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Paper Abstract and Keywords
Presentation 2011-11-10 15:30
Theoretical Derivation of Optimal Line Space in Document Images in Terms of Accommodation in Human Vision
Tomomi Miyata, Toshikazu Matsui (Gunma Univ.) HIP2011-46
Abstract (in Japanese) (See Japanese page) 
(in English) We develop a framework that theoretically derives the optimal line space to make document images the most legible in terms of accommodation in human vision. This is achieved by using the two-dimensional model of the accommodation mechanism. The document images used here are pseudo images in which black squares are substituted for characters. Consequently, the following results are obtained: (1) the document style (vertical or horizontal writing) can be detected by comparing the model’s evaluation function values; (2) the theoretically derived ratio of the optimal line space length to the character height is nearly equal to the psychologically derived one; (3) the optimal line space length changes depending on font size in the same way as the conventional results. These results suggest that the proposed framework is effective in deriving the optimal line space to make document images the most legible and that the optimal line space can be closely related to the accommodation mechanism.
Keyword (in Japanese) (See Japanese page) 
(in English) Accommodation / Two-dimensional model / Pseudo document image / Optimal line space / Character gap / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 283, HIP2011-46, pp. 17-22, Nov. 2011.
Paper # HIP2011-46 
Date of Issue 2011-11-03 (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 ITE-HI ITE-CE  
Conference Date 2011-11-10 - 2011-11-11 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HIP 
Conference Code 2011-11-HIP-HI-CE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Theoretical Derivation of Optimal Line Space in Document Images in Terms of Accommodation in Human Vision 
Sub Title (in English)  
Keyword(1) Accommodation  
Keyword(2) Two-dimensional model  
Keyword(3) Pseudo document image  
Keyword(4) Optimal line space  
Keyword(5) Character gap  
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1st Author's Name Tomomi Miyata  
1st Author's Affiliation Gunma University (Gunma Univ.)
2nd Author's Name Toshikazu Matsui  
2nd Author's Affiliation Gunma University (Gunma Univ.)
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Speaker
Date Time 2011-11-10 15:30:00 
Presentation Time 30 
Registration for HIP 
Paper # IEICE-HIP2011-46 
Volume (vol) IEICE-111 
Number (no) no.283 
Page pp.17-22 
#Pages IEICE-6 
Date of Issue IEICE-HIP-2011-11-03 


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