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Paper Abstract and Keywords
Presentation 2023-11-10 14:05
Development and effectiveness of a vergence distance correction method for adding appropriate DoF blur during VR observation
Shunki Hashimoto, Katsunori Okajima (Yokohama National Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) When the convergence distance is measured from the viewpoint position during VR observation, there is a "gap" between the distance to the gazing point and the distance to the gazing point. In this study, we developed a method to obtain the distance to the gazing point in the virtual space by correcting the vergence distance, and developed a VR system that adds appropriate focus blur. To confirm the usefulness of this calibration system, we evaluated depth perception and bokeh in VR and real environments. Depth perception was overestimated in the VR environment compared to the real environment, regardless of the presence or absence of blur and regardless of correction. In addition, focal blur using the corrected vergence distance was less disconcerting than focal blur using the uncorrected vergence distance, allowing the gazing point to be clearly projected.
Keyword (in Japanese) (See Japanese page) 
(in English) Virtual Reality / Vergence / Accommodation / Bokeh / Depth Perception / / /  
Reference Info. ITE Tech. Rep., vol. 47, pp. 13-16, Nov. 2023.
Paper #  
Date of Issue 2023-11-03 (HI) 
ISSN Online edition: ISSN 2424-1970
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Conference Information
Committee HI VRPSY JSKE  
Conference Date 2023-11-10 - 2023-11-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Wakayama Big-ai, Room 801 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To VRPSY 
Conference Code 2023-11-HI-VRPSY-JSKE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development and effectiveness of a vergence distance correction method for adding appropriate DoF blur during VR observation 
Sub Title (in English)  
Keyword(1) Virtual Reality  
Keyword(2) Vergence  
Keyword(3) Accommodation  
Keyword(4) Bokeh  
Keyword(5) Depth Perception  
1st Author's Name Shunki Hashimoto  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Katsunori Okajima  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2023-11-10 14:05:00 
Presentation Time 20 minutes 
Registration for VRPSY 
Paper # HI2023-18 
Volume (vol) vol.47 
Number (no) no.35 
Page pp.13-16 
Date of Issue 2023-11-03 (HI) 

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