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Paper Abstract and Keywords
Presentation 2020-07-31 10:40
Evaluation of Sensation of Realness by Paired Comparison of High Resolution HDR Images
Kosuke Nomura, Kenichiro Masaoka, Yuichi Kusakabe (NHK)
Abstract (in Japanese) (See Japanese page) 
(in English) A subjective evaluation experiment under the standard dynamic range (SDR) condition was past conducted on the purpose of verifying relationships between angular resolution images and a sensation of realness such that real objects are there. The results revealed that the sensation of realness monotonically increases up to 60 cpd (cycles per degree) which is equivalent to two pixels per minute in the angle of sight and then it becomes saturated above 60 cpd. The sensation of realness under the high dynamic range (HDR) condition has not yet been studied, it has possibility such that the relationships between angular resolution and the sensation of realness varies by the HDR effect. Hence, we conducted a subjective evaluation experiment to examine whether the angular resolution at which the sensation of realness becomes saturated can vary according to the dynamic range. The results indicate that there is a reproducibility of previous experiment’s results and the angular resolution at which the sensation of realness is saturated under the HDR condition is approximately 60 cpd, which is the same value as obtained under the SDR condition.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensation of realness / High dynamic range (HDR) / Standard dynamic range (SDR) / Paired comparison method / / / /  
Reference Info. ITE Tech. Rep., vol. 44, no. 16, BCT2020-49, pp. 1-4, July 2020.
Paper # BCT2020-49 
Date of Issue 2020-07-24 (BCT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee BCT IEEE-BT  
Conference Date 2020-07-31 - 2020-07-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Broadcast Operating, Transmission & Reception, Program creation, Broadcast master control , etc 
Paper Information
Registration To BCT 
Conference Code 2020-06-BCT-BT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Sensation of Realness by Paired Comparison of High Resolution HDR Images 
Sub Title (in English)  
Keyword(1) Sensation of realness  
Keyword(2) High dynamic range (HDR)  
Keyword(3) Standard dynamic range (SDR)  
Keyword(4) Paired comparison method  
1st Author's Name Kosuke Nomura  
1st Author's Affiliation NHK Science & Technologies Research Laboratories (NHK)
2nd Author's Name Kenichiro Masaoka  
2nd Author's Affiliation NHK Science & Technologies Research Laboratories (NHK)
3rd Author's Name Yuichi Kusakabe  
3rd Author's Affiliation NHK Science & Technologies Research Laboratories (NHK)
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Date Time 2020-07-31 10:40:00 
Presentation Time 25 
Registration for BCT 
Paper # ITE-BCT2020-49 
Volume (vol) ITE-44 
Number (no) no.16 
Page pp.1-4 
#Pages ITE-4 
Date of Issue ITE-BCT-2020-07-24 

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