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Paper Abstract and Keywords
Presentation 2012-02-10 09:00
Lip Tracking Based on a Curved Gaussian Density
Xin Lu, Kiyoshi Nishiyama (Iwate Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) A deformable tracker based on curved Gaussian density is proposed to improve the accuracy and robustness of lip tracking in this paper. In the proposed tracker, two hue histograms of upper and lower lips, considered as templates, are used to match the hue values of image pixels to obtain their density distributions. For any density distribution, calculating its curvature by using quadratic-curve fitting, straightening it, outlining its shape by an ellipse, and curving the ellipse lead to obtain a banana-shaped contour of the upper or lower lip. The proposed tracker can be implemented in real time because of its simple structure.
Keyword (in Japanese) (See Japanese page) 
(in English) lip tracking / color-based tracker / quadratic curve fitting / curved Gaussian density / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 430, PRMU2011-220, pp. 143-148, Feb. 2012.
Paper # PRMU2011-220 
Date of Issue 2012-02-02 (PRMU, SP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee PRMU SP  
Conference Date 2012-02-09 - 2012-02-10 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2012-02-PRMU-SP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Lip Tracking Based on a Curved Gaussian Density 
Sub Title (in English)  
Keyword(1) lip tracking  
Keyword(2) color-based tracker  
Keyword(3) quadratic curve fitting  
Keyword(4) curved Gaussian density  
1st Author's Name Xin Lu  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Kiyoshi Nishiyama  
2nd Author's Affiliation Iwate University (Iwate Univ.)
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Date Time 2012-02-10 09:00:00 
Presentation Time 30 
Registration for PRMU 
Paper # IEICE-PRMU2011-220,IEICE-SP2011-135 
Volume (vol) IEICE-111 
Number (no) no.430(PRMU), no.431(SP) 
Page pp.143-148 
#Pages IEICE-6 
Date of Issue IEICE-PRMU-2012-02-02,IEICE-SP-2012-02-02 

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