Less complexity-aware intelligent 1-dimensional CNN with weighted deep features for artifacts removal in EEG signals

• Published in: Digital signal processing 2024-02, Vol.145, p.104319, Article 104319
• Main Authors: Prasad, M.V.V.S., Babu, T. Ranga
• Format: Article
• Language: English
• Subjects: Artifacts removal; Electroencephalogram signals; Hybrid bird-coyote optimization algorithm; Low complexity Model; One dimensional convolutional neural network; Weighted deep features
• ISSN: 1051-2004; 1095-4333
• DOI: 10.1016/j.dsp.2023.104319

Electroencephalogram (EEG) signals contains a major role in examining the behavior of brain activity. Moreover, these signals are contaminated with artifacts, which may affect the EEG signal analysis. The EEG performs as the low spatial resolution in the unimodal analysis. Owing to the highly time-consumption procedure, the removal of artifact techniques cannot be applied in practical applications. In existing works, automatic artifact removal techniques are ineffective for eliminating the artifacts in the EEG signals. Thus, the core of this concept is to design a low complexity aware, intelligent artifacts removal model using deep learning. This paper attempts to introduce a 1-Dimensional-Convolutional Neural Network with a Weighted Deep Feature (1D-CNN-WDF), which acts as a filter to remove the unnecessary noise in EEG signals. The WDF extraction in 1D-CNN-WDF is developed by combining the Coyote Optimization Algorithm (COA), and Bird Swarm Algorithm (BSA) named Hybrid Bird-COA (HB-COA). The same hybrid algorithm is used for the tuning of model parameters in 1D-CNN-WDF. The analysis results confirm that the recommended method is more enriched than recently introduced methods when considering the improved Signal to Noise Ratio (SNR), less Mean Squared Error (MSE), and reduced computational complexity, which shows that the suggested method is attained the superior reconstruction quality.