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Paper Abstract and Keywords
Presentation 2019-05-24 14:00
Analysis of deaeration deformation for ex vivo animal lung
Kotaro Kobayashi, Megumi Nakao, Junko Tokuno, Toyofumi F. Chen-Yoshikawa, Hiroshi Date, Tetsuya Matsuda (Kyoto Univ.) SIP2019-12 IE2019-12 MI2019-12
Abstract (in Japanese) (See Japanese page) 
(in English) Recent advance of imaging techniques enables to visualize minute lung nodules in the early stage cancer. Although lung nodules are determined using preoperative CT images, the position of the nodules change during surgery due to deaeration. This study was performed to analyze deaeration deformation of animal lungs for development of intraoperative guidance of minute lung cancer. CT images are measured from ex vivo animal lungs with different internal pressures, and surface displacement is analyzed using surface registration. An extension of the Laplacian-based registration algorithm for calculating displacement is proposed in this study. The registration results were evaluated using reference points manually determined on the lung surface and the registration error was within 1.5 mm on average. The relationship between surface and bronchial displacement of ex vivo lungs was also investigated. We found that the magnitude of surface displacement was distributed in an orderly way based on the distance from the pulmonary hilum while it was confirmed that there was a region where the surface displacement was relatively larger than the displacement of the bronchus.
Keyword (in Japanese) (See Japanese page) 
(in English) Deaeration deformation / Surface registration / Lung / / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 51, MI2019-12, pp. 53-58, May 2019.
Paper # MI2019-12 
Date of Issue 2019-05-16 (SIP, IE, MI) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Download PDF SIP2019-12 IE2019-12 MI2019-12

Conference Information
Committee SIP MI IE  
Conference Date 2019-05-23 - 2019-05-24 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To MI 
Conference Code 2019-05-SIP-MI-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of deaeration deformation for ex vivo animal lung 
Sub Title (in English)  
Keyword(1) Deaeration deformation  
Keyword(2) Surface registration  
Keyword(3) Lung  
1st Author's Name Kotaro Kobayashi  
1st Author's Affiliation Graduate School of Informatics, Kyoto University (Kyoto Univ.)
2nd Author's Name Megumi Nakao  
2nd Author's Affiliation Graduate School of Informatics, Kyoto University (Kyoto Univ.)
3rd Author's Name Junko Tokuno  
3rd Author's Affiliation Kyoto University Hospital. (Kyoto Univ.)
4th Author's Name Toyofumi F. Chen-Yoshikawa  
4th Author's Affiliation Kyoto University Hospital. (Kyoto Univ.)
5th Author's Name Hiroshi Date  
5th Author's Affiliation Kyoto University Hospital. (Kyoto Univ.)
6th Author's Name Tetsuya Matsuda  
6th Author's Affiliation Graduate School of Informatics, Kyoto University (Kyoto Univ.)
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Date Time 2019-05-24 14:00:00 
Presentation Time 25 
Registration for MI 
Paper # IEICE-SIP2019-12,IEICE-IE2019-12,IEICE-MI2019-12 
Volume (vol) IEICE-119 
Number (no) no.49(SIP), no.50(IE), no.51(MI) 
Page pp.53-58 
#Pages IEICE-6 
Date of Issue IEICE-SIP-2019-05-16,IEICE-IE-2019-05-16,IEICE-MI-2019-05-16 

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