{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00224519","sets":["1164:3206:11201:11241"]},"path":["11241"],"owner":"44499","recid":"224519","title":["高周波の照明と影を考慮した人物全身画像の再照明"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-02-20"},"_buckets":{"deposit":"2b21c6ef-0121-4573-8711-63c2ab459ae2"},"_deposit":{"id":"224519","pid":{"type":"depid","value":"224519","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"高周波の照明と影を考慮した人物全身画像の再照明","author_link":["592227","592225","592226"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"高周波の照明と影を考慮した人物全身画像の再照明"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"レンダリング・アニメーション","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":"筑波大学"},{"subitem_text_value":"筑波大学"},{"subitem_text_value":"筑波大学"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"University of Tsukuba","subitem_text_language":"en"},{"subitem_text_value":"University of Tsukuba","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/224519/files/IPSJ-CG23189004.pdf","label":"IPSJ-CG23189004.pdf"},"date":[{"dateType":"Available","dateValue":"2025-02-20"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CG23189004.pdf","filesize":[{"value":"36.4 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":"602b7f8a-acaa-4ed3-9436-fac630a3b9cc","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":"田島, 大地"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"金森, 由博"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"遠藤, 結城"}],"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":"ニューラルネットを用いた人物全身画像の再照明手法が注目されている．既存手法では視覚的に重要な影や光沢を，それらが生じる原理を陽に考慮せずニューラルネットで近似的に計算している．しかし，低周波の影や光沢しか復元できなかったり，影や光沢のバリエーションを十分に学習できず，光源の入射方向が変わるとチラつきが生じたりといった課題がある．本研究では，照明計算を陽に考慮した定式化により，高周波の影や光沢をチラつきなしに再現する教師あり学習ベースの再照明手法を提案する．照明計算の定式化として，環境光源を一定数の面光源の集合として近似し，高周波成分を含む影と光沢を計算する．入力画像から，深度マップおよび照明計算に必要な成分をニューラルネットで推定し，再照明に用いる．提案手法により，既存手法では再現の難しかった高周波の影と光沢を尤もらしく再現できることを示す．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","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":"4","bibliographicVolumeNumber":"2023-CG-189"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:24:05.801382+00:00","updated":"2025-01-19T13:06:53.388274+00:00","id":224519}