Improving the quality of the ECG signal by filtering in wavelet transform domain
Róża Dzierżak, Wojciech Surtel, Grzegorz Jan Dzida, Marcin Maciejewski · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2016
The article concerns the research methods of noise reduction occurring in the ECG signals. The method is based on the use of filtration in wavelet transform domain. The study was conducted on two types of signal - received during the rest of the patient and obtained during physical activity. For each of the signals 3 types of filtration were used. The study was designed to determine the effectiveness of various wavelets for de-noising signals obtained in both cases. The results confirm the suitability of the method for improving the quality of the electrocardiogram in case of both types of signals.