{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00228519","sets":["6164:6165:7006:11378"]},"path":["11378"],"owner":"44499","recid":"228519","title":["音響センシングによる宅内スマートフォン被覆状態分類の精度向上に向けた改善"],"pubdate":{"attribute_name":"公開日","attribute_value":"2023-10-18"},"_buckets":{"deposit":"591797a4-13f7-4282-a391-539edecbd693"},"_deposit":{"id":"228519","pid":{"type":"depid","value":"228519","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"音響センシングによる宅内スマートフォン被覆状態分類の精度向上に向けた改善","author_link":["610031","610030","610029","610032"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"音響センシングによる宅内スマートフォン被覆状態分類の精度向上に向けた改善"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"音響センシング，スマートフォン，被覆状態","subitem_subject_scheme":"Other"}]},"item_type_id":"18","publish_date":"2023-10-18","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":"公立はこだて未来大学大学院システム情報科学研究科"},{"subitem_text_value":"公立はこだて未来大学システム情報科学部"},{"subitem_text_value":"日本電信電話株式会社アクセスサービスシステム研究所"},{"subitem_text_value":"日本電信電話株式会社アクセスサービスシステム研究所"}]},"item_18_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Systems Information Science, Future University Hakodate","subitem_text_language":"en"},{"subitem_text_value":"School of Systems Information Science, Future University Hakodate","subitem_text_language":"en"},{"subitem_text_value":"Access Network Service Systems Laboratories, Nippon Telegraph and Telephone Corporation","subitem_text_language":"en"},{"subitem_text_value":"Access Network Service Systems Laboratories, Nippon Telegraph and Telephone Corporation","subitem_text_language":"en"}]},"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/228519/files/IPSJ-DPSWS20230020.pdf","label":"IPSJ-DPSWS20230020.pdf"},"date":[{"dateType":"Available","dateValue":"2025-10-18"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DPSWS20230020.pdf","filesize":[{"value":"3.1 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":"34"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"f5aa4d2e-eb28-4046-b130-19d78daf839d","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2023 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"西, 陽也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"石田, 繁巳"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"村上, 友規"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"大槻, 信也"}],"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":"多くのスマートフォンユーザは宅内でスマートフォンを紛失した際にスマートフォンから音を鳴らし，その音を頼りにユーザが歩いて探す．しかしこの方法はユーザの感覚に頼っており，音が反響しやすい宅内では音源定位が難しく，発見までに時間と労力が必要になる．筆者らは，スマートスピーカを用いてスマートフォンの周辺状況を推定することでスマートフォンの発見を手助けする宅内スマートフォン捜索支援システムの開発を行っている．先行研究において，周辺状況の 1 つである被覆状態を音響センシングによって分類する手法を示したが，平均分類精度 0.66 と実環境での利用に向けて精度の向上が課題であった．そこで，本稿では被覆物体ごとに様々な周波数における調波構造が変化することに着目し，スイープ音を用いて抽出した特徴量を用いることで被覆状態分類精度を向上させる手法を提案する．先行研究と同様の実環境で収集したスイープ音データから提案する特徴量を抽出することで，被覆状態の平均分類精度 0.94 と大幅に精度を向上させることができた．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"151","bibliographic_titles":[{"bibliographic_title":"第31回マルチメディア通信と分散処理ワークショップ論文集"}],"bibliographicPageStart":"144","bibliographicIssueDates":{"bibliographicIssueDate":"2023-10-18","bibliographicIssueDateType":"Issued"}}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":228519,"updated":"2025-01-19T11:49:30.755964+00:00","links":{},"created":"2025-01-19T01:27:39.761821+00:00"}