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Paper Abstract and Keywords
Presentation 2016-09-28 10:00
A technique for measuring the pupil diameter via webcam
Sohei Sato, Masami Ishihara (Tokyo Metropolitan Univ.) HIP2016-50
Abstract (in Japanese) (See Japanese page) 
(in English) It has been shown that the eye-pupil size is modulated by emotional events. This mechanism is mediated by the autonomic nervous system: Pupil dilation is associated with the dominant activities of the sympathetic nervous system, whereas pupil constriction is associated with the activities of the parasympathetic nervous system. The present study attempted to build an integrated system for measuring the eye-pupil diameter via webcam. The system consisted of three components, these are, 1) projecting of an infrared light-emitting diode, 2) recording of the eye pupil, and 3) detecting/analyzing the pupil diameter. We utilized this system and showed a possible detectability of the participants’ pupil diameter in our experiment, proposing an “inexpensive” device for measuring the eye-pupil size via webcam.
Keyword (in Japanese) (See Japanese page) 
(in English) Pupil diameter / Webcam / Measurement / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 229, HIP2016-50, pp. 37-40, Sept. 2016.
Paper # HIP2016-50 
Date of Issue 2016-09-20 (HIP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF HIP2016-50

Conference Information
Committee HIP  
Conference Date 2016-09-27 - 2016-09-28 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Eye movement and perception, Control and measurement of eye movement, Accommodation and pupil, etc. 
Paper Information
Registration To HIP 
Conference Code 2016-09-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A technique for measuring the pupil diameter via webcam 
Sub Title (in English)  
Keyword(1) Pupil diameter  
Keyword(2) Webcam  
Keyword(3) Measurement  
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1st Author's Name Sohei Sato  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Masami Ishihara  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
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Speaker Author-1 
Date Time 2016-09-28 10:00:00 
Presentation Time 25 minutes 
Registration for HIP 
Paper # HIP2016-50 
Volume (vol) vol.116 
Number (no) no.229 
Page pp.37-40 
#Pages 4 
Date of Issue 2016-09-20 (HIP) 

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