Cone-Beam Composite-Circling Scan and Exact Image Reconstruction for a Quasi-Short Object

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dc.contributor.authorYu, Hengyongen
dc.contributor.authorWang, Geen
dc.contributor.departmentSchool of Biomedical Engineering and Sciencesen
dc.date.accessioned2017-09-18T10:03:58Zen
dc.date.available2017-09-18T10:03:58Zen
dc.date.issued2008-02-03en
dc.date.updated2017-09-18T10:03:58Zen
dc.description.abstractHere we propose a cone-beam composite-circling mode to solve the quasi-short object problem, which is to reconstruct a short portion of a long object from longitudinally truncated cone-beam data involving the short object. In contrast to the saddle curve cone-beam scanning, the proposed scanning mode requires that the X-ray focal spot undergoes a circular motion in a plane facing the short object, while the X-ray source is rotated in the gantry main plane. Because of the symmetry of the proposed mechanical rotations and the compatibility with the physiological conditions, this new mode has significant advantages over the saddle curve from perspectives of both engineering implementation and clinical applications. As a feasibility study, a backprojection filtration (BPF) algorithm is developed to reconstruct images from data collected along a composite-circling trajectory. The initial simulation results demonstrate the correctness of the proposed exact reconstruction method and the merits of the proposed mode.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHengyong Yu and Ge Wang, “Cone-Beam Composite-Circling Scan and Exact Image Reconstruction for a Quasi-Short Object,” International Journal of Biomedical Imaging, vol. 2007, Article ID 87319, 10 pages, 2007. doi:10.1155/2007/87319en
dc.identifier.doihttps://doi.org/10.1155/2007/87319en
dc.identifier.urihttp://hdl.handle.net/10919/79068en
dc.language.isoenen
dc.publisherHindawien
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.holderCopyright © 2007 Hengyong Yu and Ge Wang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.en
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleCone-Beam Composite-Circling Scan and Exact Image Reconstruction for a Quasi-Short Objecten
dc.title.serialInternational Journal of Biomedical Imagingen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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