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Paper Abstract and Keywords
Presentation 2017-03-07 14:40
The perception of curved surface depending on viewing distance
Hatsuho Aoshima, Shunji Sato (UEC)
Abstract (in Japanese) (See Japanese page) 
(in English) We investigated the perceptual difference of cylindrically curved surfaces of random-dot-stereograms (RDS) and real objects. The ‘real’ objects used in this study are transparent sheet filled with with random-dots, and the objects are illuminated by the back light emitted from a LED monitor. In experiments of this study, human subjects observed cylinders of five kinds of radii with three different viewing distances. Experimental results indicate that the perceptual difference of depth between RDSs and real objects depends on the viewing distance and the visual angle of objects. Moreover, we find a mathematically simple description of perceived surface, viewing distance and visual angle of objects. As an application of virtual reality, we propose a method computing horizontal difference of RDSs which could be perceived as the same surfaces of real objects.
Keyword (in Japanese) (See Japanese page) 
(in English) viewing distance / disparity / random dot stereogram / perception of depth / / / /  
Reference Info. ITE Tech. Rep., vol. 41, March 2017.
Paper #  
Date of Issue 2017-02-28 (3DIT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee 3DMT  
Conference Date 2017-03-07 - 2017-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To 3DMT 
Conference Code 2017-03-3DIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The perception of curved surface depending on viewing distance 
Sub Title (in English)  
Keyword(1) viewing distance  
Keyword(2) disparity  
Keyword(3) random dot stereogram  
Keyword(4) perception of depth  
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1st Author's Name Hatsuho Aoshima  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Shunji Sato  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker
Date Time 2017-03-07 14:40:00 
Presentation Time 20 
Registration for 3DMT 
Paper # 3DIT2017-5 
Volume (vol) 41 
Number (no) no.8 
Page pp.17-20 
#Pages
Date of Issue 2017-02-28 (3DIT) 


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