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Paper Abstract and Keywords
Presentation 2017-02-19 11:20
[Poster Presentation] Online algorithm of swallowing detection using close-range depth sensor
Tsubasa Takai, Tomoya Sakai, Misako Higashijima (Nagasaki Univ) PRMU2016-183 CNR2016-50
Abstract (in Japanese) (See Japanese page) 
(in English) We are developing an online algorithm of detecting and counting swallowing motions from a depth image sequence
for contactless swallowing function evaluation based on the repetitive saliva swallowing test (RSST).
Our algorithm firstly finds a face region and cuts out a neck region from each frame of a close-range depth image sequence.
During the estimation of the principal components of the neck depth images, outliers are indentified as the swallowing motions.
The inliers are used for the updates of the principal components by the incremental SVD, in which
a forgetting factor weights the relative contribution of the new depth images for adaptive detection of the outliers.
The computational cost due to a large number of pixels can be reduced by random projection to meet real-time processing requirements.
Keyword (in Japanese) (See Japanese page) 
(in English) outlier detection / incremental singular value decomposition / random projection / close-range depth sensor / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 461, PRMU2016-183, pp. 163-164, Feb. 2017.
Paper # PRMU2016-183 
Date of Issue 2017-02-11 (PRMU, CNR) 
ISSN Print edition: ISSN 0913-5685  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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF PRMU2016-183 CNR2016-50

Conference Information
Committee PRMU CNR  
Conference Date 2017-02-18 - 2017-02-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2017-02-PRMU-CNR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Online algorithm of swallowing detection using close-range depth sensor 
Sub Title (in English)  
Keyword(1) outlier detection  
Keyword(2) incremental singular value decomposition  
Keyword(3) random projection  
Keyword(4) close-range depth sensor  
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1st Author's Name Tsubasa Takai  
1st Author's Affiliation Nagasaki University (Nagasaki Univ)
2nd Author's Name Tomoya Sakai  
2nd Author's Affiliation Nagasaki University (Nagasaki Univ)
3rd Author's Name Misako Higashijima  
3rd Author's Affiliation Nagasaki University (Nagasaki Univ)
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Speaker
Date Time 2017-02-19 11:20:00 
Presentation Time 40 
Registration for PRMU 
Paper # IEICE-PRMU2016-183,IEICE-CNR2016-50 
Volume (vol) IEICE-116 
Number (no) no.461(PRMU), no.462(CNR) 
Page pp.163-164 
#Pages IEICE-2 
Date of Issue IEICE-PRMU-2017-02-11,IEICE-CNR-2017-02-11 


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