DocumentCode :
1892459
Title :
Comparison of the neural-network-based adaptive filtering and wavelet transform for R, T and P waves detection
Author :
Szilágyi, S.M.
Author_Institution :
Dept. of Process Control, Tech. Univ. Budapest, Hungary
fYear :
1997
fDate :
7-9 Sep 1997
Firstpage :
73
Lastpage :
75
Abstract :
An electrocardiogram is quite an important tool to find out more information about the heart. Despite the presence of serious noise, reliable detection of the QRS complex, and T and P waves is essential for an exact ECG analysis system. ECG analysis methods can be divided into three functional groups: direct methods, transformation methods, and parameter estimation methods. For real-time processing nonsyntactic, neural network based detection is ideal. Both of the selected methods accomplish filtering of the ECG signal. Neural network based adaptive matched filtering is capable of learning and becoming time-varying. These filters estimate the deterministic signal and remove uncorrelated noise with the deterministic signal. This method can produce better results than nonparametric algorithms. These advantages result in lower noise sensitivity and required sampling rate and accuracy at the same detection rate for all the ECG characteristic points
Keywords :
adaptive signal detection; electrocardiography; filtering theory; medical signal processing; neural nets; real-time systems; sensitivity; wavelet transforms; ECG analysis methods; ECG characteristic points; ECG signal filtering; P wave detection; QRS complex; R wave detection; T wave detection; accuracy; deterministic signal estimation; electrocardiogram; heart; learning; neural network based adaptive filtering; noise sensitivity; nonsyntactic neural network based detection; real-time processing; sampling rate; time-varying system; uncorrelated noise removal; wavelet transform; Adaptive filters; Adaptive systems; Electrocardiography; Filtering; Fourier transforms; Matched filters; Neural networks; Signal analysis; Wavelet analysis; Wavelet transforms;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Information Technology Applications in Biomedicine, 1997. ITAB '97., Proceedings of the IEEE Engineering in Medicine and Biology Society Region 8 International Conference
Conference_Location :
Prague
Print_ISBN :
0-7803-4318-2
Type :
conf
DOI :
10.1109/ITAB.1997.649412
Filename :
649412
Link To Document :
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