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Paper Abstract and Keywords
Presentation 2026-06-11 16:05
Reliability assessment of vibration-based continuous shear wave elastography using signal energy for morphological evaluation
Saramu Abe, Naoki Tano (Science Tokyo), Shunichiro Tanigawa, Naohisa Kamiyama (GEHC-J), Marie Tabaru (Science Tokyo) US2026-15
Abstract (in Japanese) (See Japanese page) 
(in English) Vibrator-driven continuous shear wave elastography (VB-SWE) enables deep tissue elasticity evaluation with high S/N ratios. However, biological noise and subjective data selection often decrease clinical reproducibility. To address this, we propose a Reliability Index (RI) based on the energy ratio of the excitation frequency component for objective quality assessment. After confirming the quantitative response of the RI through 10 kPa phantom experiments, we validated it using clinical data from 7 liver disease patients (44 datasets). The results demonstrated a strong negative correlation (r = -0.633) between the RI and the coefficient of variation (CV) of the estimated velocity, confirming that RI facilitates objective reliability evaluation and standardized data selection.
Keyword (in Japanese) (See Japanese page) 
(in English) Shear wave elastography / Acoustic morphology / Tissue elasticity / Reliability index / Ultrasound imaging / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 67, US2026-15, pp. 26-30, June 2026.
Paper # US2026-15 
Date of Issue 2026-06-04 (US) 
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 US2026-15

Conference Information
Committee US  
Conference Date 2026-06-11 - 2026-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Ultrasound in medicine, Ultrasonics, etc. 
Paper Information
Registration To US 
Conference Code 2026-06-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reliability assessment of vibration-based continuous shear wave elastography using signal energy for morphological evaluation 
Sub Title (in English)  
Keyword(1) Shear wave elastography  
Keyword(2) Acoustic morphology  
Keyword(3) Tissue elasticity  
Keyword(4) Reliability index  
Keyword(5) Ultrasound imaging  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Saramu Abe  
1st Author's Affiliation Institute of Science Tokyo (Science Tokyo)
2nd Author's Name Naoki Tano  
2nd Author's Affiliation Institute of Science Tokyo (Science Tokyo)
3rd Author's Name Shunichiro Tanigawa  
3rd Author's Affiliation GE HealthCare Japan (GEHC-J)
4th Author's Name Naohisa Kamiyama  
4th Author's Affiliation GE HealthCare Japan (GEHC-J)
5th Author's Name Marie Tabaru  
5th Author's Affiliation Institute of Science Tokyo (Science Tokyo)
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Speaker Author-1 
Date Time 2026-06-11 16:05:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2026-15 
Volume (vol) vol.126 
Number (no) no.67 
Page pp.26-30 
#Pages 5 
Date of Issue 2026-06-04 (US) 

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