Human activity recognition using deep electroencephalography learning

Amirsaleh Salehzadeh

doi:10.1016/j.bspc.2020.102094

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Human activity recognition using deep electroencephalography learning

2020-09-01

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Amirsaleh Salehzadeh *

André P. Calitz

Jéan Greyling

DOI：10.1016/j.bspc.2020.102094

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Abstract

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Electroencephalography (EEG) signals can be contaminated by the noise raised from a non-cerebral artifact and vary in magnitude due to physiological differences between individuals. Hence, EEG has not been extensively applied to the design of Human Activity Recognition (HAR) systems. HAR involves classifying the activities of an individual that are captured by sensory technologies. To address this issue, this paper introduces a deep learning-based framework for classifying EEG artifacts (FCEA), based on a person's physiological activity. The FCEA proposes an approach for designing a processing pipeline involving a Convolutional Neural Network and a Long Short-Term Memory Recurrent Neural Network, in order to classify raw EEG signals based on the EEG artifacts. To demonstrate the performance of the FCEA, a 3-class dataset of EEG activities was created. A consumer-grade EEG wearable device was used to collect the data from two prefrontal EEG channels, from 8 participants whilst speaking loudly, reading printed text and watching a TV program. These activities include jaw-clenching and head and eye movements, that are part of a wide range of daily human activities. Moreover, these activities cannot easily be detected by using the sensory technologies that have commonly been used in HAR. The comparative performance analysis results demonstrate that the 1- and 2-channel models trained by the FCEA outperform competitive state-of-the-art deep-learning models for HAR and raw EEG data. The deep-learning approach proposed by the FCEA improves raw data processing to obtain a better generalization performance. (C) 2020 Elsevier Ltd. All rights reserved.

Keywords:

EEG artifact classification

Deep learning

Human activity recognition

EEG wearable device

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