Event detection of muscle activation using an electromyogram
- Authors
- Kang, K.; Rhee, K.; Shin, H.-C.
- Issue Date
- Aug-2020
- Publisher
- MDPI AG
- Keywords
- EMG; Hand movements; Muscle activation; Offset detection; Onset detection
- Citation
- Applied Sciences (Switzerland), v.10, no.16
- Journal Title
- Applied Sciences (Switzerland)
- Volume
- 10
- Number
- 16
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/38589
- DOI
- 10.3390/app10165593
- ISSN
- 2076-3417
- Abstract
- In this study, we proposed a precise onset and offset detection algorithm for muscle activation by using an electromyogram (EMG). The adaptive threshold was determined using the constant false alarm rate algorithm. The EMG signal was refined by morphological hole filling, which is used to close up and fill out missing information. By exploiting the EMG amplitude ratio in two channels, we significantly improved the offset detection performance. The proposed method does not require a training process, unlike conventional methods. The experimental results indicated that the estimated errors for both the onset and offset detection are lower than those obtained using two of the conventional methods. © 2020 by the authors.
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