A Level-Crossing Based QRS-Detection Algorithm for Wearable ECG Sensors

被引：128
|
作者：
Ravanshad, Nassim [1 ]
Rezaee-Dehsorkh, Hamidreza [1 ]
Lotfi, Reza [1 ]
Lian, Yong [2 ]
机构：
[1] Ferdowsi Univ Mashhad, Dept Elect Engn, Integrated Syst Lab, Mashhad 9177948944, Iran
[2] York Univ, Dept Elect Engn & Comp Sci, Lassonde Sch Engn, Toronto, ON M3J 1P3, Canada
来源：
IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS | 2014年 / 18卷 / 01期
关键词：
Analog-to-digital converter (ADC); asynchronous analog-to-information conversion system; level-crossing sampling; QRS detection; wearable electrocardiogram (ECG) monitoring devices; SYSTEM;
D O I：
10.1109/JBHI.2013.2274809
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, an asynchronous analog-to-information conversion system is introduced for measuring the RR intervals of the electrocardiogram (ECG) signals. The system contains a modified level-crossing analog-to-digital converter and a novel algorithm for detecting the R-peaks from the level-crossing sampled data in a compressed volume of data. Simulated with MIT-BIH Arrhythmia Database, the proposed system delivers an average detection accuracy of 98.3%, a sensitivity of 98.89%, and a positive prediction of 99.4%. Synthesized in 0.13 mu m CMOS technology with a 1.2 V supply voltage, the overall system consumes 622 nW with core area of 0.136 mm(2), which make it suitable for wearable wireless ECG sensors in body-sensor networks.
引用
收藏
页码：183 / 192
页数：10
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