{"updated":"2025-01-21T20:58:11.863436+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00077354","sets":["1164:2735:6337:6524"]},"path":["6524"],"owner":"10","recid":"77354","title":["進化型多目的最適化に基づく少数方向投影からのCT画像再構成"],"pubdate":{"attribute_name":"公開日","attribute_value":"2011-09-08"},"_buckets":{"deposit":"80dd6cbc-2379-4526-8b4e-419b58485a3e"},"_deposit":{"id":"77354","pid":{"type":"depid","value":"77354","revision_id":0},"owners":[10],"status":"published","created_by":10},"item_title":"進化型多目的最適化に基づく少数方向投影からのCT画像再構成","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"進化型多目的最適化に基づく少数方向投影からのCT画像再構成"},{"subitem_title":"CT image reconstruction from limited projections based on evolutionary multi-criterion optimization","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2011-09-08","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"室蘭工業大学大学院情報電子工学系専攻"},{"subitem_text_value":"室蘭工業大学しくみ情報系領域"},{"subitem_text_value":"室蘭工業大学しくみ情報系領域"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information and Electronic Engineering, Muroran Institute of Technology.","subitem_text_language":"en"},{"subitem_text_value":"Department of Information and Electronic Engineering, Muroran Institute of Technology.","subitem_text_language":"en"},{"subitem_text_value":"Department of Information and Electronic Engineering, Muroran Institute of Technology.","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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/77354/files/IPSJ-MPS11085014.pdf"},"date":[{"dateType":"Available","dateValue":"2013-09-08"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-MPS11085014.pdf","filesize":[{"value":"535.1 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"17"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"a8f1d446-07ac-4bc1-8fc4-15fc93ac99bc","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2011 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"大江, 将悟"},{"creatorName":"渡邉, 真也"},{"creatorName":"塩谷, 浩之"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Shogo, Ohe","creatorNameLang":"en"},{"creatorName":"Shinya, Watanabe","creatorNameLang":"en"},{"creatorName":"Hiroyuki, Shioya","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10505667","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"投影方向の限定されたコンピュータトモグラフィ (Computed Tomography, CT) である少数投影 CT は逆問題の 1 種であり，欠損情報を推定することにより内部画像の再構成を行う．本研究では，この問題に対して GS アルゴリズム (Gerchberg-Saxton algorithm) と進化型多目的最適化手法 (Evolutionary Multi-criterion Optimization, EMO) を組み合わせた新たな手法を提案する．これは解の一意性が保証されず，実空間・逆空間の双方の空間において拘束条件が存在する少数投影 CT に対して，多点に基づく多目的の枠組みで最適化を行う EMO が親和的に機能すると考えられるからである．本研究では，上記の提案手法を用いて性質と解像度の異なる 3 種類の画像に対して数値実験を行ない，その有効性を検証した．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Sparse angular Computed Tomography (CT) reconstruction is a kind of inverse problem. The missing information resulting from limited projections should be estimated to reconstruct a cross-section image of an object. This paper proposes a new hybrid type approach for this problem based on the Gerchberg - Saxton algorithm (GS algorithm) and Evolutionary Multicriterion Optimisation (EMO). Restraint conditions of this problem lie on two different domain (the object domain and the Fourier domain) and this problem has the feature of non-uniqueness of solutions, therefore the approach based on EMO seems to be suitable for applying this problem. In this paper, the characteristics and effectiveness of the proposed approachs are presented through simple examples, which have different resolution.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告数理モデル化と問題解決（MPS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2011-09-08","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"14","bibliographicVolumeNumber":"2011-MPS-85"}]},"relation_version_is_last":true,"weko_creator_id":"10"},"created":"2025-01-18T23:32:57.128981+00:00","id":77354,"links":{}}