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Paper Abstract and Keywords
Presentation 2009-10-21 10:40
Study on Jerkiness of Moving Images Produced by High-Density Directional Display (I) -- Characteristics Under Static Viewing Condition --
Kentaro Kozako, Yasuhiro Takaki (Tokyo Univ. of Agri. and Tech.)
Abstract (in Japanese) (See Japanese page) 
(in English) When a frame rate is decreased or an image moves fast, jerky movement called “jerkiness” is perceived. A number of researches have been done to characterize jerkiness for 2D images. However, jerkiness for 3D images has not been studied. The aim of this research is to characterize jerkiness for a high-density directional display that has been developed as a natural 3D display. In this paper, we conducted subjective evaluations under static viewing condition. We found that jerkiness was more noticeable for a nearer 3D image, and jerkiness was less noticeable for a further 3D image. We showed that, when a velocity of 3D image was described by a visual angle velocity, detection threshold and tolerance threshold of jerkiness were determined by a visual angle velocity and a frame rate. This characteristic is equivalent to that which had already been reported for 2D images.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D Display / High-Density Directional Display / Jerkiness / / / / /  
Reference Info. ITE Tech. Rep., vol. 33, no. 42, 3DIT2009-68, pp. 9-12, Oct. 2009.
Paper # 3DIT2009-68 
Date of Issue 2009-10-14 (IDY, 3DIT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee 3DIT IDY  
Conference Date 2009-10-21 - 2009-10-21 
Place (in Japanese) (See Japanese page) 
Place (in English) NHK STRL 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To 3DIT 
Conference Code 2009-10-3DIT-IDY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Jerkiness of Moving Images Produced by High-Density Directional Display (I) 
Sub Title (in English) Characteristics Under Static Viewing Condition 
Keyword(1) 3D Display  
Keyword(2) High-Density Directional Display  
Keyword(3) Jerkiness  
1st Author's Name Kentaro Kozako  
1st Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agri. and Tech.)
2nd Author's Name Yasuhiro Takaki  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agri. and Tech.)
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Date Time 2009-10-21 10:40:00 
Presentation Time 30 
Registration for 3DIT 
Paper # ITE-IDY2009-94,ITE-3DIT2009-68 
Volume (vol) ITE-33 
Number (no) no.42 
Page pp.9-12 
#Pages ITE-4 
Date of Issue ITE-IDY-2009-10-14,ITE-3DIT-2009-10-14 

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