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Paper Abstract and Keywords
Presentation 2010-01-29 14:25
Study on Optimization of Archiving condition under JPEG2000 and Its Quality evaluation for Medical Ultrasonic Echo Image
Kazuhiko Hamamoto, Vimontha Kheiovongphachanh (Tokai Univ.) MBE2009-96
Abstract (in Japanese) (See Japanese page) 
(in English) Medical ultrasonic echo image is indispensable diagnostic technique and a large number of the investigation is carried out every day. Therefore, the image compression technique is very important. Authors have proposed a technique using Genetic Algorithm (GA) to optimize quantization condition in JPEG2000. The result has shown image quality evaluation by PSNR (the objective assessment) and one by ultrasonographer (the subjective assessment by PSNR) are sometimes not equivalent. In this research, some objective assessment methods and the subjective assessment are compared for 4 images whose diseases part and scanning method are different (image group A). The result shows the objective assessment by contrast is more consistent with the subjective assessment than the objective assessment by PSNR. Next, proposed GA is modified by using the contrast factor. The compressed images are evaluated by the objective assessment by contrast and the subjective assessment. In this experiment, other 4 images which are not used to decide the contrast factor are used (image group B). As the result, the contrast factor is effective for not only image group A but image group B. The result suggests the contrast factor can be used instead of the subjective assessment.
Keyword (in Japanese) (See Japanese page) 
(in English) Medical ultrasonics / Image compression / Wavelet transform / Image quality evaluation / Genetic algorithm / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 406, MBE2009-96, pp. 103-108, Jan. 2010.
Paper # MBE2009-96 
Date of Issue 2010-01-21 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 MBE  
Conference Date 2010-01-28 - 2010-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ME in general 
Paper Information
Registration To MBE 
Conference Code 2010-01-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Optimization of Archiving condition under JPEG2000 and Its Quality evaluation for Medical Ultrasonic Echo Image 
Sub Title (in English)  
Keyword(1) Medical ultrasonics  
Keyword(2) Image compression  
Keyword(3) Wavelet transform  
Keyword(4) Image quality evaluation  
Keyword(5) Genetic algorithm  
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1st Author's Name Kazuhiko Hamamoto  
1st Author's Affiliation Tokai University (Tokai Univ.)
2nd Author's Name Vimontha Kheiovongphachanh  
2nd Author's Affiliation Tokai University (Tokai Univ.)
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Speaker Author-1 
Date Time 2010-01-29 14:25:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2009-96 
Volume (vol) vol.109 
Number (no) no.406 
Page pp.103-108 
#Pages
Date of Issue 2010-01-21 (MBE) 


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