Data analysis and processing in EIT system

被引：0
|
作者：
Kou, Ge [1 ]
Chen, Wenjian [1 ]
Chen, Shujun [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Sch Elect Engn & Optoelect Tech, Nanjing 210094, Jiangsu, Peoples R China
来源：
2008 INTERNATIONAL CONFERENCE ON OPTICAL INSTRUMENTS AND TECHNOLOGY: OPTOELECTRONIC MEASUREMENT TECHNOLOGY AND APPLICATIONS | 2009年 / 7160卷
关键词：
electrical impedance tomography; image reconstruction; voltage change; human brain; TOMOGRAPHY;
D O I：
10.1117/12.811813
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The method and setup of EIT experimental study are introduced briefly first. Then the EIT data collected under auditory and visual stimuli respectively are analyzed, and the curves of reference data change with different current drive are shown. Meanwhile, auditory and visual EIT data versus reference data and the curve of EIT voltage changes due to two different stimuli of the same subject are given. A comparison is made between EIT voltage changes of human brain due to two different stimuli. A reconstructed image from these data is given. The effect of the number of the iteration and regularization parameter have on imaging quality are discussed in details. At last, a conclusion is drawn that data analysis and processing can help to investigate the activity of human brain.
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页数：8
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