{"created":"2023-05-15T10:27:11.943807+00:00","id":22544,"links":{},"metadata":{"_buckets":{"deposit":"2891d0e2-3d47-40bb-a2cb-68344b501a32"},"_deposit":{"created_by":1,"id":"22544","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"22544"},"status":"published"},"_oai":{"id":"oai:u-fukui.repo.nii.ac.jp:00022544","sets":["2403:2404"]},"author_link":["65291","65285","65289","65286","65290","65292","65288","65287"],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005-01-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicPageEnd":"38","bibliographicPageStart":"23","bibliographicVolumeNumber":"88-A","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"動画像に対する一般的な時間スケーラブル符号化は,等間隔のフレーム列である基本レイヤと,その間に等間隔にフレームを配置した拡張レイヤによって実現されており、したがって拡張レイヤにおいて取り得るフレームレートは基本レイヤのフレームレートに依存した強い制限を受ける.一方,動画像はほぼ静止しているシーンから逆に激しい動きを伴うシーンまで様々な動きのactivityを有するシーンから構成されているため,基本レイヤのフレーム間の動きに応じてフレームを適応的に挿入することにより,拡張レイヤを構成する際の自由度が高くなり,柔軟なフレーム間隔の制御が可能となる.本論文では,フレーム間の動きベクトルの統計量として得られる特徴量を利用し,フレーム間隔を適応的に制御する新しい手法を提案する.まず,定フレームレートの人工動画像を用いた主観評価実験とその統計処理によって,動きの特徴量とフレーム挿入の必要性との関係を定式化する.次に,この結果を利用し,定レートのフレーム列に適応的にフレームを挿入することで時間方向の主観画質,すなわち動きの滑らかさを改善する手法を提案する.最後に,得られた不等間隔フレーム列の生成手法を実画像に適用し,その有効性を確認する.","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"社団法人電子情報通信学会"}]},"item_10001_relation_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"TD00006906","subitem_relation_type_select":"NCID"}}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"9135707","subitem_source_identifier_type":"ISSN"}]},"item_10001_version_type_20":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_b1a7d7d4d402bcce","subitem_version_type":"AO"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"宮田, 高導"}],"nameIdentifiers":[{"nameIdentifier":"65285","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"溝口, 祐介"}],"nameIdentifiers":[{"nameIdentifier":"65286","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"吉田, 俊之"}],"nameIdentifiers":[{"nameIdentifier":"65287","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"酒井, 善則"}],"nameIdentifiers":[{"nameIdentifier":"65288","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"MIYATA, Takamichi","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"65289","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"MIZOGUCHI, Yusuke","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"65290","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"YOSHIDA, Toshiyuki","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"65291","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"SAKAI, Yosinori","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"65292","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2020-08-04"}],"displaytype":"detail","filename":"ugoki.pdf","filesize":[{"value":"1.6 MB"}],"format":"application/pdf","license_note":"〓 2005 電子情報通信学会","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ugoki.pdf","url":"https://u-fukui.repo.nii.ac.jp/record/22544/files/ugoki.pdf"},"version_id":"c864fc65-133f-45e3-b57a-77a07001a954"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"スケーラブル符号化","subitem_subject_scheme":"Other"},{"subitem_subject":"フレームレート","subitem_subject_scheme":"Other"},{"subitem_subject":"フレーム挿入","subitem_subject_scheme":"Other"},{"subitem_subject":"画質","subitem_subject_scheme":"Other"},{"subitem_subject":"主観評価","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"other","resourceuri":"http://purl.org/coar/resource_type/c_1843"}]},"item_title":"動きの特徴量に基づく動画像の適応的フレーム間隔制御(<小特集>ディジタルデータ付き論文小特集)","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"動きの特徴量に基づく動画像の適応的フレーム間隔制御(<小特集>ディジタルデータ付き論文小特集)"}]},"item_type_id":"10001","owner":"1","path":["2404"],"pubdate":{"attribute_name":"公開日","attribute_value":"2008-09-04"},"publish_date":"2008-09-04","publish_status":"0","recid":"22544","relation_version_is_last":true,"title":["動きの特徴量に基づく動画像の適応的フレーム間隔制御(<小特集>ディジタルデータ付き論文小特集)"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-05-15T12:59:25.691272+00:00"}