{"created":"2023-05-15T14:57:00.358655+00:00","id":77358,"links":{},"metadata":{"_buckets":{"deposit":"ef15c82a-9282-4125-99d0-0982aa4ccbeb"},"_deposit":{"created_by":1,"id":"77358","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"77358"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00077358","sets":["10:29"]},"author_link":["799737","799746","799747","799744","799739","799740","799742","799745","799748","799749","799738","799741","799750","799743"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2019-11-03","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"我々は、高画質・小型・安価な頭部用PET装置の実用化を目指し、半球状に検出器を配置した独自のヘルメット型PETの開発を進めている。本研究では、昨年度開発したtime-of-flight (TOF)搭載の第2世代ヘルメット型PET装置に対して、標準的な評価規格(NEMA NU2)に基づいて性能評価を行った。【方法・結果】1cm厚LFSとシリコンフォトマルからなる検出器54個を半球状に配置した試作機を開発し、245ピコ秒の同時計数時間分解能を得た。空間分解能は約4.0mm (FBP)、感度とピーク雑音等価計数率はそれぞれ22.3kcps, 101.2kcps@9.0kBq/mL（20cm径の被写体に対するTOFゲイン込み）であった。画質は10mm球のコントラスト、バックグラウンドのノイズともに、シーメンスBiograph mCTよりも優れた結果が得られた。【結論】標準的評価法により、TOF搭載のヘルメット型PET装置の優れた性能を明らかにした。","subitem_description_type":"Abstract"}]},"item_10005_description_6":{"attribute_name":"会議概要（会議名, 開催地, 会期, 主催者等）","attribute_value_mlt":[{"subitem_description":"第59回日本核医学会学術総会","subitem_description_type":"Other"}]},"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":"山谷, 泰賀"}],"nameIdentifiers":[{"nameIdentifier":"799737","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"赤松, 剛"}],"nameIdentifiers":[{"nameIdentifier":"799738","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉田, 英治"}],"nameIdentifiers":[{"nameIdentifier":"799739","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"田島, 英朗"}],"nameIdentifiers":[{"nameIdentifier":"799740","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"岩男, 悠真"}],"nameIdentifiers":[{"nameIdentifier":"799741","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"高橋, 美和子"}],"nameIdentifiers":[{"nameIdentifier":"799742","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山下, 大地"}],"nameIdentifiers":[{"nameIdentifier":"799743","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yamaya, Taiga","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"799744","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Akamatsu, Go","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"799745","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yoshida, Eiji","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"799746","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Tashima, Hideaki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"799747","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Iwao, Yuma","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"799748","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Takahashi, Miwako","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"799749","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Yamashita, Taichi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"799750","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":"conference object","resourceuri":"http://purl.org/coar/resource_type/c_c94f"}]},"item_title":"ヘルメット型TOF-PET試作機のNEMA性能評価","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ヘルメット型TOF-PET試作機のNEMA性能評価"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-11-08"},"publish_date":"2019-11-08","publish_status":"0","recid":"77358","relation_version_is_last":true,"title":["ヘルメット型TOF-PET試作機のNEMA性能評価"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T23:49:10.857939+00:00"}