{"links":{},"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00195874","sets":["1164:4619:9659:9791"]},"path":["9791"],"owner":"44499","recid":"195874","title":["表情認識による集中状態判断"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-05-23"},"_buckets":{"deposit":"af8952c6-74a1-4e12-bb31-89c2757c8296"},"_deposit":{"id":"195874","pid":{"type":"depid","value":"195874","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"表情認識による集中状態判断","author_link":["467926","467928","467927","467929"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"表情認識による集中状態判断"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"卒論スポットライトセッション","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2019-05-23","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"津田塾大学学芸学部情報科学科"},{"subitem_text_value":"津田塾大学学芸学部情報科学科"},{"subitem_text_value":"津田塾大学学芸学部情報科学科"},{"subitem_text_value":"津田塾大学学芸学部情報科学科"}]},"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/195874/files/IPSJ-CVIM19217035.pdf","label":"IPSJ-CVIM19217035.pdf"},"date":[{"dateType":"Available","dateValue":"2021-05-23"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CVIM19217035.pdf","filesize":[{"value":"1.1 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":"20"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"09e91f66-7e34-423e-b9fe-7fb1df39e103","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2019 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"高澤, 奈生"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"坂本, 彩"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大塚, 亜未"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"青柳, 達也"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11131797","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":"2188-8701","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本論文では，転移学習のアプローチを用いて，顔画像から集中している表情を認識する手法について述べる．転移学習とは，ある分野で学習済みのモデルを，別の分野で再利用する技術であるが，今回は Microsoft Azure の Face API を学習済みのモデルとして利用している．Face API とは，ある一枚の画像をデータとして渡すと，そこに映っている人物らの年齢や性別，感情の度合いなど，顔に関する様々な属性を推測してくれる API である．このFace API のモデルを再利用することによって，「顔画像から集中している表情を識別する」 問題を効率的に解決することを目指した．識別器の作成にあたっては，20 代の女子大学生 7 名の 「集中している状態」 と 「集中していない状態」 の顔画像を収集した．また，識別器の精度を高めるため，モデル選択，ラベル付けの方法，特徴量選択，ハイパーパラメータ選択の 4 つの観点において実験を行った．その結果，C=1000，γ=0.1 の RBFカーネルを利用した SVM 識別器が 95.80% と最も精度が高くなることがわかった．そして，この識別器を利用し，ユーザの集中状態を判定するアプリを作成した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"3","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータビジョンとイメージメディア（CVIM）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2019-05-23","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"35","bibliographicVolumeNumber":"2019-CVIM-217"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T22:54:08.241409+00:00","created":"2025-01-19T01:00:45.466182+00:00","id":195874}