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Paper Abstract and Keywords
Presentation 2013-03-06 11:20
A visual search model based on the spatio-temporal properties of visual attention in different feature domains.
Katsuya Yano, Takeshi Kohama (Kinki Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Previous saliency-based visual attention models dealt with the mechanism underlying attentional shifts in the early visual system. Such models can predict the distribution of gaze movements on the basis of saliency maps (Itti \& Koch, 2000). Saliency maps are calculated by weighting to the distribution of color and the orientation of input images. Since predicted gaze positions using the previous saliency map models are deterministically selected by tracing the peaks of saliency distribution, the simulated trajectories of gaze positions show non-contextual and unnatural patterns. In this study, we purposed a mathematical model to reproduce more realistic gaze distributions. We have carried out an extension of the saliency map taking into account the spatio-temporal characteristics of attention for the visual attributes, and also image projection from retina to V1; cortical magnification factor. To evaluate the performance of our model, we conducted visual search task simulations. The results indicate that the target detection rate of our model are higher than that of Itti \& Koch's model and simulated gaze distributions show contextual patterns while searching for the target.
Keyword (in Japanese) (See Japanese page) 
(in English) Saliency map / Visual search / Visual attention / Visual attributes / Spatio-temporal property / / /  
Reference Info. ITE Tech. Rep., vol. 37, no. 12, HI2013-50, pp. 35-38, March 2013.
Paper # HI2013-50 
Date of Issue 2013-02-26 (HI, 3DIT) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee HI 3DMT  
Conference Date 2013-03-05 - 2013-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo University of Agriculture and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Audio-Visual Technology, Human Interface, etc. 
Paper Information
Registration To HI 
Conference Code 2013-03-HI-3DIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A visual search model based on the spatio-temporal properties of visual attention in different feature domains. 
Sub Title (in English)  
Keyword(1) Saliency map  
Keyword(2) Visual search  
Keyword(3) Visual attention  
Keyword(4) Visual attributes  
Keyword(5) Spatio-temporal property  
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1st Author's Name Katsuya Yano  
1st Author's Affiliation Kinki University (Kinki Univ.)
2nd Author's Name Takeshi Kohama  
2nd Author's Affiliation Kinki University (Kinki Univ.)
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Speaker Author-1 
Date Time 2013-03-06 11:20:00 
Presentation Time 25 minutes 
Registration for HI 
Paper # HI2013-50, 3DIT2013-18 
Volume (vol) vol.37 
Number (no) no.12 
Page pp.35-38 
#Pages
Date of Issue 2013-02-26 (HI, 3DIT) 


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