A harmonic -based conductivity reconstruction method in MREIT with influence of non-transversal current density

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dc.contributor.authorJeon, K.ko
dc.contributor.authorLee, Chang-Ockko
dc.contributor.authorWoo, E.J.ko
dc.date.accessioned2018-12-20T08:06:46Z-
dc.date.available2018-12-20T08:06:46Z-
dc.date.created2018-12-14-
dc.date.created2018-12-14-
dc.date.created2018-12-14-
dc.date.created2018-12-14-
dc.date.created2018-12-14-
dc.date.created2018-12-14-
dc.date.issued2018-06-
dc.identifier.citationINVERSE PROBLEMS IN SCIENCE AND ENGINEERING, v.26, no.6, pp.811 - 833-
dc.identifier.issn1741-5977-
dc.identifier.urihttp://hdl.handle.net/10203/248778-
dc.description.abstractMagnetic resonance electrical impedance tomography (MREIT) is a high-resolution conductivity imaging method utilizing measured magnetic flux density data induced by externally injected currents. Most MREIT image reconstruction methods including the harmonic Bz algorithm adopt iterative schemes to handle the non-linear relation between conductivity and magnetic flux density. Iterative methods, however, may not guarantee a reliable conductivity reconstruction when the measured magnetic flux density data are contaminated with a significant amount of noise. In this paper, we propose a new image reconstruction method which alleviates the technical difficulties of the iterative harmonic Bz algorithm. It effectively reduces the number of iterations by two at most. To improve the image quality, it incorporates the influence of non-transversal current densities. Providing theoretical observations and details of the proposed algorithm, we present results of numerical simulations and phantom experiments for its validation. © 2017 Informa UK Limited, trading as Taylor & Francis Group.-
dc.languageEnglish-
dc.publisherTAYLOR & FRANCIS LTD-
dc.titleA harmonic -based conductivity reconstruction method in MREIT with influence of non-transversal current density-
dc.typeArticle-
dc.identifier.wosid000428195700003-
dc.identifier.scopusid2-s2.0-85025165605-
dc.type.rimsART-
dc.citation.volume26-
dc.citation.issue6-
dc.citation.beginningpage811-
dc.citation.endingpage833-
dc.citation.publicationnameINVERSE PROBLEMS IN SCIENCE AND ENGINEERING-
dc.identifier.doi10.1080/17415977.2017.1352587-
dc.contributor.localauthorLee, Chang-Ock-
dc.contributor.nonIdAuthorJeon, K.-
dc.contributor.nonIdAuthorWoo, E.J.-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorMREIT-
dc.subject.keywordAuthorB-z-based algorithm-
dc.subject.keywordAuthorconductivity and current density reconstruction-
dc.subject.keywordAuthornon-transversal current density-
dc.subject.keywordAuthorphantom experiment-
dc.subject.keywordPlusELECTRICAL-IMPEDANCE TOMOGRAPHY-
dc.subject.keywordPlusMAGNETIC-FLUX DENSITY-
dc.subject.keywordPlusZ ALGORITHM-
dc.subject.keywordPlusMR-EIT-
dc.subject.keywordPlusIMAGE-RECONSTRUCTION-
dc.subject.keywordPlusONE-COMPONENT-
dc.subject.keywordPlusSIMULATION-
dc.subject.keywordPlusRESOLUTION-
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