{"created":"2023-05-15T14:44:21.446905+00:00","id":60648,"links":{},"metadata":{"_buckets":{"deposit":"d8dcc137-2863-46be-bf0d-7942c18846d6"},"_deposit":{"created_by":1,"id":"60648","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"60648"},"status":"published"},"_oai":{"id":"oai:repo.qst.go.jp:00060648","sets":["10:29"]},"author_link":["601466","601467"],"item_10005_date_7":{"attribute_name":"発表年月日","attribute_value_mlt":[{"subitem_date_issued_datetime":"2004-11-06","subitem_date_issued_type":"Issued"}]},"item_10005_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"現在、3次元放射線位置検出器(DOI検出器)を応用し、高感度と高解像度を同時に満たす新たな小動物用高性能PET装置(jPET-RD)の開発を進めている。今回、再構成像の画質の観点から、装置パラメータの設計を行ったので発表する。具体的には、計算機シミュレーションデータに対して、これまでに開発した正確な観測モデルに基づく統計的DOI-PET画像再構成手法を適用し、ノイズと空間解像度のトレードオフ、空間解像度の一様性、検出器ブロックのギャップの影響、結晶内散乱の影響などについて調査した。その結果、高解像度かつ高感度を実現する小動物用DOI-PET装置の仕様が明らかになったので報告する。","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44回日本核医学総会","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":"601466","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"山谷 泰賀","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"601467","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":"小動物用PET(9) 計算機シミュレーションによる小動物用DOI-PET装置の画質性能評価","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"小動物用PET(9) 計算機シミュレーションによる小動物用DOI-PET装置の画質性能評価"}]},"item_type_id":"10005","owner":"1","path":["29"],"pubdate":{"attribute_name":"公開日","attribute_value":"2004-11-09"},"publish_date":"2004-11-09","publish_status":"0","recid":"60648","relation_version_is_last":true,"title":["小動物用PET(9) 計算機シミュレーションによる小動物用DOI-PET装置の画質性能評価"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T21:51:22.180201+00:00"}