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Paper Abstract and Keywords
Presentation 2018-06-22 10:00
Practical design of compact and simple equipment for visualization of ultrasound fields using focused shadowgraphy
Tomoaki Kadota, Nobuki Kudo (Hokkaido Univ.) MBE2018-7
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed a focused shadowgraphy technique that visualizes ultrasound fields using an optical technique, and its usefulness was evaluated by visualization of various types of ultrasound fields. In this study, an experimental system was developed using an incoherent light source (LED) and a consumer CMOS camera and used for visualization of a diagnostic ultrasound field. Experimental results showed that use of the LED light source suppresses brightness disturbance caused by light interference. Photographing conditions of the CMOS camera was optimized, elucidating that a longer exposure time with lower ISO sensitivity leads to higher S/N. Signal to noise ratios of the ultrasound field images taken under the optimized condition were 55.8 dB for a conventional CCD camera and 52.2 dB for the consumer CMOS camera, indicating that the CMOS camera has a sufficient image quality for understanding diagnostic ultrasound field. The results confirm that a compact and simple focused shadowgraphy system can be designed using an LED light source and a consumer CMOS camera.
Keyword (in Japanese) (See Japanese page) 
(in English) visualization of ultrasound field / focused shadowgraphy / incoherent light source / consumer camera / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 106, MBE2018-7, pp. 1-6, June 2018.
Paper # MBE2018-7 
Date of Issue 2018-06-15 (MBE) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF MBE2018-7

Conference Information
Committee MBE  
Conference Date 2018-06-22 - 2018-06-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2018-06-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Practical design of compact and simple equipment for visualization of ultrasound fields using focused shadowgraphy 
Sub Title (in English)  
Keyword(1) visualization of ultrasound field  
Keyword(2) focused shadowgraphy  
Keyword(3) incoherent light source  
Keyword(4) consumer camera  
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1st Author's Name Tomoaki Kadota  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Nobuki Kudo  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2018-06-22 10:00:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2018-7 
Volume (vol) vol.118 
Number (no) no.106 
Page pp.1-6 
#Pages 6 
Date of Issue 2018-06-15 (MBE) 

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