{"created":"2025-01-18T23:08:09.716878+00:00","updated":"2025-01-22T12:02:21.234551+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00041241","sets":["1164:3616:3637:3639"]},"path":["3639"],"owner":"1","recid":"41241","title":["MPEG ? 4 AVC／H.264におけるCPBバッファを考慮した符号量制御方式"],"pubdate":{"attribute_name":"公開日","attribute_value":"2004-10-01"},"_buckets":{"deposit":"d12a24ee-0efc-4cbb-aa46-666350541426"},"_deposit":{"id":"41241","pid":{"type":"depid","value":"41241","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"MPEG ? 4 AVC／H.264におけるCPBバッファを考慮した符号量制御方式","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"MPEG ? 4 AVC／H.264におけるCPBバッファを考慮した符号量制御方式"},{"subitem_title":"Optimal Rate Control Scheme in MPEG - 4 AVC/H.264 with Considering CPB Buffer","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2004-10-01","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"株式会社KDDI研究所映像通信グループ"},{"subitem_text_value":"株式会社KDDI研究所映像通信グループ"},{"subitem_text_value":"株式会社KDDI研究所映像通信グループ"},{"subitem_text_value":"株式会社KDDI研究所映像通信グループ"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"KDDI R&D Labs Inc. Visual Communication Group.","subitem_text_language":"en"},{"subitem_text_value":"KDDI R&D Labs Inc. Visual Communication Group.","subitem_text_language":"en"},{"subitem_text_value":"KDDI R&D Labs Inc. Visual Communication Group.","subitem_text_language":"en"},{"subitem_text_value":"KDDI R&D Labs Inc. Visual Communication Group.","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/41241/files/IPSJ-AVM04046005.pdf"},"date":[{"dateType":"Available","dateValue":"2006-10-01"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-AVM04046005.pdf","filesize":[{"value":"975.9 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"27"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"253c460d-c1a9-472f-8794-9bfe697478e8","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2004 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"松村, 篤志"},{"creatorName":"内藤, 整"},{"creatorName":"小池, 淳"},{"creatorName":"松本, 修一"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Atsushi, Matsumura","creatorNameLang":"en"},{"creatorName":"Sei, Naito","creatorNameLang":"en"},{"creatorName":"Atsushi, Koike","creatorNameLang":"en"},{"creatorName":"Shuichi, Matsumoto","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10438399","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_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"動画像符号化において適切な符号量制御は，画質向上のための重要な課題である．しかしながら，各ピクチャに対する符号量をあらかじめ決定した場合には，シーンチェンジなどに代表される前フレームとの相関が低いフレームにおいて画質が著しく劣化してしまうという問題がある．この問題を解決するため，本発表では目標符号量を定義した上で，符号化対象フレームの性質，およびマクロブロックタイプを考慮に入れた符号量制御方式を新たに提案する．また，実験により提案方式の有効性の検証を行う．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"Appropriate bit-rate controlling is very important to improve video image qualities. However, deciding the bit-rate of each picture In advanced leads the degradation of image qualities in case the frame requires large amount of motion compensation value such aBs scene changes. To solve the problem, this paper proposes a novel bit-rate control method, which considers the available bits in encoded GOP and the nature of the encoded frames. Moreover, the effectiveness of the proposed method is evaluated by several experimental results.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"30","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告オーディオビジュアル複合情報処理（AVM）"}],"bibliographicPageStart":"25","bibliographicIssueDates":{"bibliographicIssueDate":"2004-10-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"99(2004-AVM-046)","bibliographicVolumeNumber":"2004"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":41241,"links":{}}