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Paper Abstract and Keywords
Presentation 2018-06-13 16:15
Decoding Covert Spatial Attention using Privacy-preserving Sparse Coding
Takayuki Nakachi, Hiroyuki Ishihara (NTT), Hitoshi Kiya (Tokyo Metro. Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Brain-machine interface (BMI) has attracted much attention not only in biomedical engineering fields but also in ICT human communications. Especially, methods of neural decoding have rapidly developed over the last decade in neuroscience, allowing us to read out the contents of human perception and subjective mental states from measured brain activity patterns. On the other hand, the development of the neural decoding will generate concern about privacy violation. In this manuscript, we propose a secure BMI decoding method based on a sparse coding computation for a covert spatial attention task. It is shown that the secure sparse coding computation enables us to not only protects observed signals,
but also have the same estimation performance as that of sparse coding with unprotected observed signals .
Keyword (in Japanese) (See Japanese page) 
(in English) BMI / Brain Decoding / Machine Learning / Sparse Coding / Information Hiding / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 80, NC2018-8, pp. 15-20, June 2018.
Paper # NC2018-8 
Date of Issue 2018-06-06 (NC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee NC IBISML IPSJ-BIO IPSJ-MPS  
Conference Date 2018-06-13 - 2018-06-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Institute of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Machine Learning Approach to Biodata Mining, and General 
Paper Information
Registration To NC 
Conference Code 2018-06-NC-IBISML-BIO-MPS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Decoding Covert Spatial Attention using Privacy-preserving Sparse Coding 
Sub Title (in English)  
Keyword(1) BMI  
Keyword(2) Brain Decoding  
Keyword(3) Machine Learning  
Keyword(4) Sparse Coding  
Keyword(5) Information Hiding  
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1st Author's Name Takayuki Nakachi  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Hiroyuki Ishihara  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Hitoshi Kiya  
3rd Author's Affiliation Tokyo Metropolitan University (Tokyo Metro. Univ.)
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Speaker
Date Time 2018-06-13 16:15:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2018-8 
Volume (vol) IEICE-118 
Number (no) no.80 
Page pp.15-20 
#Pages IEICE-6 
Date of Issue IEICE-NC-2018-06-06 


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