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Paper Abstract and Keywords
Presentation 2009-01-20 14:30
[Poster Presentation] Generation of the Map of Myocardial Wall Thickness for Evaluation of Heart Function
Hidenori Sato, Tadanori Fukami (Yamagata Univ.), Jin Wu (Chiba Univ.), Thet-Thet Lwin (Univ. Of Tsukuba), Tetsuya Yuasa (Yamagata Univ.), Tohoru Takeda (Univ. Of Tsukuba), Takao Akatsuka (Yamagata Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Heart thickness is very important index in quantitative evaluation of cardiac function. Previously, we had been calculated heart thickness from 3-D myocardial shape generated by linearly interpolation contour in axial slice. Therefore, it has problems that calculation of wall thickness depends on the detection accuracy. In this paper, we first extracted epi- and endocardial walls by level set method. We then approximated these extracted walls with 3D NURBS(Non-uniformed rational B-spline) model for accuracy improvement. We finally created a bull's eye map to evaluate wall thickness for easy visual understanding. As a result, this method suppressed the variation of the detection and smoothed bull's eye maps of wall thickness.
Keyword (in Japanese) (See Japanese page) 
(in English) MRI / NURBS / level set method / hypertrophic cardiomyopath / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 385, MI2008-135, pp. 343-348, Jan. 2009.
Paper # MI2008-135 
Date of Issue 2009-01-12 (MI) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee MI  
Conference Date 2009-01-19 - 2009-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) National Taiwan University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Imaging 
Paper Information
Registration To MI 
Conference Code 2009-01-MI 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Generation of the Map of Myocardial Wall Thickness for Evaluation of Heart Function 
Sub Title (in English)  
Keyword(1) MRI  
Keyword(2) NURBS  
Keyword(3) level set method  
Keyword(4) hypertrophic cardiomyopath  
1st Author's Name Hidenori Sato  
1st Author's Affiliation Yamagata University (Yamagata Univ.)
2nd Author's Name Tadanori Fukami  
2nd Author's Affiliation Yamagata University (Yamagata Univ.)
3rd Author's Name Jin Wu  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Thet-Thet Lwin  
4th Author's Affiliation University Of Tsukuba (Univ. Of Tsukuba)
5th Author's Name Tetsuya Yuasa  
5th Author's Affiliation Yamagata University (Yamagata Univ.)
6th Author's Name Tohoru Takeda  
6th Author's Affiliation University Of Tsukuba (Univ. Of Tsukuba)
7th Author's Name Takao Akatsuka  
7th Author's Affiliation Yamagata University (Yamagata Univ.)
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Date Time 2009-01-20 14:30:00 
Presentation Time 210 
Registration for MI 
Paper # IEICE-MI2008-135 
Volume (vol) IEICE-108 
Number (no) no.385 
Page pp.343-348 
#Pages IEICE-6 
Date of Issue IEICE-MI-2009-01-12 

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