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Paper Abstract and Keywords
Presentation 2014-11-28 14:35
Temporal properties of material category recognition -- relationship to surface quality features --
Takehiro Nagai (YAMAGATA Univ), Toshiki Matsushima, Kowa Koida, Yusuke Tani, Michiteru Kitazaki, Shigeki Nakauchi (Toyohashi Tech)
Abstract (in Japanese) (See Japanese page) 
(in English) We measured reaction times and effects of stimulus durations for material category discrimination tasks in psychophysical experiments. In addition, we analyzed these temporal properties focusing on the relationship to perceptual surface qualities on objects such as glossiness and roughness. In the results, visual surface features (e.g., glossiness and translucency) more strongly affected the temporal properties when reaction times and stimulus durations were short, while non-visual surface features (e.g., roughness and heaviness) more strongly affected the temporal properties when they were long. These results suggest that the mechanisms underlying visual and non-visual feature processing may differ in terms of relationship to higher-order material recognition, or processing time and processing load.
Keyword (in Japanese) (See Japanese page) 
(in English) Material perception / material category / surface feature / psychophysics / / / /  
Reference Info. ITE Tech. Rep., vol. 38, no. 46, HI2014-63, pp. 13-16, Nov. 2014.
Paper # HI2014-63 
Date of Issue 2014-11-21 (HI) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee HI  
Conference Date 2014-11-28 - 2014-11-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto City International Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Visual and auditory Senses, multi modal processing, Kansei information processing, etc. 
Paper Information
Registration To HI 
Conference Code 2014-11-HI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Temporal properties of material category recognition 
Sub Title (in English) relationship to surface quality features 
Keyword(1) Material perception  
Keyword(2) material category  
Keyword(3) surface feature  
Keyword(4) psychophysics  
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1st Author's Name Takehiro Nagai  
1st Author's Affiliation Yamagata University (YAMAGATA Univ)
2nd Author's Name Toshiki Matsushima  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
3rd Author's Name Kowa Koida  
3rd Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
4th Author's Name Yusuke Tani  
4th Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
5th Author's Name Michiteru Kitazaki  
5th Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
6th Author's Name Shigeki Nakauchi  
6th Author's Affiliation Toyohashi University of Technology (Toyohashi Tech)
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Speaker Author-1 
Date Time 2014-11-28 14:35:00 
Presentation Time 20 minutes 
Registration for HI 
Paper # HI2014-63 
Volume (vol) vol.38 
Number (no) no.46 
Page pp.13-16 
#Pages 4 
Date of Issue 2014-11-21 (HI) 

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