{"created":"2025-01-19T01:26:53.796018+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00227640","sets":["1164:3206:11201:11344"]},"path":["11344"],"owner":"44499","recid":"227640","title":["XRアプリケーションに向けた視認性を考慮した半透明レンダリング"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-09-09"},"_buckets":{"deposit":"f5ed254a-ae5e-411e-9c9a-3541ff2c8f76"},"_deposit":{"id":"227640","pid":{"type":"depid","value":"227640","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"XRアプリケーションに向けた視認性を考慮した半透明レンダリング","author_link":["606608","606607","606606"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"XRアプリケーションに向けた視認性を考慮した半透明レンダリング"}]},"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":"2023-09-09","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学"},{"subitem_text_value":"NTTコミュニケーション科学基礎研究所"},{"subitem_text_value":"東京大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"The University of Tokyo","subitem_text_language":"en"},{"subitem_text_value":"NTT Communication Science Laboratories","subitem_text_language":"en"},{"subitem_text_value":"The University of Tokyo","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/227640/files/IPSJ-CG23191003.pdf","label":"IPSJ-CG23191003.pdf"},"date":[{"dateType":"Available","dateValue":"2025-09-09"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CG23191003.pdf","filesize":[{"value":"4.5 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":"9633d94d-7232-45b7-bbfe-611c633790b6","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":"小林, 知幾"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"吹上, 大樹"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大石, 岳史"}],"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":"Extended Reality（XR）は，現実環境に仮想コンテンツを重ね合わせ，ユーザーとの相互作用を可能にする技術である．XR では，状況により仮想情報を半透明な方法で表示し，現実の物体や人物が隠れないようにする必要がある．この際の課題の 1 つは，コンテンツの見えやすさが物理的な透明度設定だけでなく，重ね合わされる現実環境の色やテクスチャによっても影響されることである．最近の研究では，人間の視覚システムの特性を考慮した視認性予測モデルに基づいて，2 つの画像を合成する技術が提案されている．ただし，この技術は，アルファマップの反復的最適化を必要とするため，リアルタイムの表示には適していない．この問題に対処するために，我々は U-Net スタイルのニューラルネットワークを使用して，前述の技術の反復的最適化プロセスを効果的に近似する半透明合成手法を提案する．さらに，仮想コンテンツが半透明なオブジェクトである場合にも適用できるように，視認性予測モデルを改良する．提案手法により，XR アプリケーションに必要な処理速度を実現しながら，視認性を考慮したアルファマップの生成が可能となる．","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グラフィックスとビジュアル情報学（CG）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2023-09-09","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicVolumeNumber":"2023-CG-191"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":227640,"updated":"2025-01-19T12:06:51.770813+00:00","links":{}}