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Detection of tremor bursts from the sEMG Signal: An optimization procedure for different detection methods

机译:从sEMG信号中检测震颤爆发:针对不同检测方法的优化程序

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摘要

Two different detection techniques for EMG burst detection are here used to reveal tremor in both a set of synthetic data and in a small sample of experimental trials. An optimization procedure that employs the minimization of a cost function to provide the parameter set characterizing the two techniques is here presented and its performance assessed. The results obtained with the optimization procedure are satisfactory and suitable for practical use: the values for both bias and standard deviation in the estimation of both onset and offset time instants are lower than 10 ms, and the sensitivity and positive predictive value in the detection of tremor bursts are > 96% for SNR levels higher than 6 dB.
机译:本文使用两种不同的EMG爆破检测技术来揭示一组合成数据和一小部分实验性试验中的震颤。本文介绍了一种优化程序,该程序采用成本函数的最小值来提供表征这两种技术的参数集,并评估其性能。通过优化程序获得的结果令人满意,并且适合实际使用:在估计开始和偏移时间瞬间时的偏差和标准偏差值均低于10 ms,并且检测到的敏感性和阳性预测值均低于10 ms。对于高于6 dB的SNR,震颤爆发> 96%。

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