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A New QRS Detection Algorithm Using Index Function Based on Resonance Theory  

Lee, Jeon (Dept. of Biomedical Eng., College of Health Science, Yonsei University and Research Institute of Medical Engineering)
Yoon, Hyung-Ro (Dept. of Biomedical Eng., College of Health Science, Yonsei University and Research Institute of Medical Engineering)
Lee, Kyung-Joong (Dept. of Biomedical Eng., College of Health Science, Yonsei University and Research Institute of Medical Engineering)
Publication Information
Journal of Biomedical Engineering Research / v.24, no.2, 2003 , pp. 107-112 More about this Journal
Abstract
This paper describes a new simple QRS detection algorithm using index function based on resonance theory. The ECG signal can be modeled with several sinusoidal pulses and its first difference has some relations with the amplitude and frequency of sinusoidal pulse. Based on above fact, an index function, similar to the square of the imaginary part of a simple R-L-C circuit, was designed. A QRS complex is detected by applying the adaptive method to the response of index function. The algorithm showed a performance comparable to or higher than the other algorithms. Because it does not require any complicated preprocessing or postprocessing, it can be implemented in real time.
Keywords
QRS detection algrithm; Index function; First order difference; Real time;
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Times Cited By KSCI : 1  (Citation Analysis)
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