group for use with linear x-ray detector arrays and has culminated in the development of two experimental machines. Current research involves the investigation of techniques which will allow the extraction of the three-dimensional data contained in the stereoscopic images, such that 'slice' images can be obtained. This data set may then be used with existing reconstruction software utilised by CAT scanning techniques.


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    Titel :

    Three-dimensional x-ray imaging techniques


    Weitere Titelangaben:

    Dreidimensionale Röntgenbildtechniken


    Beteiligte:
    Evans, P. (Autor:in) / Godber, S.X. (Autor:in) / Robinson, M. (Autor:in)


    Erscheinungsdatum :

    1994


    Format / Umfang :

    5 Seiten, 3 Bilder, 10 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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