Component wave delineation of ECG by filtering in the Fourier domain
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A complete solution to the fundamental problem of delineation of an ECG signal into its component waves by filtering the discrete Fourier transform of the signal is presented. The set of samples in a component wave is transformed into a complex sequence with a distinct frequency band. The filter characteristics are determined from the time signal itself. Multiplication of the transformed signal with a complex sinusoidal function allows the use of a bank of low-pass filters for the delineation of all component waves. Data from about 300 beats have been analysed and the results are highly satisfactory both qualitatively and quantitatively.
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- Component wave delineation of ECG by filtering in the Fourier domain
Medical and Biological Engineering and Computing
Volume 30, Issue 2 , pp 169-176
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- Online ISSN
- Kluwer Academic Publishers
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- Component wave delineation
- Discrete cosine transform
- ECG analysis
- Fourier domain filtering
- Low-pass filter bank
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