{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00241149","sets":["1164:4619:11539:11858"]},"path":["11858"],"owner":"44499","recid":"241149","title":["点群圧縮における品質改善のための色アップサンプリング"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-11-22"},"_buckets":{"deposit":"dcee909f-11ba-46eb-976c-15f0cc7dea01"},"_deposit":{"id":"241149","pid":{"type":"depid","value":"241149","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"点群圧縮における品質改善のための色アップサンプリング","author_link":["663408","663409"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"点群圧縮における品質改善のための色アップサンプリング"}]},"item_type_id":"4","publish_date":"2024-11-22","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"株式会社KDDI総合研究所"},{"subitem_text_value":"株式会社KDDI総合研究所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"KDDI Research, Inc.","subitem_text_language":"en"},{"subitem_text_value":"KDDI Research, Inc.","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/241149/files/IPSJ-CVIM24239004.pdf","label":"IPSJ-CVIM24239004.pdf"},"date":[{"dateType":"Available","dateValue":"2026-11-22"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CVIM24239004.pdf","filesize":[{"value":"10.2 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":"20"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"51b352a2-6f64-4c1a-8bfa-473c7e6e39a4","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"松﨑, 康平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"野中, 敬介"}],"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":"本稿では，圧縮によって歪が生じた点群の品質改善を目的とした，点群の色アップサンプリングについて検討を行う．従来の点群の色アップサンプリング手法は幾何的な距離に基づいて点の色を予測する．しかし，物体のテクスチャでは距離が近い場合であっても色が大きく変化する可能性があるため，ぼけやノイズが発生することが多い．本稿では近傍点に対する注意重みを用いた点群の色アップサンプリング手法を提案する．提案手法は，はじめに高解像度点の近傍に位置する低解像度点の色と予測された重みに基づいて粗い色付けを行う．さらに，低解像度点から得られる集約特徴を用いて高解像度点に対するオフセットを予測することにより，色を補正する．実世界環境で取得されたデータセットを用いた定量的および定性的な実験結果は，提案手法が最先端手法と比べて優れた色アップサンプリング性能を達成することを示した．","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":"2024-11-22","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"2024-CVIM-239"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:45:45.155710+00:00","updated":"2025-01-19T07:43:44.691928+00:00","id":241149}