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Modifying the spatially-constrained ICA for efficient removal of artifacts from EEG data
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Akhtar, Muhammad Tahir, James, C. J. and Mitsuhashi, Wataru (2010) Modifying the spatially-constrained ICA for efficient removal of artifacts from EEG data. In: 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2010), Chengdu, China, Jun 18-20, 2010. Published in: Proceedings of the 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2010) pp. 1-4. ISSN 2151-7614. doi:10.1109/ICBBE.2010.5515306
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Official URL: http://dx.doi.org/10.1109/ICBBE.2010.5515306
Abstract
This paper concerns artifact removal from multichannel EEG data. It has already been demonstrated that independent component analysis (ICA) can be an effective and applicable method for EEG de-noising. The goal of this paper is to propose a framework, based on ICA and wavelet denoising (WD), to improve the pre-processing of EEG signals. In particular we employ the concept of spatially constrained ICA (SCICA) to extract artifact-only independent components (ICs) from the given EEG data, use WD to remove any cerebral activity from extracted artifacts, and finally project back the artifacts to be subtracted from EEG signals to get clean EEG data. The main advantage of the proposed approach is faster computation, as all ICs are not identified. The computer experiments are carried out, which demonstrate the effectiveness of the proposed approach in removing focal artifacts that can be well separated by SCICA.
| Item Type: | Conference Item (Paper) | ||||
|---|---|---|---|---|---|
| Subjects: | R Medicine > R Medicine (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||
| Journal or Publication Title: | Proceedings of the 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2010) | ||||
| Publisher: | Institute of Electrical and Electronics Engineers | ||||
| ISSN: | 2151-7614 | ||||
| Book Title: | 2010 4th International Conference on Bioinformatics and Biomedical Engineering | ||||
| Official Date: | July 2010 | ||||
| Dates: |
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| Page Range: | pp. 1-4 | ||||
| DOI: | 10.1109/ICBBE.2010.5515306 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Conference Paper Type: | Paper | ||||
| Title of Event: | 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE 2010) | ||||
| Type of Event: | Conference | ||||
| Location of Event: | Chengdu, China | ||||
| Date(s) of Event: | Jun 18-20, 2010 |
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