Wavelet denoising of the electrocardiogram signal based on the corrupted noise estimation

@article{Chouakri2005WaveletDO,
  title={Wavelet denoising of the electrocardiogram signal based on the corrupted noise estimation},
  author={S. A. Chouakri and Fethi Bereksi-Reguig and Sa{\"i}d Ahmaidi and Odette Fokapu},
  journal={Computers in Cardiology, 2005},
  year={2005},
  pages={1021-1024}
}
We present in this paper an algorithm of filtering the noisy real ECG signal. The classical wavelet denoising process, based on the Donoho et al. algorithm, at the 4th level, appears clearly the P and T waves whereas the R waves undergo considerable distortion. This is due to the interference of the WGN and the free noise ECG detail sequences at level 4. To overcome this drawback, our key idea is to estimate the corrupted WGN and consequently remove the noise interfering R waves at the 4th… CONTINUE READING
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