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Paper Abstract and Keywords
Presentation 2011-10-17 14:30
Perception of image statistics and empirical Bayes
Satohiro Tajima (NHK Nagano)
Abstract (in Japanese) (See Japanese page) 
(in English) Extracting statistical information such as texture or contrast from visual stimuli is an important task for visual processing in both biological and engineering context. The extraction of statistics is interpreted as a process equivalent to hyperparameter estimation in Bayesian theory. This report proposes a framework of empirical Bayes for evaluating the effect of information processing with tiled receptive field structure, which is typically observed in animal retina, on the precision of transferring image statistics information. For a concrete example, I conducted a simulation to derive a relation between receptive field shapes and the communication performance of image statistics under channel noises by quantifying it with Fisher information. The results predict the dependencies of human texture perception on the visual fields and/or information processing pathways such as Magno/Parvo-cellular system.
Keyword (in Japanese) (See Japanese page) 
(in English) image statistics / texture / Bayes / Fisher information / receptive field / Magno / Parvo / retina  
Reference Info. ITE Tech. Rep., vol. 35, no. 40, HI2011-66, pp. 13-16, Oct. 2011.
Paper # HI2011-66 
Date of Issue 2011-10-10 (IDY, HI, 3DIT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2011-10-17 - 2011-10-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To HI 
Conference Code 2011-10-IDY-3DIT-HI-EID-OQD-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Perception of image statistics and empirical Bayes 
Sub Title (in English)  
Keyword(1) image statistics  
Keyword(2) texture  
Keyword(3) Bayes  
Keyword(4) Fisher information  
Keyword(5) receptive field  
Keyword(6) Magno  
Keyword(7) Parvo  
Keyword(8) retina  
1st Author's Name Satohiro Tajima  
1st Author's Affiliation Japan Broadcasting Corporation, Nagano station (NHK Nagano)
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Date Time 2011-10-17 14:30:00 
Presentation Time 30 
Registration for HI 
Paper # ITE-IDY2011-45,ITE-HI2011-66,ITE-3DIT2011-75 
Volume (vol) ITE-35 
Number (no) no.40 
Page pp.13-16 
#Pages ITE-4 
Date of Issue ITE-IDY-2011-10-10,ITE-HI-2011-10-10,ITE-3DIT-2011-10-10 

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