{"created":"2025-01-19T01:47:19.135862+00:00","updated":"2025-01-19T07:23:27.319599+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00242233","sets":["1164:4619:11919:11920"]},"path":["11920"],"owner":"44499","recid":"242233","title":["レイトレーシングを用いた照明の光線制御における迷光の低減に関する検証"],"pubdate":{"attribute_name":"公開日","attribute_value":"2025-01-14"},"_buckets":{"deposit":"975d313f-a8e6-47c2-9987-82b9af27bdb2"},"_deposit":{"id":"242233","pid":{"type":"depid","value":"242233","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"レイトレーシングを用いた照明の光線制御における迷光の低減に関する検証","author_link":["668546","668547"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"レイトレーシングを用いた照明の光線制御における迷光の低減に関する検証"}]},"item_type_id":"4","publish_date":"2025-01-14","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京科学大学"},{"subitem_text_value":"東京科学大学"}]},"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/242233/files/IPSJ-CVIM25240007.pdf","label":"IPSJ-CVIM25240007.pdf"},"date":[{"dateType":"Available","dateValue":"2027-01-14"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CVIM25240007.pdf","filesize":[{"value":"8.8 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"20"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"cea156cc-f861-4aca-bda0-512e7288d5ef","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2025 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岩瀧, 良太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"渡辺, 義浩"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11131797","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_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8701","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"投影対象に当たる光線を消灯し,周辺のみに光を当てるように光線制御した照明を利用することで,高コントラストなプロジェクションマッピングと明るい周辺環境を両立できる.さらに,光線制御にレイトレーシングを導入することで,リアルタイムでの高速な照明の光線制御が達成された.しかし,従来手法ではレイトレーシングの計算に利用する光線は実際の光線の拡がりを表現していないため,誤って対象に光が当たる迷光が発生する問題があった.本稿では,照明用プロジェクタの投影画像の1画素の計算に複数本の光線をレイトレーシングに用いることで迷光を低減する手法を提案し,光線制御の品質を検証する.さらに,提案手法にプロジェクションマッピング用の高速カラープロジェクタを導入して,明環境下でのダイナミックプロジェクションマッピングを実現し,その評価を行った.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータビジョンとイメージメディア(CVIM)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2025-01-14","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"7","bibliographicVolumeNumber":"2025-CVIM-240"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":242233,"links":{}}