{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00193528","sets":["6164:6165:6640:9657"]},"path":["9657"],"owner":"44499","recid":"193528","title":["色恒常性を利用したカラー CAPTCHA の検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-06-27"},"_buckets":{"deposit":"b244acde-1a8f-479c-a5c0-4466f85b6606"},"_deposit":{"id":"193528","pid":{"type":"depid","value":"193528","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"色恒常性を利用したカラー CAPTCHA の検討","author_link":["453768","453765","453767","453769","453770","453766"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"色恒常性を利用したカラー CAPTCHA の検討"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"サイバーセキュリティ","subitem_subject_scheme":"Other"}]},"item_type_id":"18","publish_date":"2018-06-27","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"宮崎大学"},{"subitem_text_value":"宮崎大学"},{"subitem_text_value":"宮崎大学"},{"subitem_text_value":"宮崎大学"},{"subitem_text_value":"神奈川工科大学"},{"subitem_text_value":"宮崎大学"}]},"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/193528/files/IPSJ-DICOMO2018101.pdf","label":"IPSJ-DICOMO2018101.pdf"},"date":[{"dateType":"Available","dateValue":"2020-06-27"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DICOMO2018101.pdf","filesize":[{"value":"2.0 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"bbdfa826-732a-4afc-9397-1c1654b33537","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2018 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"臼崎, 翔太郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"油田, 健太郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"山場, 久昭"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"椋木, 雅之"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"朴, 美娘"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡崎, 直宣"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart) において，機械耐性のために妨害を加えても人間の正答率が保証されることが重要な要件となる．我々は色恒常性の 「機械的に再現が困難である」 点と 「物体表面色が変化しても本来の色を認識できる」 点に着目し，人間に影響を与えない妨害が可能な CAPTCHA を検討した．評価実験では，CAPTCHA として非現実的な色妨害が施されていても色恒常性が働くかを検証した．具体的には，色妨害の加えられた画像を見たグループと，色妨害の加えられていない画像を見たグループ間で κ 係数を用いて判定の一致度を検証した．実験の結果，κ 係数は 0.81 以上となり，高い一致度であることが分かった．この結果から，提案手法は人間の認識能力に影響を与えない妨害が可能な CAPTCHA の形態である可能性が示された．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"671","bibliographic_titles":[{"bibliographic_title":"マルチメディア，分散協調とモバイルシンポジウム2018論文集"}],"bibliographicPageStart":"664","bibliographicIssueDates":{"bibliographicIssueDate":"2018-06-27","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2018"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":193528,"updated":"2025-01-19T23:53:44.512527+00:00","links":{},"created":"2025-01-19T00:58:44.950019+00:00"}