An Improved Method for Adaptive Noise Cancellation of ECG Signals in very Difficult Conditions
Subject Areas : electrical and computer engineering
Ahmad
Ayatollahi
1
(University of Science and Technology)
S. H.
Sabzpooshan
2
(University of Science and Technology)
Keywords: Adaptive noise cancellingECG,
Abstract :
We present a new adaptive noise cancellation method for ECG noise cancelling in very difficult conditions. This method is based on modified variable step size LMS algorithm. We show that the proposed algorithm is more efficient and the adaption speed is higher than conventional LMS
[1] V. X. Afonoso and J. Tompkins, "ECG beat detection using filter banks," IEEE Trans. Biomed. Eng., vol. 46. no. 2, pp. 192-302, Feb. 1999.
[2] J. Tomas and D. M. Etter, "A new adaptive algorithm to reduce weight fluctuations caused by height variance data, "IEEE Trans. Signal Proc., vol. 40, no. 9, pp. 2324-2327, Sep. 1992.
[3] N. V. Thakor and Yi-Sheng, "Applications of adaptive filtering to ECG analysis: noise cancellation and arrhythmia detection," IEEE Trans. Biomed. Eng., vol. 38, no. 8, pp. 785-794, Aug. 1991.
[4] A. Aiatollahi, S. H. Sabzpoushan, "An adaptive filter for ECG noise cancellation with the use of periodic nature of ECG," in Proc. ICEE 2002.
[5] A. Ruha and S. Sallinen, "A real-time microprocessor QRS detector system with a 1-ms timing accuracy for the measurement of ambulatory HRV," IEEE Trans. Biomed. Eng. vol. 44, no. 3,pp. 159-167, Mar. 1997.
[6] S. Haykin, Adaptive Filter Theory, Prentice-Hall, p. 231, 2002.
[7] R. H. Kwong and E. W. Johnston, "A variable step size LMS algorithm," IEEE Trans. on Signal. Proc., vol. 40, no. 7, pp. 1633-1642, 1992.
[8] MIT-BIH Database, Massachusetts Inst., 2002.
[9] R. S. Maclead and Q. Ni, "Effects of heart position on the body–surface ECG," in Proc. Int. Society for Computerized Electrocardiography Conf., Yosemite, Canada, 2000.