Formulation of four Katsevich algorithms in native geometry

    Authors

    A. Katsevich; K. Taguchi;A. A. Zamyatin

    Comments

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    Abbreviated Journal Title

    IEEE Trans. Med. Imaging

    Keywords

    computed tomography (CT); cone beam reconstruction; exact algorithms; shift-invariant filtering; CONE-BEAM CT; FILTERED BACKPROJECTION; IMAGE-RECONSTRUCTION; INVERSION; ALGORITHM; COMPUTED-TOMOGRAPHY; SPIRAL CT; PI-LINES; PROJECTION; Computer Science, Interdisciplinary Applications; Engineering, ; Biomedical; Engineering, Electrical & Electronic; Imaging Science &; Photographic Technology; Radiology, Nuclear Medicine & Medical Imaging

    Abstract

    We derive formulations of the four exact helical Katsevich algorithms in the native cylindrical detector geometry, which allow efficient implementation in modern computed tomography scanners with wide cone beam aperture. Also, we discuss some aspects of numerical implementation.

    Journal Title

    Ieee Transactions on Medical Imaging

    Volume

    25

    Issue/Number

    7

    Publication Date

    1-1-2006

    Document Type

    Article

    Language

    English

    First Page

    855

    Last Page

    868

    WOS Identifier

    WOS:000238781100005

    ISSN

    0278-0062

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