Abstract
This paper proposes an efficient technique to eliminate high frequency and power line interference noise from digitized Electrocardiogram (ECG) signal and compression of that enhanced signal in a lossless manner. ECG data of different diseases taken from PTB diagnostic ECG database (PTB-DB) is used to test the performance of the module. At first, contaminated ECG signal is passed through a Butterworth lowpass filter to remove high frequency noises whose order is chosen on experimental basis. To remove power line interference noise, an IIR notch filter is designed properly. Enhanced signal is compressed using a strict lossless technique. The proposed module can reduce noise as well as ECG data file size efficiently.
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