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肺音信号のスパース表現と断続音分離への応用
http://hdl.handle.net/10069/24635
http://hdl.handle.net/10069/246359d633850-1909-4547-b901-5ca244037896
名前 / ファイル | ライセンス | アクション |
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41_76_8.pdf (1.4 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2011-02-10 | |||||
タイトル | ||||||
タイトル | 肺音信号のスパース表現と断続音分離への応用 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | respiratory system diagnosis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | electronic auscultation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | source separation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | compressed sensing | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
酒井, 智弥
× 酒井, 智弥× 里元, はるか× 喜安, 千弥× 宮原, 末治 |
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著者別名 | ||||||
姓名 | Sakai, Tomoya | |||||
著者別名 | ||||||
姓名 | Satomoto, Haruka | |||||
著者別名 | ||||||
姓名 | Kiyasu, Senya | |||||
著者別名 | ||||||
姓名 | Miyahara, Sueharu | |||||
その他のタイトル | ||||||
その他のタイトル | Sparse Representation of Lung Sound Signals with Application to Separation of Crackles | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper reports on preliminary analysis of pulmonary auscultation sounds via sparse representation of the sound signals for diagnostic classification. The pulmonary adventitious sounds associated with respiratory disorder are typically classified as continuous or discontinuous. The sound signals can therefore be represented as mixture of a small number of continuous and discontinuous signal components, which is called the sparse representation. A simple overcomplete basis set of the Fourier sinusoids and the Daubechies wavelets is suitable for the sparse representation of breath sounds and crackles. It is experimentally shown that the crackles can be separated from breath sounds using the sparse representation even if they overlap each other in time-frequency domain. This separation is demonstrated to be highly robust against random noise. | |||||
書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 巻 41, 号 76, p. 46-52, 発行日 2011-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18805574 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12080680 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 長崎大学工学部 | |||||
出版者別言語 | ||||||
Faculty of Engineering, Nagasaki University | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告, 41(76), pp.46-52; 2011 |