{"created":"2025-01-18T23:08:06.543148+00:00","updated":"2025-01-22T12:04:29.970665+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00041173","sets":["1164:3616:3632:3634"]},"path":["3634"],"owner":"1","recid":"41173","title":["超高精細映像を対象とした高圧縮符号化における最大マクロブロックサイズの決定方式に関する一検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2005-10-07"},"_buckets":{"deposit":"4a0f534c-d5b5-4cc9-8ece-a1278730bd92"},"_deposit":{"id":"41173","pid":{"type":"depid","value":"41173","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"超高精細映像を対象とした高圧縮符号化における最大マクロブロックサイズの決定方式に関する一検討","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"超高精細映像を対象とした高圧縮符号化における最大マクロブロックサイズの決定方式に関する一検討"},{"subitem_title":"An Effective Maximum Macroblock Size Decision Scheme in High Compression Encoding for Super High Definition Images","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2005-10-07","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"株式会社KDDI研究所"},{"subitem_text_value":"株式会社KDDI研究所"},{"subitem_text_value":"株式会社KDDI研究所"},{"subitem_text_value":"株式会社KDDI研究所"}]},"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/41173/files/IPSJ-AVM05050006.pdf"},"date":[{"dateType":"Available","dateValue":"2007-10-07"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-AVM05050006.pdf","filesize":[{"value":"271.4 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":"e46ea4ae-0a24-410c-b07b-413c717ea03d","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2005 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":"川田亮一"},{"creatorName":"小池, 淳"}],"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":"RYOICHI, KAWADA","creatorNameLang":"en"},{"creatorName":"ATSUSHI, KOIKE","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":"4Kシステムに代表される超高精細映像は非圧縮時において膨大なデータ量となるため，同素材をビットレート制限下で伝送する際には高圧縮符号化が用いられる．これに対し筆者らは，H.264High Profileを用いた符号化における最大マクロブロックサイズを拡張することによって，より高効率な圧縮符号化を実現させるための方式を提案した．本稿では，同方式における最適な最大マクロブロックサイズを，過去の符号化結果に基づいて決定するための方式を提案する．また，シミュレーション実験により提案方式の評価を行ったので，その結果を報告する．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"High compression encoding is required in order to transmit super high definition videos, such as 4K systems, under the limited bit-rate because of their large data amounts. Therefore, the authors have proposed a scheme to improve the performance of H.264 High Profile encoding by extending maximum macroblock sizes. In this paper, a scheme to decide the appropriate maximum macroblock size by using the previously encoded results is proposed. 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":"34","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":"29","bibliographicIssueDates":{"bibliographicIssueDate":"2005-10-07","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"98(2005-AVM-050)","bibliographicVolumeNumber":"2005"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":41173,"links":{}}