{"created":"2023-05-15T14:45:18.168694+00:00","id":61907,"links":{},"metadata":{"_buckets":{"deposit":"189a5699-fba6-4fb0-815d-aa832572e95f"},"_deposit":{"created_by":1,"id":"61907","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"61907"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00061907","sets":["10:29"]},"author_link":["612677","612660","612661","612671","612674","612670","612667","612663","612662","612675","612664","612665","612668","612669","612672","612678","612659","612676","612673","612666"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2006-11-11","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"従来にない高感度かつ高空間解像度なPETイメージングの実現を目指して、4層DOI-PET装置(jPET-D4)を試作した。今回、jPET-D4用の3次元画像再構成手法を開発し、健常ボランティアのイメージングテストを行ったので報告する。具体的には、放医研治験等審査委員会にて承認された実験計画に基づき、2.82mCiのFDG投与100分後から、40分間測定した。正確な観測モデルに基づく逐次近似型画像再構成手法を適用する際、DOI層数の2乗に比例して増加する結晶素子対数の取扱いが最大の課題であったが、観測系の冗長性に注目しデータ次元数を削減するDOI compression法を適用して、システムマトリクスの事前計算・保持を可能にした。そしてヒストグラムベースの3D OSEM法を実装し、jPET-D4試作機の優れたイメージング性能を示した。","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46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":"612659","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉田, 英治"}],"nameIdentifiers":[{"nameIdentifier":"612660","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北村, 圭司"}],"nameIdentifiers":[{"nameIdentifier":"612661","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小尾, 高史"}],"nameIdentifiers":[{"nameIdentifier":"612662","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"長谷川, 智之"}],"nameIdentifiers":[{"nameIdentifier":"612663","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"羽石, 秀昭"}],"nameIdentifiers":[{"nameIdentifier":"612664","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"谷本, 克之"}],"nameIdentifiers":[{"nameIdentifier":"612665","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉川, 京燦"}],"nameIdentifiers":[{"nameIdentifier":"612666","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"伊藤, 浩"}],"nameIdentifiers":[{"nameIdentifier":"612667","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村山, 秀雄"}],"nameIdentifiers":[{"nameIdentifier":"612668","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山谷 泰賀","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612669","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉田 英治","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612670","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北村 圭司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612671","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"小尾 高史","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612672","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"長谷川 智之","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612673","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"羽石 秀昭","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612674","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"谷本 克之","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612675","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉川 京燦","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612676","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"伊藤 浩","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612677","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村山 秀雄","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"612678","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":"頭部用PET試作機jPET-D4の健常ボランティアによるイメージングテスト","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"頭部用PET試作機jPET-D4の健常ボランティアによるイメージングテスト"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2006-11-20"},"publish_date":"2006-11-20","publish_status":"0","recid":"61907","relation_version_is_last":true,"title":["頭部用PET試作機jPET-D4の健常ボランティアによるイメージングテスト"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T21:36:55.111594+00:00"}