{"updated":"2025-01-19T17:55:57.480113+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00211039","sets":["1164:4088:10494:10571"]},"path":["10571"],"owner":"44499","recid":"211039","title":["掌紋認証システムにおける掌紋領域推定の改善"],"pubdate":{"attribute_name":"公開日","attribute_value":"2021-05-06"},"_buckets":{"deposit":"63e56055-9e66-4c24-8349-0cb256eca0f8"},"_deposit":{"id":"211039","pid":{"type":"depid","value":"211039","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"掌紋認証システムにおける掌紋領域推定の改善","author_link":["535537","535534","535530","535527","535532","535529","535535","535533","535531","535528","535536"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"掌紋認証システムにおける掌紋領域推定の改善"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"CSEC","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2021-05-06","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"静岡大学情報学部"},{"subitem_text_value":"静岡大学大学院総合科学研究科"},{"subitem_text_value":"静岡大学大学院総合科学研究科"},{"subitem_text_value":"静岡大学情報学部"},{"subitem_text_value":"静岡大学大学院総合科学研究科"},{"subitem_text_value":"株式会社KDDI総合研究所"},{"subitem_text_value":"株式会社KDDI総合研究所"},{"subitem_text_value":"株式会社KDDI総合研究所"},{"subitem_text_value":"株式会社KDDI総合研究所"},{"subitem_text_value":"静岡大学大学院総合科学研究科"},{"subitem_text_value":"静岡大学大学院総合科学研究科"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Faculty of Informatics, Shizuoka University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Integrated Science and Technology, Shizuoka University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Integrated Science and Technology, Shizuoka University","subitem_text_language":"en"},{"subitem_text_value":"Faculty of Informatics, Shizuoka University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Integrated Science and Technology, Shizuoka University","subitem_text_language":"en"},{"subitem_text_value":"KDDI Research, Inc.","subitem_text_language":"en"},{"subitem_text_value":"KDDI Research, Inc.","subitem_text_language":"en"},{"subitem_text_value":"KDDI Research, Inc.","subitem_text_language":"en"},{"subitem_text_value":"KDDI Research, Inc.","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Integrated Science and Technology, Shizuoka University","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Integrated Science and Technology, Shizuoka 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/211039/files/IPSJ-IOT21053017.pdf","label":"IPSJ-IOT21053017.pdf"},"date":[{"dateType":"Available","dateValue":"2023-05-06"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-IOT21053017.pdf","filesize":[{"value":"714.7 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修也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中原, 正隆"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"馬場, 昭"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"三宅, 優"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大木, 哲史"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"西垣, 正勝"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12326962","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_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8787","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"掌紋認証は,人間の手のひらの紋様を利用した生体認証メカニズムである.特殊な装置を用意する必要はなく,スマートフォン等のカメラを用いて非接触で認証を行うことができ,かつ,生体情報を提示する際のユーザの心理的負荷が比較的小さいため,利便性,受容性に優れる.掌紋認証においては,掌紋領域をいかに安定して抽出できるか(抽出安定性),いかに良質な掌紋領域を抽出できるか(領域良質性)の両者が重要となる.上松らは,指間の線を検出することで,認証に用いる掌紋領域を決定する手法を提案した.しかし,指の形状の影響を大きく受け,往々にして誤った領域が掌紋領域として抽出されてしまうため,抽出安定性が不十分であった.そこで新田らは,機械学習に基づく骨格推定技術を用いてこの課題を改善し,より安定的に掌紋領域を切り出す手法を提案した.一方でこれらの手法においては,領域良質性に関しては検討が行われていない.そこで本稿では,新田らの手法をベースに,手のひらにおいて「本人・他人間の差異が大きく(異ユーザにおいては,人ごとに特徴量の差が大きい),かつ,本人内の変動が小さい(同一ユーザにおいては,手指の形状や撮影の状況の違いによる特徴量の変化が小さい)領域について検討し,抽出安定性と領域良質性の両者を満たす掌紋領域推定手法を検討した.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","bibliographic_titles":[{"bibliographic_title":"研究報告インターネットと運用技術(IOT)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2021-05-06","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"17","bibliographicVolumeNumber":"2021-IOT-53"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"created":"2025-01-19T01:12:14.050695+00:00","id":211039,"links":{}}