{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00203675","sets":["1164:3980:10105:10106"]},"path":["10106"],"owner":"44499","recid":"203675","title":["主電動機磁励音を用いた鉄道乗車位置推定手法の設計と評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2020-03-02"},"_buckets":{"deposit":"520e8b62-87af-4d5d-9fbe-c8b79392f867"},"_deposit":{"id":"203675","pid":{"type":"depid","value":"203675","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"主電動機磁励音を用いた鉄道乗車位置推定手法の設計と評価","author_link":["502806","502808","502810","502805","502809","502807"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"主電動機磁励音を用いた鉄道乗車位置推定手法の設計と評価"}]},"item_type_id":"4","publish_date":"2020-03-02","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"九州大学大学院システム情報科学研究院"},{"subitem_text_value":"九州大学大学院システム情報科学研究院"},{"subitem_text_value":"九州大学大学院システム情報科学研究院"},{"subitem_text_value":"九州大学大学院システム情報科学研究院"},{"subitem_text_value":"九州大学大学院システム情報科学研究院"},{"subitem_text_value":"九州大学大学院システム情報科学研究院"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"ISEE, Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"ISEE, Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"ISEE, Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"ISEE, Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"ISEE, Kyushu University","subitem_text_language":"en"},{"subitem_text_value":"ISEE, Kyushu 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 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佑貴"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"石田, 繁巳"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"内野, 雅人"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"安藤, 崇央"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"荒川, 豊"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"福田, 晃"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11515904","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":"2188-8965","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年，鉄道電車内の混雑が社会的な問題となっており，電車内混雑に対する対策として各車両の混雑度に基づいた案内によって乗車人数の平均化を図るなどの方法が検討されている．この実現を目指した研究として，鉄道電車内の混雑具合を推定する研究が存在するが，車両情報の付与を手動に頼っており車両情報が付与されない場合は車両ごとの混雑具合を推定することが困難となる．そこで本研究では，自動で乗車車両を推定する手法を提案する．提案手法では駅プラットフォーム上に立つ鉄道利用者の持つ携帯端末を用いて電車走行音声を取得し，乗車車両の推定を行う．観測音声から主電動機が発する磁励音のみを分離した上で，磁励音の変化を機械学習することで外的雑音に対して頑健な乗車位置推定を実現する．実環境で収集した音声データを用いて評価を行なった結果，乗車車両位置を正解率 78%，平均誤差 0.28 車両で推定できたことを確認した．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告高度交通システムとスマートコミュニティ（ITS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2020-03-02","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2020-ITS-80"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":203675,"updated":"2025-01-19T20:29:00.516226+00:00","links":{},"created":"2025-01-19T01:06:01.433509+00:00"}