{"created":"2025-01-19T01:28:45.770968+00:00","updated":"2025-01-19T11:31:07.755295+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00229543","sets":["6504:11436:11437"]},"path":["11437"],"owner":"44499","recid":"229543","title":["MMアルゴリズムを用いた4次元PET画像再構成の高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-16"},"_buckets":{"deposit":"4cb04ced-4d45-4519-84ba-f4ce00e63a2c"},"_deposit":{"id":"229543","pid":{"type":"depid","value":"229543","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"MMアルゴリズムを用いた4次元PET画像再構成の高速化","author_link":["617418","617417","617416","617415","617412","617414","617413"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"MMアルゴリズムを用いた4次元PET画像再構成の高速化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"コンピュータシステム","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2023-02-16","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"名大"},{"subitem_text_value":"名工大"},{"subitem_text_value":"名工大"},{"subitem_text_value":"名大"},{"subitem_text_value":"名工大"},{"subitem_text_value":"名大"},{"subitem_text_value":"名大"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/229543/files/IPSJ-Z85-1J-01.pdf","label":"IPSJ-Z85-1J-01.pdf"},"date":[{"dateType":"Available","dateValue":"2023-11-17"}],"format":"application/pdf","filename":"IPSJ-Z85-1J-01.pdf","filesize":[{"value":"356.7 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"3a173396-47bc-45f9-b038-7f31306a516f","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"湯淺, 義尚"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"松村, 海飛"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"横田, 達也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大島, 聡史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"本谷, 秀堅"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"片桐, 孝洋"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"永井, 亨"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"医用画像におけるPETとは患者の生体内における放射性薬剤の分布を測定することで、生体内の代謝過程などの生体分子機構を観察する手法である。このPET画像は実際に観測されたサイノグラムというデータから再構成されるが、PET画像再構成では大きなデータや計算量の大きいアルゴリズムを扱うために、GPUの利用による高速化への期待が大きい。そこで、本研究では従来の方法よりも安定して再構成が行えるMMアルゴリズムを利用した４次元PET画像再構成プログラムの実行時間について調査を行い、ボトルネックとなっている部分を解消することでさらなる高速化を目指している。","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"22","bibliographic_titles":[{"bibliographic_title":"第85回全国大会講演論文集"}],"bibliographicPageStart":"21","bibliographicIssueDates":{"bibliographicIssueDate":"2023-02-16","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2023"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":229543,"links":{}}