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  • Title: Estimation and removal of power line interference in the electrocardiogram: a comparison of digital approaches.
    Author: Cramer E, McManus CD, Neubert D.
    Journal: Comput Biomed Res; 1987 Feb; 20(1):12-28. PubMed ID: 3829639.
    Abstract:
    Global filtering of AC interference in the digitized ECG is introduced as a new concept. Two different filters embodying a global approach are presented. One is based on a least-squares error fit, the other uses a special summation method. Both methods are compared with a local predictive filter by applying each filter to artificial signals and to real ECGs. A critical evaluation of the results is given.
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