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The System Research of Integrated EEG Analysis and Feature Extracting for Weak Signal

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7 Author(s)
Lan Li ; Inst. of Biomed. Eng., Lanzhou Univ., Lanzhou, China ; Lanfeng Yan ; Lingli Tong ; Wei Wang
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An EEG integrated analysis system was developed by LabVIEW, which expanded bandwidth above 3 (KHz) to collect more useful information. The novel bandwidth preamplifier was designed and the system of data acquisition, integrated analysis was implemented, which could analyze EEG with an optional combination of time domain, frequency domain, time-frequency, nonlinearity, chaotics, several spectral analysis, wavelets and other special algorithms under multi-parameter. The system syncretized a variety of dedicated processing methods to meet the need of feature extraction for weak EEG signals. In the system the dual-channel analysis system with multiparameter was developed to strengthen comparing analysis of multi-signal feature. Epileptic EEG as example signal was analyzed and system showed good performances. As novel system it could comparatively analyze the human physiological signals at different stages by combining different algorithms, parameters and filters. The system will be an important tool in researches of human disease and brain function, which is better way to explore the relationships between EEG and health, brain function, brain cognitive.

Published in:

Bioinformatics and Biomedical Engineering (iCBBE), 2010 4th International Conference on

Date of Conference:

18-20 June 2010