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Journal Article
An Adaptive Median Filter Based on Sampling Rate for R-Peak Detection and Major-Arrhythmia Analysis
- Authors
- TaeWuk Bae, Sang Hag Lee, Kee Koo Kwon
- Issue Date
- 2020-11
- Citation
- Sensors, v.20, no.21, pp.1-21
- ISSN
- 1424-8220
- Publisher
- MDPI
- Language
- English
- Type
- Journal Article
- Project Code
- 20ZD1100, 대경권 지역산업 기반 ICT 융합기술 고도화 지원사업, Moon Ki Young
- Abstract
- With the advancement of the Internet of Medical Things technology, many vital sign-sensing devices are being developed. Among the diverse healthcare devices, portable electrocardiogram (ECG) measuring devices are being developed most actively with the recent development of sensor technology. These ECG measuring devices use different sampling rates according to the hardware conditions, which is the first variable to consider in the development of ECG analysis technology. Herein, we propose an R-point detection method using an adaptive median filter based on the sampling rate and analyze major arrhythmias using the signal characteristics. First, the sliding window and median filter size are determined according to the set sampling rate, and a wider median filter is applied to the QRS section with high variance within the sliding window. Then, the R point is detected by subtracting the filtered signal from the original signal. Methods for detecting major arrhythmias using the detected R point are proposed. Different types of ECG signals were used for a simulation, including ECG signals from the MIT-BIH arrhythmia database and MIT-BIH atrial fibrillation database, signals generated by a simulator, and actual measured signals with different sampling rates. The experimental results indicated the effectiveness of the proposed R-point detection method and arrhythmia analysis technique.
- KSP Keywords
- Adaptive median filter(AMF), Atrial fibrillation(AF), Detection Method, ECG Analysis, ECG signal, MIT-BIH arrhythmia database, R-Peak Detection, Sampling rate, Sensing device, Sensor Technology, Signal characteristics
This work is distributed under the term of Creative Commons License (CCL)
(CC BY)
(CC BY)
