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Volume 43 Issue 5
May  2021
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Peng XIONG, Xuepeng LIU, Haiman DU, Ming LIU, Zengguang HOU, Hongrui WANG, Xiuling LIU. Detection of ECG Signal P and T Wave Based on Stationary and Continuous Wavelet Transform Fusion[J]. Journal of Electronics & Information Technology, 2021, 43(5): 1441-1447. doi: 10.11999/JEIT200049
Citation: Peng XIONG, Xuepeng LIU, Haiman DU, Ming LIU, Zengguang HOU, Hongrui WANG, Xiuling LIU. Detection of ECG Signal P and T Wave Based on Stationary and Continuous Wavelet Transform Fusion[J]. Journal of Electronics & Information Technology, 2021, 43(5): 1441-1447. doi: 10.11999/JEIT200049

Detection of ECG Signal P and T Wave Based on Stationary and Continuous Wavelet Transform Fusion

doi: 10.11999/JEIT200049
Funds:  The National Key R&D Program of China (2017YFB1401200), The National Natrual Science Fundation of China (61673158, 61703133), The Natural Science Foundation of Hebei Province (F2018201070), The Hebei Young Talent Project (BJ2019044)
  • Received Date: 2020-01-13
  • Rev Recd Date: 2020-11-27
  • Available Online: 2020-12-05
  • Publish Date: 2021-05-18
  • The detection of P and T waves is an important basis for the diagnosis of cardiovascular disease in the clinic. Because of its low waveform energy and complex shape, it is extremely susceptible to noise interference, which leads to the need to improve the accuracy of existing detection algorithms. In this paper, a P and T wave algorithm based on stable and continuous wavelet transform is proposed .First, the smooth wavelet transform is used to smooth the ElectroCardioGram (ECG) signal to eliminate the effect of jagged burrs on the peak point detection. Then, the multiscale information of continuous wavelet transform is used to obtain the main components of P and T waves in the ECG signal. According to the translation correction rule, the time shift of the zero crossings of P and T waves is corrected to improve the detection accuracy of P and T waves. The algorithm of this paper is verified on the MIT-BIH arrhythmic database, and the final P-wave error rate, sensitivity, and correct prediction reach 0.23%, 99.85%, 99.90%; the T-wave error rate, sensitivity, and correct prediction reach 0.27%, 99.85%, 99.87%.
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