標題: | Distributed Source Coding for Real-Time ECG Signal Monitoring |
作者: | Wu, Hung-Tsai Tsai, Wei-Ying Chang, Wen-Whei 電信工程研究所 Institute of Communications Engineering |
關鍵字: | wireless patient monitoring;distributed source coding;EGG data compression;mobile cellular networks |
公開日期: | 1-Aug-2014 |
摘要: | Wireless patient monitoring is an active research area with the goal of ubiquitous health care services. This study presents a novel means of exploiting the distributed source coding (DSC) in low-complexity compression of ECG signals. We first convert the ECG data compression to an equivalent channel coding problem and exploit a linear channel code for the DSC construction. Performance is further enhanced by the use of a correlation channel that more precisely characterizes the statistical dependencies of ECG signals. Also proposed is a modified BCJR algorithm which performs symbol decoding of binary convolutional codes to better exploit the source's a priori information. Finally, a complete setup system for online ambulatory ECG monitoring via mobile cellular networks is presented. Experiments on the MIT-BIH arrhythmia database and real-time acquired ECG signals demonstrate that the proposed system outperforms other schemes in terms of encoder complexity and coding efficiency. |
URI: | http://dx.doi.org/10.1587/transinf.E97.D.2157 http://hdl.handle.net/11536/25393 |
ISSN: | 1745-1361 |
DOI: | 10.1587/transinf.E97.D.2157 |
期刊: | IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS |
Volume: | E97D |
Issue: | 8 |
起始頁: | 2157 |
結束頁: | 2165 |
Appears in Collections: | Articles |
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