{"links":{},"id":188600,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00188600","sets":["6504:9465:9481"]},"path":["9481"],"owner":"6748","recid":"188600","title":["Quad-directional LSTMを用いた音楽音響信号修復とその評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2018-03-13"},"_buckets":{"deposit":"f59c05e5-66b2-4382-ae7a-94d1d25a4347"},"_deposit":{"id":"188600","pid":{"type":"depid","value":"188600","revision_id":0},"owners":[6748],"status":"published","created_by":6748},"item_title":"Quad-directional LSTMを用いた音楽音響信号修復とその評価","author_link":["427985","427984","427986"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Quad-directional LSTMを用いた音楽音響信号修復とその評価"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"人工知能と認知科学","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2018-03-13","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東工大"},{"subitem_text_value":"東工大"},{"subitem_text_value":"東工大／ホンダRIJ"}]},"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/188600/files/IPSJ-Z80-3N-06.pdf","label":"IPSJ-Z80-3N-06.pdf"},"date":[{"dateType":"Available","dateValue":"2018-05-07"}],"format":"application/pdf","filename":"IPSJ-Z80-3N-06.pdf","filesize":[{"value":"1.0 MB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"97f9625d-fc09-4a4d-a042-7d23f927ab8c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2018 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"谷口, 亮輔"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"干場, 功太郎"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"中臺, 一博"}],"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_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"本稿ではLSTM(Long Short-Term Memory)を用いた音楽音響信号の修復法を提案し,実際の欠損に対しての修復性能の評価を行う.実際にLSTMを適用した場合,情報が比較的スパースである高域の学習が十分でなくなり,修復性能が劣化してしまう.この問題に対し,我々は,入力信号に対して高域を強調するような周波数フィルタを用いて,その解決を試みた.また,この手法の拡張として,時間方向のみではなく,周波数方向の系列情報も考慮することが可能な QLSTM(Quad-directional LSTM)を用いることを提案した.これらの手法を実際の欠損に対して適用し,評価を行った結果,提案手法は通常のLSTMと比較して,より詳細な修復が可能であるということを確認した.","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"172","bibliographic_titles":[{"bibliographic_title":"第80回全国大会講演論文集"}],"bibliographicPageStart":"171","bibliographicIssueDates":{"bibliographicIssueDate":"2018-03-13","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2018"}]},"relation_version_is_last":true,"weko_creator_id":"6748"},"created":"2025-01-19T00:54:43.973178+00:00","updated":"2025-01-20T01:58:38.220701+00:00"}