Publication

Feasibility of a Portable, Wearable, High-Density Surface EMG Device for Detecting Functional Hand-Object Interactions

2023

Abstract

This research aimed to assess the feasibility of employing the Smart Sleeve, a portable and wearable high-density surface electromyography (HDsEMG) device, for the detection of functional hand-object interactions in a group of healthy volunteers. The Smart Sleeve consisted of 32 electrodes that were securely wrapped around the forearm, while the surface electromyography (sEMG) signals were captured using a portable wireless amplifier. To automatically identify hand-object interactions, a machine-learning approach was employed, based on temporal and spectral EMG features extracted from sliding windows of 1-second length. The proposed method achieved an F1-score of 71% when detecting hand-object interactions on an independent test set. The results of this study highlight the potential application of the proposed method for evaluating upper extremity function. In the future, the integration of first-person vision and wrist-worn accelerometers could provide additional insights into neurological recovery processes in individuals with neurological impairments who live in the community.

Official source

https://infoscience.epfl.ch/entities/publication/9647bddb-779f-4574-8f09-5028b14901d9

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2023

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/9647bddb-779f-4574-8f09-5028b14901d9

About this result

Related concepts (32)

Wearable computer

A wearable computer, also known as a body-borne computer, is a computing device worn on the body. The definition of 'wearable computer' may be narrow or broad, extending to smartphones or even ordinary wristwatches. Wearables may be for general use, in which case they are just a particularly small example of mobile computing. Alternatively, they may be for specialized purposes such as fitness trackers. They may incorporate special sensors such as accelerometers, heart rate monitors, or on the more advanced side, electrocardiogram (ECG) and blood oxygen saturation (SpO2) monitors.

Finger tracking

In the field of gesture recognition and , finger tracking is a high-resolution technique developed in 1969 that is employed to know the consecutive position of the fingers of the user and hence represent objects in 3D. In addition to that, the finger tracking technique is used as a tool of the computer, acting as an external device in our computer, similar to a keyboard and a mouse. The finger tracking system is focused on user-data interaction, where the user interacts with virtual data, by handling through the fingers the volumetric of a 3D object that we want to represent.

Electroencephalography

Electroencephalography (EEG) is a method to record an electrogram of the spontaneous electrical activity of the brain. The biosignals detected by EEG have been shown to represent the postsynaptic potentials of pyramidal neurons in the neocortex and allocortex. It is typically non-invasive, with the EEG electrodes placed along the scalp (commonly called "scalp EEG") using the International 10–20 system, or variations of it. Electrocorticography, involving surgical placement of electrodes, is sometimes called "intracranial EEG".

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