Decomposition and compression for ECG and EEG signals with sequence index coding method based on matching pursuit

doi:10.1016/S1005-8885(11)60251-3

中国邮电高校学报(英文) ›› 2012, Vol. 19 ›› Issue (2): 92-95.doi: 10.1016/S1005-8885(11)60251-3

Decomposition and compression for ECG and EEG signals with sequence index coding method based on matching pursuit

张洪欣,CHEN Can-feng,WU Yan-ling,LI Pei-hua

北京邮电大学电子工程学院

收稿日期:2011-07-07 修回日期:2011-10-17 出版日期:2012-04-30 发布日期:2012-04-17
通讯作者: 张洪欣 E-mail:hongxinzhang@263.net
基金资助:
This work was supported by the Fundamental Research Funds for the Central Universities (BUPT Project 2009RC0316); Nokia -BUPT Union Fund; the Natural Science Foundation of Beijing, China (4112039); the National Natural Science Foundation of China (60871081).

Decomposition and compression for ECG and EEG signals with sequence index coding method based on matching pursuit

Hong-Xin ZHANG,CHEN Can-feng,WU Yan-ling,LI Pei-hua

Received:2011-07-07 Revised:2011-10-17 Online:2012-04-30 Published:2012-04-17
Contact: Hong-Xin ZHANG E-mail:hongxinzhang@263.net
Supported by:
This work was supported by the Fundamental Research Funds for the Central Universities (BUPT Project 2009RC0316); Nokia -BUPT Union Fund; the Natural Science Foundation of Beijing, China (4112039); the National Natural Science Foundation of China (60871081).

摘要/Abstract

摘要：

An efficient compression method is proposed by encoding the sequence index of atoms based on matching pursuit (MP) algorithm with over-complete Gabor dictionary, which has the merit to adjust the compression ratio (CR) according to the practical request with low distortion. It is also combined with genetic algorithm (GA) to reduce the computation complexity. Then, the validity of this method is verified by applying it in the compression of electrocardiography (ECG) and Electroencephalography (EEG) signals. The simulation results show that the CR can be achieved at 18:1 with only 1.06% and 2.15% reconstruction errors on ECG and EEG signals respectively. It has higher CR and less reconstruction errors compared to that of the traditional methods, and noise suppression effect is also presented.

关键词:

ignal decomposition and compression, matching pursuit, ECG, EEG

Abstract:

Key words:

ignal decomposition and compression, matching pursuit, ECG, EEG

中图分类号:

TN91

Hong-Xin ZHANG CHEN Can-feng WU Yan-ling LI Pei-hua. Decomposition and compression for ECG and EEG signals with sequence index coding method based on matching pursuit[J]. Acta Metallurgica Sinica(English letters), 2012, 19(2): 92-95.

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Decomposition and compression for ECG and EEG signals with sequence index coding method based on matching pursuit

Decomposition and compression for ECG and EEG signals with sequence index coding method based on matching pursuit

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