{"created":"2021-03-01T06:17:41.726794+00:00","id":10841,"links":{},"metadata":{"_buckets":{"deposit":"a21805ed-c96b-405e-9211-bf9510faf51f"},"_deposit":{"id":"10841","owners":[],"pid":{"revision_id":0,"type":"depid","value":"10841"},"status":"published"},"_oai":{"id":"oai:nagoya.repo.nii.ac.jp:00010841","sets":["320:321:322"]},"author_link":["32581","32582","32583","32584"],"item_10_alternative_title_19":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Extraction of Stomach Fold Regions from Abdominal X-Ray CT Images by Using 3-D Tophat Transformation","subitem_alternative_title_language":"en"}]},"item_10_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2002-07-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicPageEnd":"1258","bibliographicPageStart":"1250","bibliographicVolumeNumber":"J85-D-II","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌","bibliographic_titleLang":"ja"}]}]},"item_10_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"本論文では，3次元モフォロジー演算を用いて腹部X線CT像から胃壁ひだ領域を抽出する方法について述べる．胃がんの60％以上に，患部に向かって胃壁ひだが集中するという現象が見られる．このため，胃壁ひだの走行パターンは胃がんの診断の重要な手掛りになる．本論文で提案する方法は，前処理，ひだ強調，ひだ抽出の三つのステップからなり，特にひだ強調ステップには濃淡モフォロジー演算の一種である3次元トップハット変換を利用する．本手順を実際のCT像9例に適用したところ，従来よりも良好な結果が得られた．また，撮影時の姿勢や，服用する発泡剤の量を変化させた試料を用いて，撮影環境の違いが抽出結果に与える影響も調べた．これらの結果は，3次元CT像による胃がん診断の可能性を検討する上で重要な知見となろう．","subitem_description_language":"ja","subitem_description_type":"Abstract"}]},"item_10_identifier_60":{"attribute_name":"URI","attribute_value_mlt":[{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/2237/12686"},{"subitem_identifier_type":"URI","subitem_identifier_uri":"http://www.ieice.org/jpn/trans_online/index.html"}]},"item_10_publisher_32":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会","subitem_publisher_language":"ja"}]},"item_10_relation_43":{"attribute_name":"関連情報","attribute_value_mlt":[{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.ieice.org/jpn/trans_online/index.html","subitem_relation_type_select":"URI"}}]},"item_10_rights_12":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright 2002 IEICE","subitem_rights_language":"en"}]},"item_10_select_15":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_10_source_id_7":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0915-1923","subitem_source_identifier_type":"PISSN"}]},"item_10_text_14":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_text_value":"application/pdf"}]},"item_1615787544753":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"渡辺, 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