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Paper Abstract and Keywords
Presentation 2012-11-23 13:50
Evaluation of Image Quality of Brain CT Angiography Reconstructed Using Adaptive Statistical Iterative Reconstruction Techniques
Ikuko Takase (Nagoya Univ.), Yukihiro Enchi (Osaka Univ. Hospital), Chiyo Kawaura (Nagoya Univ.), Masaki Mori (Nagoya Univ. Hospital), Mitsuru Ikeda, Kuniharu Imai (Nagoya Univ.) IMQ2012-23
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, image reconstruction method called Adaptive Iterative Statistical Reconstruction (ASIR) has been developed. This reconstruction algorithm makes it possible to reduce image noise on CT images. However, the role of ASIR in head CT angiography was never reported to date, to our knowledge. Therefore, it is clinical useful to evaluate the image quality of head CT angiography reconstructed using ASIR algorithm. In this study, we have devised the new method for evaluate the sharpness of CT images using “Toeplitz matrix” and quantitatively assessed the sharpness of artery contours on CT angiography reconstructed using ASIR algorithm. The contrast resolution of CT angiography with ASIR reconstruction was also evaluated.
Keyword (in Japanese) (See Japanese page) 
(in English) Head CTA / Adaptive Iterative Statistical Reconstruction / Sharpness / Contrast Resolution / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 316, IMQ2012-23, pp. 5-10, Nov. 2012.
Paper # IMQ2012-23 
Date of Issue 2012-11-16 (IMQ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction
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 IMQ  
Conference Date 2012-11-23 - 2012-11-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Medical Images, etc 
Paper Information
Registration To IMQ 
Conference Code 2012-11-IMQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Image Quality of Brain CT Angiography Reconstructed Using Adaptive Statistical Iterative Reconstruction Techniques 
Sub Title (in English)  
Keyword(1) Head CTA  
Keyword(2) Adaptive Iterative Statistical Reconstruction  
Keyword(3) Sharpness  
Keyword(4) Contrast Resolution  
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1st Author's Name Ikuko Takase  
1st Author's Affiliation Nagoya University Graduate School of Medicine (Nagoya Univ.)
2nd Author's Name Yukihiro Enchi  
2nd Author's Affiliation Osaka University Hospital (Osaka Univ. Hospital)
3rd Author's Name Chiyo Kawaura  
3rd Author's Affiliation Nagoya University Graduate School of Medicine (Nagoya Univ.)
4th Author's Name Masaki Mori  
4th Author's Affiliation Nagoya University Hospital (Nagoya Univ. Hospital)
5th Author's Name Mitsuru Ikeda  
5th Author's Affiliation Nagoya University Graduate School of Medicine (Nagoya Univ.)
6th Author's Name Kuniharu Imai  
6th Author's Affiliation Nagoya University Graduate School of Medicine (Nagoya Univ.)
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Speaker Author-1 
Date Time 2012-11-23 13:50:00 
Presentation Time 25 minutes 
Registration for IMQ 
Paper # IMQ2012-23 
Volume (vol) vol.112 
Number (no) no.316 
Page pp.5-10 
#Pages
Date of Issue 2012-11-16 (IMQ) 


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