ACCELEROMETER VS. ELECTROMYOGRAM IN ACTIVITY RECOGNITION

General information

Authors:
Heli KOSKIMAKI, Pekka SIIRTOLA

Volume:
Regular Issue 5 (3), 2016

Keywords:

Activity recognition; Wearable sensor; Acceleration; Electromyogram; Unseen activities

In this study, information from wearable sensors is used to recognize human activities. Commonly the approaches are based on accelerometer data while in this study the potential of electromyogram (EMG) signals in activity recognition is studied. The electromyogram data is used in two different scenarios: 1) recognition of completely new activities in real life and 2) to recognize the individual activities. In this study, it was shown that in gym settings electromyogram signals clearly outperforms the accelerometer data in recognition of completely new sets of gym movements from streaming data even though the sensors would not be positioned directly to the muscles trained. Nevertheless, in recognition of individual activities the EMG itself does not provide enough information to recognize activities accurately.

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