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Paper Abstract and Keywords
Presentation 2014-03-08 15:20
Evaluation of effect for space position recognition of presentation conditions on powered mechanical leading method
Tadahiro Sakai, Takuya Handa, Toshihiro Shimizu (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a powered mechanical leading method to make it easier for visually impaired people to rapidly understand two-dimensional information displayed on a tactile display. A force was mechanically induced on the user’s fingers before the user began to tactilely explore content like illustrations and graphs to convey the overall configuration of the content. Here, we evaluate the effect of presentation conditions of the powered mechanical leading method on space recognition. The presentation conditions of mechanical leading speed and stay time at the object were set. In the experiment, after having been led to the position of four objects by powered mechanical leading, the subject indicated the space position by the recall method. The evaluation index was performed with the distance of the error of being located between an instruction position and a reproduction position. As a result, it was found that the reproduction error of the space position (a) depended on the distance to lead, (b) was in the minimum value range depending on the object-to-object leading speed, and (c) increased when the object-to-object leading speed and the contour of the object leading speed were the same.
Keyword (in Japanese) (See Japanese page) 
(in English) Visually impaired people / Tactile display / Local area vibration / Powered mechanical leading presentation / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 481, WIT2013-90, pp. 127-132, March 2014.
Paper # WIT2013-90 
Date of Issue 2014-02-28 (WIT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee WIT  
Conference Date 2014-03-07 - 2014-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Kasuga Campus, Tsukuba University of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Well-being Information Technology, etc. 
Paper Information
Registration To WIT 
Conference Code 2014-03-WIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of effect for space position recognition of presentation conditions on powered mechanical leading method 
Sub Title (in English)  
Keyword(1) Visually impaired people  
Keyword(2) Tactile display  
Keyword(3) Local area vibration  
Keyword(4) Powered mechanical leading presentation  
1st Author's Name Tadahiro Sakai  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Takuya Handa  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Toshihiro Shimizu  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
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Date Time 2014-03-08 15:20:00 
Presentation Time 25 
Registration for WIT 
Paper # IEICE-WIT2013-90 
Volume (vol) IEICE-113 
Number (no) no.481 
Page pp.127-132 
#Pages IEICE-6 
Date of Issue IEICE-WIT-2014-02-28 

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