{"updated":"2025-01-22T11:56:13.520337+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00041464","sets":["1164:3616:3652:3656"]},"path":["3656"],"owner":"1","recid":"41464","title":["電子透かしによる画質劣化の解析"],"pubdate":{"attribute_name":"公開日","attribute_value":"2001-03-02"},"_buckets":{"deposit":"8f6cbd5f-c4d0-46a4-a6bc-e254d9bc5be0"},"_deposit":{"id":"41464","pid":{"type":"depid","value":"41464","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"電子透かしによる画質劣化の解析","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"電子透かしによる画質劣化の解析"},{"subitem_title":"Analysis of the picture quality degradation by digital watermarking","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"2001-03-02","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"富山大学工学部電気電子システム工学科"},{"subitem_text_value":"富山大学工学部電気電子システム工学科"},{"subitem_text_value":"富山大学工学部電気電子システム工学科"},{"subitem_text_value":"富山大学工学部電気電子システム工学科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Department of Electrical and Electronic Engineering, Faculty of Engineering, Toyama University","subitem_text_language":"en"},{"subitem_text_value":"Department of Electrical and Electronic Engineering, Faculty of Engineering, Toyama University","subitem_text_language":"en"},{"subitem_text_value":"Department of Electrical and Electronic Engineering, Faculty of Engineering, Toyama University","subitem_text_language":"en"},{"subitem_text_value":"Department of Electrical and Electronic Engineering, Faculty of Engineering, Toyama University","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/41464/files/IPSJ-AVM00032014.pdf"},"date":[{"dateType":"Available","dateValue":"2003-03-02"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-AVM00032014.pdf","filesize":[{"value":"596.0 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":"26894621-f24f-4013-8b0a-442b1d73d134","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2001 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"堀田, 裕弘"},{"creatorName":"大西淳一"},{"creatorName":"阿蘇, 賢一朗"},{"creatorName":"村井, 忠邦"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Horita, Yuukou","creatorNameLang":"en"},{"creatorName":"0Hnishi, Jun'Ichi","creatorNameLang":"en"},{"creatorName":"Aso, Ken'Ichiro","creatorNameLang":"en"},{"creatorName":"Murai, Tadakuni","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":"著作権保護のための1つのアプローチとして，画像や映像シーケンスへ電子透かしとして知られている目に見えない信号を埋め込む方法がある．電子透かしのアルゴリズムの1つとして，ウェーブレット変換によって画像を階層分解し，その最低周波数成分に透かし情報を埋め込む方法がある．本稿は，この透かし情報を埋め込むことにより伴う画質劣化の品質評価に注目する．この画質劣化の評価方法は，主観的な画質評価値に関連している画質評価モデルに基づいて行う．透かし情報の埋め込み強度とフィルタバンクの種類，階層分解の数と主観的な画質評価値との関係を考察する．さらに，この考察をJPEG符号化された埋め込み画像に対しても行う．","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"One approach for copyright protection is to introduce an invisible signal, known as a digital watermark, into an image and video sequence. As one of the algorithm of watermarking, there is the method of carrying out the hierarchal decomposition of the picture by Wavelet transformation, then embedding the watermark information through its minimum frequency component. This paper focuses on the estimation of the picture quality degradation which is accompanied by embedding watermark information. This estimation method of the picture quality degradation is based on the quality evaluation model which is associated with the subjective quality evaluation. The relations between the embedding intensity of watermark information, the kind of filter bank, the number of hierarchal decompositions, and quality evaluation value are considered. This consideration is also applied to JPEG coded pictures.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"82","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":"77","bibliographicIssueDates":{"bibliographicIssueDate":"2001-03-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"19(2000-AVM-032)","bibliographicVolumeNumber":"2001"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"created":"2025-01-18T23:08:19.817531+00:00","id":41464,"links":{}}