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Paper Abstract and Keywords
Presentation 2010-07-09 13:15
Liver extraction based on blood vessel using multislice CT datasets
Ahmed S. Maklad, Mikio Matsuhiro, Yoshiki Kawata, Noboru Niki, Toru Utsunomiya, Mitsuo Shimada, Hiromu Nishitani (University of Tokushima) MI2010-41
Abstract (in Japanese) (See Japanese page) 
(in English) At liver transplantation planning stage, liver volumetry extraction would be helpful for surgeons. The main problem at liver extraction is wide variability of anatomic structures of liver in shape and size. To overcome that problem, we propose a method based on hepatic blood vessel as it defers from a person to another as well. In this method we used CT datasets at portal venous phase to extract portal and hepatic veins. Then we construct polyhedron structure of liver using endpoints of extracted vessels. Then, we extended that region based on liver map and volume of extracted region during dilation.To stop dilation, we draw tree structure of increased area. when it changes direction from increasing to decreasing, that time we stop dilation to get final liver shape. Results of that method agree with manual labeling done by an expert and reviewed by a medical doctor at rate 97.04%. This method seems promising to extract various liver shapes and sizes.
Keyword (in Japanese) (See Japanese page) 
(in English) Liver / transplantation / volumetry / blood vessel / extraction / CT datasets / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 121, MI2010-41, pp. 21-26, July 2010.
Paper # MI2010-41 
Date of Issue 2010-07-02 (MI) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee MI  
Conference Date 2010-07-09 - 2010-07-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokusima Univ. Kogyo-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) general medical imaging 
Paper Information
Registration To MI 
Conference Code 2010-07-MI 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Liver extraction based on blood vessel using multislice CT datasets 
Sub Title (in English)  
Keyword(1) Liver  
Keyword(2) transplantation  
Keyword(3) volumetry  
Keyword(4) blood vessel  
Keyword(5) extraction  
Keyword(6) CT datasets  
1st Author's Name Ahmed S. Maklad  
1st Author's Affiliation University of Tokushima (University of Tokushima)
2nd Author's Name Mikio Matsuhiro  
2nd Author's Affiliation University of Tokushima (University of Tokushima)
3rd Author's Name Yoshiki Kawata  
3rd Author's Affiliation University of Tokushima (University of Tokushima)
4th Author's Name Noboru Niki  
4th Author's Affiliation University of Tokushima (University of Tokushima)
5th Author's Name Toru Utsunomiya  
5th Author's Affiliation University of Tokushima (University of Tokushima)
6th Author's Name Mitsuo Shimada  
6th Author's Affiliation University of Tokushima (University of Tokushima)
7th Author's Name Hiromu Nishitani  
7th Author's Affiliation University of Tokushima (University of Tokushima)
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Date Time 2010-07-09 13:15:00 
Presentation Time 25 
Registration for MI 
Paper # IEICE-MI2010-41 
Volume (vol) IEICE-110 
Number (no) no.121 
Page pp.21-26 
#Pages IEICE-6 
Date of Issue IEICE-MI-2010-07-02 

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