{"created":"2025-02-18T01:47:42.976054+00:00","id":2001118,"links":{},"metadata":{"_buckets":{"deposit":"1e9f00df-386e-40e2-beb1-f96b091511fb"},"_deposit":{"created_by":41,"id":"2001118","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2001118"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02001118","sets":["1730444917621"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"アダマール行列を鍵系列として用いた画像電子透かし法","subitem_title_language":"ja"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"濱野, 恵太","creatorNameLang":"ja"},{"creatorName":"Hamano, Keita","creatorNameLang":"en"}],"familyNames":[{"familyName":"濱野","familyNameLang":"ja"},{"familyName":"Hamano","familyNameLang":"en"}],"givenNames":[{"givenName":"恵太","givenNameLang":"ja"},{"givenName":"Keita","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"中本, 昌由","creatorNameLang":"ja"},{"creatorName":"Nakamoto, Masayoshi","creatorNameLang":"en"}],"familyNames":[{"familyName":"中本","familyNameLang":"ja"},{"familyName":"Nakamoto","familyNameLang":"en"}],"givenNames":[{"givenName":"昌由","givenNameLang":"ja"},{"givenName":"Masayoshi","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"雛元, 孝夫","creatorNameLang":"ja"},{"creatorName":"Hinamoto, Takao","creatorNameLang":"en"}],"familyNames":[{"familyName":"雛元","familyNameLang":"ja"},{"familyName":"Hinamoto","familyNameLang":"en"}],"givenNames":[{"givenName":"孝夫","givenNameLang":"ja"},{"givenName":"Takao","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"Copyright (c) 2007 by Authors"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"画像電子透かし","subitem_subject_scheme":"Other"},{"subitem_subject":"鍵系列","subitem_subject_scheme":"Other"},{"subitem_subject":"アダマール変換","subitem_subject_scheme":"Other"},{"subitem_subject":"焼きなまし法","subitem_subject_scheme":"Other"},{"subitem_subject":"SA","subitem_subject_scheme":"Other"},{"subitem_subject":"著作権保護","subitem_subject_scheme":"Other"},{"subitem_subject":"540","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"電子透かしは,対象のディジタルコンテンツに透かしデータを埋め込むことによって著作権を保護する手法である.本研究では,相関値を利用した画像電子透かし法に対し,アダマール変換された領域に透かし情報を埋め込む手法を提案する.一般に,変換核で用いられるアダマール行列は無数に存在するので,これを鍵系列として保持することにより,コンテンツ所有者の証とすることができる.また,焼きなまし法(SA)を用いることにより,各種攻撃の耐性を高めるためのアダマール行列(鍵系列)の設計法についても述べる.最後に,シミュレーションによって電子透かしのJPEG圧縮に対する耐性を示す.","subitem_description_language":"ja"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"電気・情報関連学会中国支部"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_1617186920753":{"attribute_name":"Source 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