{"created":"2023-05-15T14:44:04.265157+00:00","id":60268,"links":{},"metadata":{"_buckets":{"deposit":"43c20a5c-7a63-4709-9bb1-e7bb371cc78c"},"_deposit":{"created_by":1,"id":"60268","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"60268"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00060268","sets":["10:29"]},"author_link":["598969","598961","598962","598966","598963","598964","598965","598968","598967"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2003-01-24","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"PETにおける断面分解能は，視野中心から離れるほど低下し，得られる放射能分布画像の定量性を悪くしている．しかし，臨床ではこの問題を考慮せずに再構成が行われている．本研究では，2D-PET装置のシミュレーションにより，中心からの距離によって異なる検出器応答関数を推定した．これを2種類の提案した方法でOS-EMアルゴリズムに導入し，画像再構成を行い，中心から離れた位置の分解能の向上を計った．異なるファントムを用いて検証した結果，複雑で長時間の計算を必要とせずに，分解能を向上させ，結果として定量性を改善することができた．","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":"JAMIT Frontier 2003","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":"山川, 恵介"}],"nameIdentifiers":[{"nameIdentifier":"598961","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北村, 圭司"}],"nameIdentifiers":[{"nameIdentifier":"598962","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"外山, 比南子"}],"nameIdentifiers":[{"nameIdentifier":"598963","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村山, 秀雄"}],"nameIdentifiers":[{"nameIdentifier":"598964","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"内山, 明彦"}],"nameIdentifiers":[{"nameIdentifier":"598965","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山川 恵介","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"598966","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"北村 圭司","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"598967","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"外山 比南子","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"598968","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"村山 秀雄","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"598969","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":"半径方向の分解能向上を目的としたPET画像再構成法の検討","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"半径方向の分解能向上を目的としたPET画像再構成法の検討"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2004-02-10"},"publish_date":"2004-02-10","publish_status":"0","recid":"60268","relation_version_is_last":true,"title":["半径方向の分解能向上を目的としたPET画像再構成法の検討"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T21:55:38.221406+00:00"}