Daanish Hindustani
Recognising hand gestures from muscle signals normally means an array of sensors and a model heavy enough to need real compute. Both assumptions block the applications people actually want, which are low-power wearables and embedded devices.
This study asks how far one channel gets you, classifying ten gestures from a single sEMG sensor with deliberately lightweight models. The value is in the question rather than in beating a benchmark: knowing what one channel can distinguish tells a designer where the real floor is, and how much each extra sensor is buying.
Transforming the raw signal into an engineered feature representation is the pragmatic choice here. With one channel and a tight compute budget there is not enough data for a network to learn good features from scratch, so encoding what is known about the signal in advance is how the remaining capacity gets spent on the decision instead of on rediscovery.
Accurate hand gesture recognition using surface electromyography (sEMG) typically relies on multichannel sensor arrays and computationally intensive models. This limits practical deployment in low-power and embedded systems. This study investigates the feasibility of classifying ten hand gestures using a single sEMG channel combined with lightweight machine learning architectures. Raw sEMG signals were transformed into a comprehensive feature-based representation, including…
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