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Paper Abstract and Keywords
Presentation 2011-01-21 15:00
Silent speech BCI -- using single-trial EEGs and speech signals --
Keiji Matsunaga, Keiichi Yamamoto, Kazufumi Tanaka, Toshimasa Yamazaki (KIT), Ken-ichi Kamijo (NEC), Takahiro Yamanoi (HGU)
Abstract (in Japanese) (See Japanese page) 
(in English) This study proposes a new silent speech BCI using both single-trial EEGs and speech signals. The EEGs segments, corresponding to the NS’ components, are extracted from 19ch single-trial EEGs recorded during the janken task where the subject spoke in Japanese. After analyzing the EEG by ICA, a Kalman filter was learned from the reconstructed EEGs, equivalent to which dipoles were localized to the premotor cortex by ECDL, and spectrograms of the speech signals simultaneously recorded. The model spectrograms were predicted from single-trial EEGs recorded during the silent janken tasks. The preliminary results were that all the silent seven “rock” and twelve “paper” ICs were correctly recognized in terms of that the spectrograms approched the target regions of vowels.
Keyword (in Japanese) (See Japanese page) 
(in English) silent speech / BCI / ICA / ECDL / Kalman filter / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 383, HCS2010-52, pp. 49-52, Jan. 2011.
Paper # HCS2010-52 
Date of Issue 2011-01-14 (HCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee HCS  
Conference Date 2011-01-21 - 2011-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HCS 
Conference Code 2011-01-HCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Silent speech BCI 
Sub Title (in English) using single-trial EEGs and speech signals 
Keyword(1) silent speech  
Keyword(2) BCI  
Keyword(3) ICA  
Keyword(4) ECDL  
Keyword(5) Kalman filter  
1st Author's Name Keiji Matsunaga  
1st Author's Affiliation Kyusyu Institute of Technology (KIT)
2nd Author's Name Keiichi Yamamoto  
2nd Author's Affiliation Kyusyu Institute of Technology (KIT)
3rd Author's Name Kazufumi Tanaka  
3rd Author's Affiliation Kyusyu Institute of Technology (KIT)
4th Author's Name Toshimasa Yamazaki  
4th Author's Affiliation Kyusyu Institute of Technology (KIT)
5th Author's Name Ken-ichi Kamijo  
5th Author's Affiliation NEC (NEC)
6th Author's Name Takahiro Yamanoi  
6th Author's Affiliation Hokkai Gakuen Univ. (HGU)
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Date Time 2011-01-21 15:00:00 
Presentation Time 30 
Registration for HCS 
Paper # IEICE-HCS2010-52 
Volume (vol) IEICE-110 
Number (no) no.383 
Page pp.49-52 
#Pages IEICE-4 
Date of Issue IEICE-HCS-2011-01-14 

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