{"created":"2023-05-15T12:35:59.009008+00:00","id":5122,"links":{},"metadata":{"_buckets":{"deposit":"124504c0-2b97-42ac-b014-9ecc969b8b1a"},"_deposit":{"created_by":91,"id":"5122","owners":[91],"pid":{"revision_id":0,"type":"depid","value":"5122"},"status":"published"},"_oai":{"id":"oai:nitech.repo.nii.ac.jp:00005122","sets":["31"]},"author_link":["8551","17171","8551","17169"],"item_10001_alternative_title_24":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"オンセイ　ビデオ　デンソウ　ニオケル　メディア　ドウキ　オ　タイショウトシタ　ユーザ　レベル　QoS　ノ　テイリョウテキ　ヒョウカ　オヨビ　マッピング","subitem_alternative_title_language":"ja-Kana"},{"subitem_alternative_title":"Quantitative Evaluation and Mapping of User-level QoS Focusing on Media Synchronization in Audio-Video Transmission","subitem_alternative_title_language":"en"}]},"item_10001_biblio_info_28":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2003-03-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"498","bibliographicPageStart":"485","bibliographicVolumeNumber":"J86-B","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌. B, 通信","bibliographic_titleLang":"ja"}]}]},"item_10001_description_36":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"本論文では，心理学的測定法である一対比較法と比較判断の法則を用いて，音声・ビデオ伝送におけるメディア同期を対象としたユーザレベルQoSパラメータを評価する方法を提案する．また，重回帰分析を用いて，測定により得られたアプリケーションレベル QoSパラメータ値から，ユーザレベルQoSパラメータ値を推定する方法についても検討する．実験により，ユーザレベルQoSパラメータ値の算出を行い，適合度検定の結果からその妥当性を確認している．また，主成分分析により，メディア同期品質に関する評価尺度のなかから，二つをアプリケーションレベル QoSパラメータとして選択している．そして，重回帰分析によって，これら二つのアプリケーションレベルQoSパラメータからユーザレベルQoSパラメータの推定を行っている．重回帰分析の結果，自由度調整済み寄与率は0.96以上の値となり，ユーザレベルQoSパラメータを高い精度で推定できることを示している．","subitem_description_language":"ja","subitem_description_type":"Other"}]},"item_10001_full_name_27":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"8551","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"1000050335098","nameIdentifierScheme":"NRID","nameIdentifierURI":"http://rns.nii.ac.jp/nr/1000050335098"}],"names":[{"name":"Ito, Yoshihiro"}]},{"nameIdentifiers":[{"nameIdentifier":"17171","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Tasaka, Shuji"}]}]},"item_10001_publisher_29":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Institute of Electronics, Information and Communication Engineers","subitem_publisher_language":"en"}]},"item_10001_source_id_30":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1344-4697","subitem_source_identifier_type":"ISSN"}]},"item_10001_source_id_32":{"attribute_name":"item_10001_source_id_32","attribute_value_mlt":[{"subitem_source_identifier":"AA11325909","subitem_source_identifier_type":"NCID"}]},"item_10001_version_type_33":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"伊藤, 嘉浩"},{"creatorName":"イトウ, ヨシヒロ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"8551","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"1000050335098","nameIdentifierScheme":"NRID","nameIdentifierURI":"http://rns.nii.ac.jp/nr/1000050335098"}]},{"creatorNames":[{"creatorName":"田坂, 修二"},{"creatorName":"タサカ, シュウジ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{"nameIdentifier":"17169","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":"2017-01-25"}],"displaytype":"detail","filename":"J86-B_485.pdf","filesize":[{"value":"495.9 kB"}],"format":"application/pdf","license_note":"Copyright (c) 2003 IEICE　http://search.ieice.org/index.html","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"本文_fulltext","url":"https://nitech.repo.nii.ac.jp/record/5122/files/J86-B_485.pdf"},"version_id":"0748959a-b44f-4b41-b0f7-d3de409a783d"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"item_resource_type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"音声・ビデオ伝送におけるメディア同期を対象としたユーザレベル QoSの定量的評価及びマッピング","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"音声・ビデオ伝送におけるメディア同期を対象としたユーザレベル QoSの定量的評価及びマッピング","subitem_title_language":"ja"}]},"item_type_id":"10001","owner":"91","path":["31"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2013-06-25"},"publish_date":"2013-06-25","publish_status":"0","recid":"5122","relation_version_is_last":true,"title":["音声・ビデオ伝送におけるメディア同期を対象としたユーザレベル QoSの定量的評価及びマッピング"],"weko_creator_id":"91","weko_shared_id":-1},"updated":"2025-03-19T04:25:32.173039+00:00"}