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  1. 060 工学部
  2. 10 学術雑誌論文
  3. 10 査読済論文
  1. 0 資料タイプ別
  2. 01 学術雑誌論文

ECG Data Compression by Matching Pursuits with Multiscale Atoms

http://hdl.handle.net/10191/6496
http://hdl.handle.net/10191/6496
c41bd1c2-6b05-43fd-b06e-f54a54840eb0
名前 / ファイル ライセンス アクション
e84-a_8_1919.pdf e84-a_8_1919.pdf (1.5 MB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 6069

Nakashizuka, Makoto

Search repository
Niwa, Kazuki

× Niwa, Kazuki

WEKO 6070

Niwa, Kazuki

Search repository
Kikuchi, Hisakazu

× Kikuchi, Hisakazu

WEKO 6071

Kikuchi, Hisakazu

Search repository
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
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/
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