{"id":112203,"updated":"2025-01-21T07:02:45.683222+00:00","links":{},"created":"2025-01-18T23:54:04.245280+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00112203","sets":["6504:7208:7833"]},"path":["7833"],"owner":"6748","recid":"112203","title":["逐次近似再構成を用いた頭部3D-CT Angiographyにおける血管輪郭の定量評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2013-03-06"},"_buckets":{"deposit":"f87e2ec0-e110-4180-b911-05db74a4ffe6"},"_deposit":{"id":"112203","pid":{"type":"depid","value":"112203","revision_id":0},"owners":[6748],"status":"published","created_by":6748},"item_title":"逐次近似再構成を用いた頭部3D-CT Angiographyにおける血管輪郭の定量評価","author_link":["32447","32443","32445","32446","32442","32444"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"逐次近似再構成を用いた頭部3D-CT Angiographyにおける血管輪郭の定量評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"コンピュータと人間社会","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2013-03-06","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":"阪大"},{"subitem_text_value":"名大"},{"subitem_text_value":"名大"},{"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/112203/files/IPSJ-Z75-6J-6.pdf"},"date":[{"dateType":"Available","dateValue":"2014-12-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-Z75-6J-6.pdf","filesize":[{"value":"480.9 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"3249757a-fa7b-4789-940f-f6df7db8db05","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2013 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"今井國治"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"遠地志太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"高瀬郁子"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"森政樹"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"川浦稚代"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"池田充"}],"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":"近年、X線CT装置では、新たに逐次近似画像再構成法が登場したことによって、その画像の鮮鋭度や雑音特性と言った物理的画質評価が国内外で活発に行われるようになった。しかし、頭部3D-CT Angiography(3D-CTA)検査で得られるような3D-CTA画像では、従来の物理的な評価よりも、血管像の描出能や計測精度を考慮した画質評価が重要となる。そこで本研究では、画質の評価指標の一つとして鮮明度に着目し、3D-CTA画像の位相情報をもとに新しい鮮明度評価法を考案した。本報告は、提案法の評価原理を述べると共に、脳血管3D-CTA画像を対象に、その信頼性と逐次近似画像再構成法の有用性について検証した。","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"556","bibliographic_titles":[{"bibliographic_title":"第75回全国大会講演論文集"}],"bibliographicPageStart":"555","bibliographicIssueDates":{"bibliographicIssueDate":"2013-03-06","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2013"}]},"relation_version_is_last":true,"weko_creator_id":"6748"}}