✦ LIBER ✦

Decomposition of ECG by linear filtering

✍ Scribed by I.S.N. Murthy; U.C. Niranjan

Book ID: 103053366
Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 747 KB
Volume: 22
Category: Article
ISSN: 0010-4825
DOI: 10.1016/0010-4825(92)90048-r

No coin nor oath required. For personal study only.

✦ Synopsis

A simple method is developed for the delineation of a given electrocardiogram (ECG) signal into its component waves. The properties of discrete cosine transform (DCT) are exploited for the purpose. The transformed signal is convolved with appropriate filters and the component waves are obtained by computing the inverse transform (IDCT) of the filtered signals. The filters are derived from the time signal itself. Analysis of continuous strips of ECG signals with various arrhythmias

showed that the performance of the method is satisfactory both qualitatively and quantitatively.

The small amplitude P wave usually had a high percentage rms difference (PRD) compared to the other large component waves.

ECG analysis

Component delineation Arrhythmia Linear filtering DCT DFTM PRD FIR filter design

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