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Paper Abstract and Keywords
Presentation 2014-03-04 16:55
A quantitative evaluation of attentional concentration based on drift eye movement analyses
Daisuke Noguchi, Takeshi Kohama, Sho Kikkawa, Hisashi Yoshida (Kinki Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this study is to evaluate the effects of visual attention on the dynamics of drift eye movements objectively. We proposed a signal processing method to separate drift eye movements and microsaccades from fixation eye movements in the experiments which control attentional concentration to the foveal region, and compared the properties of extracted drift eye movements between the conditions of attentional intensities. In our method, microsaccades are detected by using an order-statistic low-pass differentiation filter. The start- and end-point of each microsaccades is discriminated by a discrete pulse transform analysis, then microsaccades are removed from the data. These gaps are filling through the use of an autoregressive model to extract pure drift eye movements. After the extraction of drift eye movements, we analyzed the frequency components and mean-square displacements to examine the fluctuation properties of the drifts. As results, drift eye movements were not influenced by the foveal attention allocation, rather affected by diffusing attention to the peripheral visual field.
Keyword (in Japanese) (See Japanese page) 
(in English) Drift eye movements / Microsaccades / RSVP tasks / Visual attention / Attentional concentration / / /  
Reference Info. ITE Tech. Rep., vol. 38, no. 10, HI2014-39, pp. 45-48, March 2014.
Paper # HI2014-39 
Date of Issue 2014-02-25 (HI) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee HI  
Conference Date 2014-03-04 - 2014-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Agriculture and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Audio-Visual Technology, Human Interface, etc. 
Paper Information
Registration To HI 
Conference Code 2014-03-HI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A quantitative evaluation of attentional concentration based on drift eye movement analyses 
Sub Title (in English)  
Keyword(1) Drift eye movements  
Keyword(2) Microsaccades  
Keyword(3) RSVP tasks  
Keyword(4) Visual attention  
Keyword(5) Attentional concentration  
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1st Author's Name Daisuke Noguchi  
1st Author's Affiliation Department of Electronic System and Information Engineering, Graduate School of Biology-Oriented Science and Technology, Kinki U (Kinki Univ.)
2nd Author's Name Takeshi Kohama  
2nd Author's Affiliation Department of Computational Systems Biology, Faculty of Biology-Oriented Science and Technology, Kinki University (Kinki Univ.)
3rd Author's Name Sho Kikkawa  
3rd Author's Affiliation Department of Computational Systems Biology, Kinki University (Kinki Univ.)
4th Author's Name Hisashi Yoshida  
4th Author's Affiliation Department of Computational Systems Biology, Faculty of Biology-Oriented Science and Technology, Kinki University (Kinki Univ.)
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Speaker Author-1 
Date Time 2014-03-04 16:55:00 
Presentation Time 25 minutes 
Registration for HI 
Paper # HI2014-39 
Volume (vol) vol.38 
Number (no) no.10 
Page pp.45-48 
#Pages 4 
Date of Issue 2014-02-25 (HI) 

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