Electrocardiogram (ECG) is used in order to discover the heart disease early. Especially, R-R interval gives an useful information for the heart condition. The purpose of this study is the detection of an accurate R wave position zn order to extract the R-R interval of the ECG. Recently, a method for detecting the position of an R wave was proposed using moving averaged magnitude difference(MAMD). Since there is individual difference in the ECG waveform, however, improvement of the approach is necessary. We proposed the R/S wave enhancement filter(RSEF) in preprocessing and an R wave detection algorithm which adaptively decides search region. The algorithm searches for only the short time duration estimated from the most recent R-wave position in order to detect the next R-wave eficiently. We call this duration a Window. In this paper, the comparison between the MAMD and the RSEF is also znvestigated.

Preprocessing MAMD and RSEF for R-R Interval Detection of ECG.pdf

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