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Application of the Chaos Theory in the Analysis of EMG on Patients with Facial Paralysis
Xiong AB(熊安斌); Zhao XG(赵新刚); Han JD(韩建达); Liu GJ(刘光军)
作者部门机器人学研究室
会议名称2013 2nd International Conference on Robot Intelligence Technology and Applications
会议日期December 18-20, 2013
会议地点Denver, Colorado, USA
会议录名称Robot Intelligence Technology and Applications 2
出版者Springer-Verlag
出版地Berlin
2013
页码805-819
收录类别EI
EI收录号20151600756703
产权排序1
ISSN号2194-5357
ISBN号978-3-319-05581-7
关键词Semg Chaotic Analysis Features Extraction Facial Paralysis
摘要Surface electromyography (sEMG) has been widely applied to disease diagnosis, pathologic analysis and rehabilitation evaluation. It is the nonlinear summation of the electrical activity of the motor units in a muscle and can reflect the state of neuromuscular function. Traditional linear and statistical analysis methods have some significant limitations due to the short-term stationary and lower signal-noise ratio of sEMG. In this paper, we introduce chaotic analysis into the field of sEMG process to investigate the hidden nonlinear characteristics of sEMG of patients with facial paralysis. sEMG on the bilateral masseter, levator labii superioris and frontalis of the 21 patients is recorded. Chaotic analysis is employed to extract new features, including correlation dimension, Lyapunov exponent, approximate entropy and so on. We discover the maximum Lyapunov exponents are all greater than 0, indicating that sEMG is a chaotic signal; correlation dimensions of sEMG on healthy sides are all smaller than that of diseased sides; and inversely, the approximate entropies of healthy sides are all greater than that of diseased sides. Consequently, chaotic analysis can provide a new insight into the complexity of the EMG and may be a vital indicator of diagnosis and recovery assessment of facial paralysis.
语种英语
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/14767
专题机器人学研究室
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GB/T 7714
Xiong AB,Zhao XG,Han JD,et al. Application of the Chaos Theory in the Analysis of EMG on Patients with Facial Paralysis[C]. Berlin:Springer-Verlag,2013:805-819.
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