Appropriate Features to Determine Correlation in EMG Signals and Biting Force in Occlusion System

S. Poomsombut, C. Limsakul, P. Phukpattaranont
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引用次数: 1

Abstract

In order to determine the linear relation between the features of EMG signals and biting force, the correlation coefficient (r) is used to select the appropriate features of EMG signal providing the high linear relationship. The experimental results showed that when segmentation of EMG signals for feature calculation by assigning window sizes equal to window increment, the correlation coefficient is greater than that the window sizes are larger window increment. Feature extracted from the EMG signal with a 500 ms window size and a 500 ms window increment in time domain provides the best linear relationship with the biting force levels. Moreover, the feature providing the best correlation is Willison Amplitude (WAMP) with r = 0.75. On the other hand, the results obtained from other features are quite similar (0.75 >r>0.62).
确定咬合系统中肌电信号与咬合力相关性的适当特征
为了确定肌电信号特征与咬合力之间的线性关系,利用相关系数(r)选择具有高线性关系的肌电信号特征。实验结果表明,在对肌电信号进行分割进行特征计算时,分配等于窗口增量的窗口大小,相关系数大于窗口增量较大的窗口大小。在500 ms窗口大小和500 ms窗口增量的时域肌电信号中提取的特征与咬合力水平的线性关系最好。此外,提供最佳相关性的特征是Willison Amplitude (WAMP),其r = 0.75。另一方面,其他特征得到的结果非常相似(0.75 >r>0.62)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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