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Paper Abstract and Keywords
Presentation 2012-09-28 13:30
Evaluation of the factor to affect the spatial recognition of enlarged presentation on a tactile display -- To convey a figure/graph information to the visually impaired people --
Tadahiro Sakai, Takuya Handa, Toshihiro Shimizu (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) We report a trial to assess users' ability to quickly and accurately grasp patterns such as figures and menus presented on a tactile display. Using an enlarged display with limited pin spacing and display area, we found that enlargement and application of vibration to individual objects clearly affected users' ability to perceive the spatial position of objects. When subjects were asked to reproduce the positions of patterns of arbitrarily-placed objects that they previously sensed by touch, we found that (a) the spatial position error increased for non-integral enlargement ratios, (b) the spatial position error tended to decrease with the application of vibration, and (c) the relationship between enlargement and reproduced position error depends on the object pattern.
Keyword (in Japanese) (See Japanese page) 
(in English) Visually impaired people / Tactile display / GUI / Enlarged presentation / Spatial Perception / Vibration stimuli / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 223, WIT2012-10, pp. 1-6, Sept. 2012.
Paper # WIT2012-10 
Date of Issue 2012-09-21 (SP, WIT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SP WIT  
Conference Date 2012-09-28 - 2012-09-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Shibaura Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Welfare and speech processing, etc. 
Paper Information
Registration To WIT 
Conference Code 2012-09-SP-WIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of the factor to affect the spatial recognition of enlarged presentation on a tactile display 
Sub Title (in English) To convey a figure/graph information to the visually impaired people 
Keyword(1) Visually impaired people  
Keyword(2) Tactile display  
Keyword(3) GUI  
Keyword(4) Enlarged presentation  
Keyword(5) Spatial Perception  
Keyword(6) Vibration stimuli  
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Keyword(8)  
1st Author's Name Tadahiro Sakai  
1st Author's Affiliation NHK Science & Technology Research Lab. (NHK)
2nd Author's Name Takuya Handa  
2nd Author's Affiliation NHK Science & Technology Research Lab. (NHK)
3rd Author's Name Toshihiro Shimizu  
3rd Author's Affiliation NHK Science & Technology Research Lab. (NHK)
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Speaker
Date Time 2012-09-28 13:30:00 
Presentation Time 30 
Registration for WIT 
Paper # IEICE-SP2012-58,IEICE-WIT2012-10 
Volume (vol) IEICE-112 
Number (no) no.222(SP), no.223(WIT) 
Page pp.1-6 
#Pages IEICE-6 
Date of Issue IEICE-SP-2012-09-21,IEICE-WIT-2012-09-21 


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