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Paper Abstract and Keywords
Presentation 2011-03-09 10:40
Effect of Pre-processing and Sampling Sizes on Performance of Neural Networks for Detection of Abnormal Positions from X-ray Images of Chest
Takahiro Sasaki, Kentaro Kinoshita, Satoru Kishida, Yoshiharu Hirata, Seigo Yamada (Tottori Univ.) NC2010-188
Abstract (in Japanese) (See Japanese page) 
(in English) We constructed systems with neural networks for detection of abnormal positions from X-ray images of chest and investigated the effect of pre-processing and sampling sizes on performance of the systems.
We used one-dimensional numeric sequences which were selected from four regions in a lung area of the images for input patterns into the neural networks.
From the results, the neural networks correctly detected abnormal positions in the regions of chest X-ray images by using input patterns without FFT (Fast Fourier Transform) although the networks converged for both input patterns with and without FFT.
In addition, we found that the minimum width of sampling lines for the system to detect the abnormal area was 1 pixel (160$\mu$m).
Therefore, we suggested conditions for detection of abnormal areas from X-ray images of chest by using our system.
Keyword (in Japanese) (See Japanese page) 
(in English) Neural network / Pre-processing / FFT (Fast Fourier Transform) / X-ray image of chest / Medical diagnosis support / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 461, NC2010-188, pp. 361-366, March 2011.
Paper # NC2010-188 
Date of Issue 2011-02-28 (NC) 
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)
Download PDF NC2010-188

Conference Information
Committee NC MBE  
Conference Date 2011-03-07 - 2011-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2011-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of Pre-processing and Sampling Sizes on Performance of Neural Networks for Detection of Abnormal Positions from X-ray Images of Chest 
Sub Title (in English)  
Keyword(1) Neural network  
Keyword(2) Pre-processing  
Keyword(3) FFT (Fast Fourier Transform)  
Keyword(4) X-ray image of chest  
Keyword(5) Medical diagnosis support  
1st Author's Name Takahiro Sasaki  
1st Author's Affiliation Tottori University (Tottori Univ.)
2nd Author's Name Kentaro Kinoshita  
2nd Author's Affiliation Tottori University (Tottori Univ.)
3rd Author's Name Satoru Kishida  
3rd Author's Affiliation Tottori University (Tottori Univ.)
4th Author's Name Yoshiharu Hirata  
4th Author's Affiliation Tottori University (Tottori Univ.)
5th Author's Name Seigo Yamada  
5th Author's Affiliation Tottori University (Tottori Univ.)
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Date Time 2011-03-09 10:40:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2010-188 
Volume (vol) IEICE-110 
Number (no) no.461 
Page pp.361-366 
#Pages IEICE-6 
Date of Issue IEICE-NC-2011-02-28 

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