{"created":"2023-05-15T15:03:02.113317+00:00","id":85395,"links":{},"metadata":{"_buckets":{"deposit":"d1d56beb-f0d7-4823-aede-14a9c5b53a23"},"_deposit":{"created_by":1,"id":"85395","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"85395"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00085395","sets":["1"]},"author_link":["1029135","1029130","1029127","1029133","1029136","1029134","1029126","1029129","1029131","1029128","1029132"],"item_8_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2021-09","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"182","bibliographicPageStart":"176","bibliographicVolumeNumber":"39","bibliographic_titles":[{"bibliographic_title":"Medical Imaging Technology"}]}]},"item_8_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"例えばMRI に後付けできるアドオンPET など，リングの一部を開放化したC 型PET によりPET の応用が広がる可能性がある．その一方で，測定データの欠損に起因した強いアーチファクトが再構成画像に発生してしまう．そこでわれわれは，開放部と対向する位置に散乱検出器を追加して，欠損情報をコンプトンカメラの原理により補うC 型コンプトンPET を提案し，開発を進めている．本研究では，C型コンプトンPET のアーチファクト低減効果をモンテカルロシミュレーションによって検討した．具体的には，半径20 cm，開放部の角度が115 度のC 型PET の内側に，散乱検出器を半径15 cm で円弧状に配置したジオメトリーを模擬した．視野中心に配置した円柱ファントムを再構成し，定量的に評価した結果，視野領域全体における円柱内部の画素値の割合が89％から95％に増加したことから，アーチファクト低減に有効であることが示された．","subitem_description_type":"Abstract"}]},"item_8_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"学術新報社"}]},"item_8_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.11409/mit.39.176","subitem_relation_type_select":"DOI"}}]},"item_8_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://www.jstage.jst.go.jp/article/mit/39/4/39_176/_article/-char/ja","subitem_relation_type_select":"URI"}}]},"item_8_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2185-3193","subitem_source_identifier_type":"ISSN"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"仁科, 匠"}],"nameIdentifiers":[{"nameIdentifier":"1029126","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"田島, 英朗"}],"nameIdentifiers":[{"nameIdentifier":"1029127","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"田久, 創大"}],"nameIdentifiers":[{"nameIdentifier":"1029128","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"錦戸, 文彦"}],"nameIdentifiers":[{"nameIdentifier":"1029129","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"管, 幹生"}],"nameIdentifiers":[{"nameIdentifier":"1029130","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山谷, 泰賀"}],"nameIdentifiers":[{"nameIdentifier":"1029131","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takumi, Nishina","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1029132","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Hideaki, Tashima","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1029133","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Sodai, Takyu","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1029134","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Fumihiko, Nishikido","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1029135","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Taiga, Yamaya","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1029136","nameIdentifierScheme":"WEKO"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"C型コンプトンPETのシミュレーション ―検出器欠損影響の低減効果の検証―","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"C型コンプトンPETのシミュレーション ―検出器欠損影響の低減効果の検証―"}]},"item_type_id":"8","owner":"1","path":["1"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-12-24"},"publish_date":"2021-12-24","publish_status":"0","recid":"85395","relation_version_is_last":true,"title":["C型コンプトンPETのシミュレーション ―検出器欠損影響の低減効果の検証―"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T17:50:56.171968+00:00"}