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Paper Abstract and Keywords
Presentation 2021-05-24 16:15
Relationship between subjective evaluation of emotional images and pupillary reactions
Jijika Murokawa, Minoru Nakayama (Tokyo Tech.) HCS2021-8 HIP2021-8
Abstract (in Japanese) (See Japanese page) 
(in English) Relationships between emotion evoked images and pupil responses were analysed, and a possibility of estimation for impressed emotion was confirmed.
During an experiment, pupil responses for 67 emotion evoked images were observed while their subjective impression were measured using two dimensional 9-point scale. The individual ratings were analysed using item response theory (IRT), and compensated scaled sensitivities were extracted.
The results showed that pupil sizes were maximised by divided scales. Though pupil sizes did not change with scale of arousal, there were significant interaction in pupil sizes between two rating scales.
Estimated rating values were calculated from pupil responses using linear models, their accuracies were evaluated by indices of similarity between image impression and predicted values.
In regards to the results of similarity, the possibility of prediction for emotional condition of images was confirmed using pupil responses.
Keyword (in Japanese) (See Japanese page) 
(in English) Pupil / Emotion / Image impression / Item response theory / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 38, HIP2021-8, pp. 38-43, May 2021.
Paper # HIP2021-8 
Date of Issue 2021-05-17 (HCS, HIP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 HCS2021-8 HIP2021-8

Conference Information
Committee HCS HIP HI-SIGCE  
Conference Date 2021-05-24 - 2021-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Communication Enhancing, Human Communications, and Human Information Processing 
Paper Information
Registration To HIP 
Conference Code 2021-05-HCS-HIP-SIGCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relationship between subjective evaluation of emotional images and pupillary reactions 
Sub Title (in English)  
Keyword(1) Pupil  
Keyword(2) Emotion  
Keyword(3) Image impression  
Keyword(4) Item response theory  
1st Author's Name Jijika Murokawa  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
2nd Author's Name Minoru Nakayama  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
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Date Time 2021-05-24 16:15:00 
Presentation Time 25 
Registration for HIP 
Paper # IEICE-HCS2021-8,IEICE-HIP2021-8 
Volume (vol) IEICE-121 
Number (no) no.37(HCS), no.38(HIP) 
Page pp.38-43 
#Pages IEICE-6 
Date of Issue IEICE-HCS-2021-05-17,IEICE-HIP-2021-05-17 

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