{"created":"2024-10-30T09:15:47.478652+00:00","id":2007342,"links":{},"metadata":{"_buckets":{"deposit":"d8dc5475-167b-418d-b903-f8bd3fba5fa0"},"_deposit":{"created_by":7,"id":"2007342","owners":[7],"pid":{"revision_id":0,"type":"depid","value":"2007342"},"status":"published"},"_oai":{"id":"oai:tokushima-u.repo.nii.ac.jp:02007342","sets":["1713853213384:1713853296295:1716268427747:1716268703682"]},"author_link":["1587"],"item_10001_alternative_title_1":{"attribute_name":"タイトル別表記","attribute_value_mlt":[{"subitem_alternative_title":"欠損した投影の推定を伴う断層逆問題","subitem_alternative_title_language":"ja"}]},"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-03-13","bibliographicIssueDateType":"Issued"},"bibliographicPageStart":"7932318","bibliographicVolumeNumber":"2019","bibliographic_titles":[{"bibliographic_title":"Mathematical Problems in Engineering","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Image reconstruction in computed tomography can be treated as an inverse problem, namely, obtaining pixel values of a tomographic image from measured projections. However, a seriously degraded image with artifacts is produced when a certain part of the projections is inaccurate or missing. A novel method for simultaneously obtaining a reconstructed image and an estimated projection by solving an initial-value problem of differential equations is proposed. A system of differential equations is constructed on the basis of optimizing a cost function of unknown variables for an image and a projection. Three systems described by nonlinear differential equations are constructed, and the stability of a set of equilibria corresponding to an optimized solution for each system is proved by using the Lyapunov stability theorem. To validate the theoretical result given by the proposed method, metal artifact reduction was numerically performed.","subitem_description_language":"en","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Hindawi","subitem_publisher_language":"en"}]},"item_10001_rights_15":{"attribute_name":"権利情報","attribute_value_mlt":[{"subitem_rights":"Copyright © 2019 Masashi Kimura et al. This is an open access article distributed under the Creative Commons Attribution License ( https://creativecommons.org/licenses/by/4.0/ ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.","subitem_rights_language":"en"}]},"item_10001_source_id_9":{"attribute_name":"収録物ID","attribute_value_mlt":[{"subitem_source_identifier":"1024123X","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"15635147","subitem_source_identifier_type":"ISSN"},{"subitem_source_identifier":"AA11947206","subitem_source_identifier_type":"NCID"}]},"item_10001_version_type_20":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_be7fb7dd8ff6fe43","subitem_version_type":"NA"}]},"item_1714461018643":{"attribute_name":"報告番号","attribute_value_mlt":[{"subitem_dissertationnumber":"甲第3422号"}]},"item_1714461102074":{"attribute_name":"学位名","attribute_value_mlt":[{"subitem_degreename":"博士（保健学）","subitem_degreename_language":"ja"}]},"item_1714461118377":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2020-03-23"}]},"item_1714461137393":{"attribute_name":"学位授与機関","attribute_value_mlt":[{"subitem_degreegrantor":[{"subitem_degreegrantor_language":"ja","subitem_degreegrantor_name":"徳島大学"}]}]},"item_1715043197608":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access"}]},"item_1718868208704":{"attribute_name":"備考","attribute_value_mlt":[{"subitem_textarea_language":"ja","subitem_textarea_value":"内容要旨・審査要旨・論文本文の公開\n本論文は，著者Masashi Kimuraの学位論文として提出され，学位審査・授与の対象となっている。\n学位授与者所属 : 徳島大学大学院保健科学教育部（保健学専攻）"}]},"item_1718868303842":{"attribute_name":"学位記番号","attribute_value_mlt":[{"subitem_text_language":"ja","subitem_text_value":"甲保第41号"}]},"item_1722929371688":{"attribute_name":"出版社版DOI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_language":"ja","subitem_relation_name_text":"10.1155/2019/7932318"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.1155/2019/7932318","subitem_relation_type_select":"DOI"}}]},"item_1723180141928":{"attribute_name":"EID","attribute_value_mlt":[{"subitem_identifier_type":"URI","subitem_identifier_uri":"349829"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"木村, 雅司","creatorNameLang":"ja"},{"creatorName":"キムラ, マサシ","creatorNameLang":"ja-Kana"},{"creatorName":"Kimura, Masashi","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"山口, 雄作","creatorNameLang":"ja"},{"creatorName":"ヤマグチ, ユウサク","creatorNameLang":"ja-Kana"},{"creatorName":"Yamaguchi, Yusaku","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"アボウ アルオラ, オマル","creatorNameLang":"ja"},{"creatorName":"アボウ アルオラ, オマル","creatorNameLang":"ja-Kana"},{"creatorName":"Abou Al-Ola, Omar M.","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"吉永, 哲哉","creatorNameLang":"ja"}],"nameIdentifiers":[{"nameIdentifier":"1587","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2020-05-14"}],"displaytype":"detail","filename":"k3422_abstract.pdf","filesize":[{"value":"154 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MB"}],"format":"application/pdf","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://tokushima-u.repo.nii.ac.jp/record/2007342/files/k3422_fulltext.pdf"},"version_id":"7a32a1a9-8f4e-4db9-b4c0-69a8b7ae87ef"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Inverse Problem","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Nonlinear Dynamical System","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Image Reconstruction","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"Metal Artifact Reduction","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"doctoral thesis","resourceuri":"http://purl.org/coar/resource_type/c_db06"}]},"item_title":"Tomographic Inverse Problem with Estimating Missing Projections","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Tomographic Inverse Problem with Estimating Missing Projections","subitem_title_language":"en"}]},"item_type_id":"40001","owner":"7","path":["1716268703682"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2020-03-26"},"publish_date":"2020-03-26","publish_status":"0","recid":"2007342","relation_version_is_last":true,"title":["Tomographic Inverse Problem with Estimating Missing Projections"],"weko_creator_id":"7","weko_shared_id":-1},"updated":"2024-10-30T09:15:57.227196+00:00"}