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Paper Abstract and Keywords
Presentation 2012-01-28 10:15
Evaluation of Discriminability of Textures with Various Dot Patterns on Embossed Graphics
Ken Watanabe, Tetsuya Watanabe, Toshimitsu Yamaguchi (Niigata Univ.), Susumu Oouchi (NISE), Yutaka Takaoka (Kobe Univ. HP), Shinichi Kita, Kazuya Ishibashi (Kobe Univ.) WIT2011-59
Abstract (in Japanese) (See Japanese page) 
(in English) We conducted an experiment to find highly discriminable combinations of area symbols on embossed graphics with sighted and blind persons as subjects. In the experiment, we measured subjective evaluation on differences of textures and reaction times by pair comparisons with dot patterns of ten different dot distances and three dot diameters as stimuli of area symbols. The experimental result showed that dot patterns with more than 2.1mm differences in dot distances among the same dot diameter are highly discriminable and those with more than 1.4mm differences in dot distances among the different dot diameters. From these results, we selected appropriate pairs of dot patterns on embossed maps, taking the range of area symbols in consideration.
Keyword (in Japanese) (See Japanese page) 
(in English) Blind Persons / Tactile Maps / Embossed Graphics / Tactile Symbols / Dot Patterns / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 424, WIT2011-59, pp. 45-49, Jan. 2012.
Paper # WIT2011-59 
Date of Issue 2012-01-20 (WIT) 
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)
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Conference Information
Committee WIT  
Conference Date 2012-01-27 - 2012-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Well-being Information Technology 
Paper Information
Registration To WIT 
Conference Code 2012-01-WIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Discriminability of Textures with Various Dot Patterns on Embossed Graphics 
Sub Title (in English)  
Keyword(1) Blind Persons  
Keyword(2) Tactile Maps  
Keyword(3) Embossed Graphics  
Keyword(4) Tactile Symbols  
Keyword(5) Dot Patterns  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ken Watanabe  
1st Author's Affiliation University of Niigata (Niigata Univ.)
2nd Author's Name Tetsuya Watanabe  
2nd Author's Affiliation University of Niigata (Niigata Univ.)
3rd Author's Name Toshimitsu Yamaguchi  
3rd Author's Affiliation University of Niigata (Niigata Univ.)
4th Author's Name Susumu Oouchi  
4th Author's Affiliation National Institute of Special Needs Education (NISE)
5th Author's Name Yutaka Takaoka  
5th Author's Affiliation Kobe University Hospital (Kobe Univ. HP)
6th Author's Name Shinichi Kita  
6th Author's Affiliation Kobe University (Kobe Univ.)
7th Author's Name Kazuya Ishibashi  
7th Author's Affiliation Kobe University (Kobe Univ.)
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Speaker Author-1 
Date Time 2012-01-28 10:15:00 
Presentation Time 30 minutes 
Registration for WIT 
Paper # WIT2011-59 
Volume (vol) vol.111 
Number (no) no.424 
Page pp.45-49 
#Pages 5 
Date of Issue 2012-01-20 (WIT) 

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