{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00224535","sets":["1164:3206:11201:11241"]},"path":["11241"],"owner":"44499","recid":"224535","title":["経路の前計算による経路追跡法の高速化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-20"},"_buckets":{"deposit":"47214b45-b90e-49ee-b3b0-891341416c58"},"_deposit":{"id":"224535","pid":{"type":"depid","value":"224535","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"経路の前計算による経路追跡法の高速化","author_link":["592265","592266","592267"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"経路の前計算による経路追跡法の高速化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"レンダリング ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2023-02-20","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京工科大学大学院"},{"subitem_text_value":"東京工科大学大学院／プロメテックCGリサーチ"},{"subitem_text_value":"東京工科大学大学院／プロメテックCGリサーチ"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Tokyo University of Technology","subitem_text_language":"en"},{"subitem_text_value":"Tokyo University of Technology / Prometech CG Research","subitem_text_language":"en"},{"subitem_text_value":"Tokyo University of Technology / Prometech CG Research","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/224535/files/IPSJ-CG23189020.pdf","label":"IPSJ-CG23189020.pdf"},"date":[{"dateType":"Available","dateValue":"2025-02-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CG23189020.pdf","filesize":[{"value":"4.2 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":"28"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"6ae445cc-e3cd-4ff7-a7f1-5d4dfd99842f","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"野際, 一矢"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"盧, 承鐸"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"柿本, 正憲"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10100541","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":"2188-8949","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"経路追跡法はカメラからレイを飛ばし，光の経路を構築することで大域照明効果を計算するレンダリング手法である．しかし，ノイズの少ない画像を生成するには多数の経路を構築する必要があるため計算には多くの時間がかかる．本研究では前計算として，物体表面を領域に分割し，各領域の中心から全方向にレイを飛ばし追跡することで経路の事前構築をおこなう．カメラから経路を追跡する際は，構築した経路を利用する．これによりレイとの交差判定計算が省略され，経路の構築時間が短縮される．標準的な最適化がされた経路追跡法と提案手法を比較すると，分割した領域が露呈するアーティファクトが生じるものの，実行速度は約 2 倍向上した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"4","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータグラフィックスとビジュアル情報学（CG）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-02-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"20","bibliographicVolumeNumber":"2023-CG-189"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:24:06.713039+00:00","updated":"2025-01-19T13:06:35.538266+00:00","id":224535}