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Paper Abstract and Keywords
Presentation 2011-03-15 13:10
Analyzing heart rate variability induced by 2D and 3D visual stimuli using ICA
Takuya Kume, Fausto Lucena, Hiroaki Kudo, Noboru Ohnishi (Nagoya Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Heart rate variability(HRV)have been used to show the variations of the autonomic nervous system (ANS) activity. In practice, short-time Fourier transform (STFT) and wavelet transform (WT) are used as time and frequency technique to estimate changes in the power spectra of HRV. As a problem, however, it is that these methods are limited that they use fixed basis function which required a prior knowledge about the data. On the other hand, independent component analysis (ICA) learns basis functions based on the statistical characteristics of the data. In this paper, we examine whether HRV basis functions trained by ICA are useful or not to evaluate the ANS variations. In the psychological experiment, we applied learned basis functions to analyze HRV while watching a video by 2D and 3D display. We obtained the results that suggest basis functions learned by ICA are an effective way to represent changes in LF/HF of HRV power spectra comparing to STFT.
Keyword (in Japanese) (See Japanese page) 
(in English) Heart rate variability / Visual stimuli / Independent component analysis / Visualization / / / /  
Reference Info. ITE Tech. Rep., vol. 35, no. 16, HI2011-29, pp. 1-4, March 2011.
Paper # HI2011-29 
Date of Issue 2011-03-08 (HI) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee HI  
Conference Date 2011-03-15 - 2011-03-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Univ. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HI 
Conference Code 2011-03-HI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analyzing heart rate variability induced by 2D and 3D visual stimuli using ICA 
Sub Title (in English)  
Keyword(1) Heart rate variability  
Keyword(2) Visual stimuli  
Keyword(3) Independent component analysis  
Keyword(4) Visualization  
1st Author's Name Takuya Kume  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Fausto Lucena  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Hiroaki Kudo  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Noboru Ohnishi  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2011-03-15 13:10:00 
Presentation Time 20 minutes 
Registration for HI 
Paper # HI2011-29 
Volume (vol) vol.35 
Number (no) no.16 
Page pp.1-4 
Date of Issue 2011-03-08 (HI) 

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