{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00217341","sets":["1164:3206:10884:10885"]},"path":["10885"],"owner":"44499","recid":"217341","title":["3次元メッシュの特異点を与えた沿ベクトル場パラメータ化"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-03-04"},"_buckets":{"deposit":"9182578c-84fa-4740-94fc-f5b1f026b2af"},"_deposit":{"id":"217341","pid":{"type":"depid","value":"217341","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"3次元メッシュの特異点を与えた沿ベクトル場パラメータ化","author_link":["562992","562993"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"3次元メッシュの特異点を与えた沿ベクトル場パラメータ化"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"顔画像処理とパラメタライズ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-03-04","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学"},{"subitem_text_value":"東京大学"}]},"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/217341/files/IPSJ-CG22185008.pdf","label":"IPSJ-CG22185008.pdf"},"date":[{"dateType":"Available","dateValue":"2024-03-04"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CG22185008.pdf","filesize":[{"value":"42.8 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":"28"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"167f4973-80ba-4835-af47-027e474ef91c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"野間, 裕太"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"川原, 圭博"}],"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":"幾何形状処理において，3 次元メッシュ上にスカラー関数を定義する「パラメータ化」と呼ばれる手法は近年盛んに研究されている．特に，入力されたベクトル場に対し，勾配ベクトルがなるべくベクトル場と等しくなるようなスカラー関数を定義する手法は「沿ベクトル場パラメータ化 (Field-Aligned Parameterization)」と呼ばれ，テクスチャマッピングや多角形メッシュの生成といった多様な応用が存在する．既存手法では，スカラー関数の等高線が分岐する「特異点」が大量に出現することを許すことで，パラメータ化の高速な計算を実現してきた．しかし，特異点は最終形状の美観や使われ方に関わる重要な要素である一方で，既存手法では特異点の発生を制御することはできず，また特異点に対するインタラクティブな操作を十分に高速に行うことができなかった．そこで本稿では，与えた点のみが特異点となりそれ以外は特異点とならないように指定して，沿ベクトル場パラメータ化を高速に計算できる手法を提案する．","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":"2022-03-04","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"8","bibliographicVolumeNumber":"2022-CG-185"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":217341,"updated":"2025-01-19T15:32:01.940967+00:00","links":{},"created":"2025-01-19T01:17:50.309598+00:00"}