This paper describes a method whereby a three dimensional position inside a human body can be measured using a simple X-ray stereo image pair. Because the geometry of X-ray imaging is similar to that of ordinary photography, a standard stereo vision technique can be used. However, one problem is that the X-ray source position is unknown and should be computed from the X-ray image. In addition, a reference coordinate on which the measurement is based needs to be determined. The proposed method solves these two problems using a cubic wire frame called the reference object. Although three dimensional positioning for a human body is possible by Computer Tomography (CT), it requires expensive equipment. In contrast, the proposed method only requires ordinary X-ray photography equipment, which is inexpensive and widely available even in developing countries.


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    Titel :

    Three Dimensional Position Measurement for Maxillofacial Surgery by Stereo X-Ray Images


    Beteiligte:
    Yagi, Yasushi (Herausgeber:in) / Kang, Sing Bing (Herausgeber:in) / Kweon, In So (Herausgeber:in) / Zha, Hongbin (Herausgeber:in) / Ohta, Naoya (Autor:in) / Mogi, Kenji (Autor:in) / Nakasone, Yoshiki (Autor:in)

    Kongress:

    Asian Conference on Computer Vision ; 2007 ; Tokyo, Japan November 18, 2007 - November 22, 2007


    Erschienen in:

    Computer Vision – ACCV 2007 ; Kapitel : 52 ; 528-536


    Erscheinungsdatum :

    2007-01-01


    Format / Umfang :

    9 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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