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ECG Data Compression by Matching Pursuits with Multiscale Atoms
http://hdl.handle.net/10191/6496
http://hdl.handle.net/10191/6496c41bd1c2-6b05-43fd-b06e-f54a54840eb0
名前 / ファイル | ライセンス | アクション |
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e84-a_8_1919.pdf (1.5 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-07-17 | |||||
タイトル | ||||||
タイトル | ECG Data Compression by Matching Pursuits with Multiscale Atoms | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | ECG Data Compression by Matching Pursuits with Multiscale Atoms | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | multiscale analysis | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | matching pursuit | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | data compression | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | electrocardiogram | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | bio-medical signal processing | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Nakashizuka, Makoto
× Nakashizuka, Makoto× Niwa, Kazuki× Kikuchi, Hisakazu |
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著者別名 | ||||||
識別子 | 6072 | |||||
識別子Scheme | WEKO | |||||
姓名 | 菊池, 久和 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this paper, we propose an ECG waveform compression technique based on the matching pursuit. The matching pursuit is an iterative non-orthogonal signal expansion technique. A signal is decomposed to atoms in a function dictionary. The constraint to the dictionary is only the over-completeness to signals. The function dictionary can be defined to be best match to the structure of the ECG waveform. In this paper, we introduce the multiscale analysis to the implementation of inner product computations between signals and atoms in the matching pursuit iteration. The computational cost can be reduced by utilization of the filter bank of the multiscale analysis. We show the waveform approximation capability of the matching pursuit with multiscale analysis. We show that a simple 4-tap integer filter bank is enough to the approximation and compression of ECG waveforms. In ECG waveform compression, we apply the error feed-back procedure to the matching pursuit iteration to reduce the norm of the approximation error. Finally, actual ECG waveform compression by the proposed method are demonstrated. The proposed method achieve the compression by the factor 10 to 30. The compression ratio given by the proposed method is higher than the orthogonal wavelet transform coding in the range of the reconstruction precision lower than 9% in PRD. | |||||
書誌情報 |
IEICE transactions on fundamentals of electronics, communications and computer sciences en : IEICE transactions on fundamentals of electronics, communications and computer sciences 巻 E84-A, 号 8, p. 1919-1932, 発行日 2001-08 |
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出版者 | ||||||
出版者 | The Institute of Electronics, Information and Communication Engineers | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09168508 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10826239 | |||||
権利 | ||||||
権利情報 | copyright©2001 IEICE | |||||
著者版フラグ | ||||||
値 | publisher | |||||
異版である | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | URI | |||||
関連識別子 | http://www.ieice.org/jpn/trans_online/ |