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基于VAG信号分析的无创膝关节损伤病变检测与辅助诊断

Yiping XU,Tianshuang QIU,Yupeng LIU

Journal of Biomedical Engineering Research（2018）

Cited 1|Views1
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Abstract
膝关节摆动(VAG)信号是膝关节在做屈伸运动时由于接触摩擦产生的振动信号,它能够反映髌骨软化症、半月板损伤和交叉韧带损伤等膝关节损伤疾病的特征与状态.本研究分析了国内外文献对膝关节摆动信号的研究方法,包括信号的预处理方法、特征提取方法和分类方法几个方面.无创膝关节摆动信号的检测与分析,对于膝关节损伤疾病的无创检测和辅助诊断具有重要意义,正逐步得到临床医学的重视.最后分析了对于膝关节摆动信号研究还需要解决的问题以及未来的发展方向.
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Key words
Vibroarthrographic signal,Time frequency analysis,Classifier,Stastical analysis,Nonlinear analysis
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