Presentation 2015-03-13
A Study on Discriminability of Sizes of Tactile Dot Symbols Printed on Swell Paper : Comparison between Blind People and Sighted People
Takahiro YAMAZAKI, Tetsuya WATANABE,
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Abstract(in English) We conducted an experiment to find highly discriminable combinations of tactile circular dot symbols on swell paper with blind and sighted persons as subjects. Dot diameters varied from 1 mm to 5 mm by a 0.5 mm step. These dots were presented to the subjects in a paired comparison experiment and they were asked to answer which dot was larger or both were the same size. As the result, the thresholds for 1.5 mm to 3.5 mm diameter circular dots were found to be around 0.5 mm to 0.7 mm. These values are smaller than the ones in the previous research. The thresholds were compared between blind and sighted persons and it was found that there was no significant difference for 1.5 mm to 3.5 mm diameter circular dots.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Tactile Dot Symbol / Size Discrimination / Blind People / Swell Paper
Paper # WIT2014-98
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Committee WIT
Conference Date 2015/3/6(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Discriminability of Sizes of Tactile Dot Symbols Printed on Swell Paper : Comparison between Blind People and Sighted People
Sub Title (in English)
Keyword(1) Tactile Dot Symbol
Keyword(2) Size Discrimination
Keyword(3) Blind People
Keyword(4) Swell Paper
1st Author's Name Takahiro YAMAZAKI
1st Author's Affiliation Graduate School of Science and Technology, University of Niigata()
2nd Author's Name Tetsuya WATANABE
2nd Author's Affiliation Faculty of Engineering, University of Niigata
Date 2015-03-13
Paper # WIT2014-98
Volume (vol) vol.114
Number (no) 512
Page pp.pp.-
#Pages 5
Date of Issue