Article ; Online: EEG-BCI-based motor imagery classification using double attention convolutional network.
Computer methods in biomechanics and biomedical engineering
2024 , Page(s) 1–20
Abstract: ... is removed by Modify Least Mean Square (M-LMS) in the pre-processing stage. Traditional LMSs were ...
| Abstract | This article aims to improve and diversify signal processing techniques to execute a brain-computer interface (BCI) based on neurological phenomena observed when performing motor tasks using motor imagery (MI). The noise present in the original data, such as intermodulation noise, crosstalk, and other unwanted noise, is removed by Modify Least Mean Square (M-LMS) in the pre-processing stage. Traditional LMSs were unable to extract all the noise from the images. After pre-processing, the required features, such as statistical features, entropy features, etc., were extracted using Common Spatial Pattern (CSP) and Pearson's Correlation Coefficient (PCC) instead of the traditional single feature extraction model. The arithmetic optimization algorithm cannot select the features accurately and fails to reduce the feature dimensionality of the data. Thus, an Extended Arithmetic operation optimization (ExAo) algorithm is used to select the most significant attributes from the extracted features. The proposed model uses Double Attention Convolutional Neural Networks (DAttnConvNet) to classify the types of EEG signals based on optimal feature selection. Here, the attention mechanism is used to select and optimize the features to improve the classification accuracy and efficiency of the model. In EEG motor imagery datasets, the proposed model has been analyzed under class, which obtained an accuracy of 99.98% in class Baseline (B), 99.82% in class Imagined movement of a right fist (R) and 99.61% in class Imagined movement of both fists (RL). In the EEG dataset, the proposed model can obtain a high accuracy of 97.94% compared to EEG datasets of other models. |
|---|---|
| Language | English |
| Publishing date | 2024-01-02 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 2071764-7 |
| ISSN | 1476-8259 ; 1025-5842 |
| ISSN (online) | 1476-8259 |
| ISSN | 1025-5842 |
| DOI | 10.1080/10255842.2023.2298369 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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