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Paper Abstract and Keywords
Presentation 2014-09-26 15:00
Derivation of Optimal Line Space for Legible Japanese Documents Based on Psychological Experiment
Yugo Yonezu, Naoto Ishikawa, Toshikazu Matsui (Gunma Univ.) HIP2014-57
Abstract (in Japanese) (See Japanese page) 
(in English) There have been two kinds of methods to derive the optimal line space to make documents the most legible. One is a method based on psychological experiments. The other is a method based on the model of the human vision’s accommodation mechanism. It was clarified that the theoretical ratio of the optimal line space to the character height was quantitatively smaller than the experimental one. This research examines the cause of the quantitative difference by conducting another psychological experiment based on Scheffe's method of paired comparison. Consequently, the following results are obtained: (1) the optimal line space maximizes the average preference value; (2) the ratio of the optimal line space to the character height decreases monotonically with an increase in the character height in the same way as the conventional results; (3) the ratio is located between the conventional psychological and theoretical ratios. These results suggest that the conventional psychological results are lowered and the theoretical results are enhanced relatively, in other words, there is an increasing possibility that the optimal line space can be closely related not only to the accommodation mechanism, but also to the other mechanism in human vision.
Keyword (in Japanese) (See Japanese page) 
(in English) Optimal line space / Legibility / Psychological experiment / Average preference / Font size / Accommodation model / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 226, HIP2014-57, pp. 75-80, Sept. 2014.
Paper # HIP2014-57 
Date of Issue 2014-09-18 (HIP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee HIP  
Conference Date 2014-09-25 - 2014-09-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Nara Prefectural New Public Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HIP 
Conference Code 2014-09-HIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Derivation of Optimal Line Space for Legible Japanese Documents Based on Psychological Experiment 
Sub Title (in English)  
Keyword(1) Optimal line space  
Keyword(2) Legibility  
Keyword(3) Psychological experiment  
Keyword(4) Average preference  
Keyword(5) Font size  
Keyword(6) Accommodation model  
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1st Author's Name Yugo Yonezu  
1st Author's Affiliation Gunma University (Gunma Univ.)
2nd Author's Name Naoto Ishikawa  
2nd Author's Affiliation Gunma University (Gunma Univ.)
3rd Author's Name Toshikazu Matsui  
3rd Author's Affiliation Gunma University (Gunma Univ.)
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Speaker
Date Time 2014-09-26 15:00:00 
Presentation Time 25 
Registration for HIP 
Paper # IEICE-HIP2014-57 
Volume (vol) IEICE-114 
Number (no) no.226 
Page pp.75-80 
#Pages IEICE-6 
Date of Issue IEICE-HIP-2014-09-18 


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