2024
DOI: 10.1088/1741-2552/ad5107
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Topology of surface electromyogram signals: hand gesture decoding on Riemannian manifolds

Harshavardhana T Gowda,
Lee M Miller

Abstract: Decoding gestures from the upper limb using noninvasive surface electromyogram (sEMG) signals is of keen interest for the rehabilitation of amputees, artificial supernumerary limb augmentation, gestural control of computers, and virtual/augmented realities. We show that sEMG signals recorded across an array of sensor electrodes in multiple spatial locations around the forearm evince a rich geometric pattern of global motor unit (MU) activity that can be leveraged to distinguish different hand gestures. We dem… Show more

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