WR-Hand: Wearable Armband can Track User's Hand
summary
A wearable system tracks 3D positions of 14 skeleton points using commercial armband EMG plus gyroscope, running an RNN-enhanced biomedical model on a phone in real time. It maps mixed, cross‑section EMG signals to hand joints, compensates for radial placement and rotation by normalization and a one‑time plug-and-play warm-up that virtually reorders sensors, and fuses gyro/EMG with an attention-like mechanism. Evaluation on two armbands with 18 subjects reports a 2.6 cm average error.
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