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Paper Abstract and Keywords
Presentation 2007-01-27 09:00
Preliminary study on the construction of conditional statistical atlas of the liver based on surrounding structures -- Comparison between the method based on non-rigid registration and statistical method --
Keita Yokota, Toshiyuki Okada, Masahiko Nakamoto, Yoshinobu Sato, Masatoshi Hori (Osaka Univ.), Tomoki Asaka, Yen-Wei Chen (Ritsumeikan Univ.), Hironobu Nakamura, Shinichi Tamura (Osaka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The use of constraints of surrounding structures on organ shape and location is desirable in construction of statistical atlas of the organ. In this paper, the use of abdominal cavity as the surrounding structure is described and evaluated in construction of the statistical atlas of the liver. To reduce the unwanted variation between patients, we proposed two methods. One is spatial normalization based on surrounding structures and the other is statistical method using relations among shapes. We evaluate the effects of the constraints of using surrounding structures on construction of the statistical shape model. In the normalization by non-rigid registration, estimate accuracy was better than normalization by translation. In the statistical method, estimate accuracy of average shape was better than normalization by translation.
Keyword (in Japanese) (See Japanese page) 
(in English) Statistical atlas / Spatial normalization / Liver / Abdominal cavity / Statistical shape model / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 510, MI2006-171, pp. 53-56, Jan. 2007.
Paper # MI2006-171 
Date of Issue 2007-01-20 (MI) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee MI  
Conference Date 2007-01-26 - 2007-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) the Cheju National Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Imaging, etc. 
Paper Information
Registration To MI 
Conference Code 2007-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Preliminary study on the construction of conditional statistical atlas of the liver based on surrounding structures 
Sub Title (in English) Comparison between the method based on non-rigid registration and statistical method 
Keyword(1) Statistical atlas  
Keyword(2) Spatial normalization  
Keyword(3) Liver  
Keyword(4) Abdominal cavity  
Keyword(5) Statistical shape model  
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1st Author's Name Keita Yokota  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Toshiyuki Okada  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Masahiko Nakamoto  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Yoshinobu Sato  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Masatoshi Hori  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Tomoki Asaka  
6th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
7th Author's Name Yen-Wei Chen  
7th Author's Affiliation Ritsumeikan University (Ritsumeikan Univ.)
8th Author's Name Hironobu Nakamura  
8th Author's Affiliation Osaka University (Osaka Univ.)
9th Author's Name Shinichi Tamura  
9th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2007-01-27 09:00:00 
Presentation Time 15 minutes 
Registration for MI 
Paper # MI2006-171 
Volume (vol) vol.106 
Number (no) no.510 
Page pp.53-56 
#Pages
Date of Issue 2007-01-20 (MI) 


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