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Paper Abstract and Keywords
Presentation 2008-03-11 11:00

() IE2007-313 PRMU2007-297
Abstract (in Japanese) (See Japanese page) 
(in English) We present a new method for detecting incorrect feature point tracking. For 3-D reconstruction and motion segmentation, we track feature points through a video sequence, then remove outlier trajectories among them. If we detect image frames in which feature point tracking fails, we can correct incorrect trajectories and reuse them. In this paper, we detect incorrect feature point tracking by imposing the constraint that under the affine camera model feature trajectories should be in an affine space in the parameter space. Introducing a statistical model of image noise, we test the partial trajectories are sufficientlly reliable. Then we detect incorrect partial trajectories. Using real video images, we demonstrate that our proposed method sufficientlly detects incorrect feature point tracking.
Keyword (in Japanese) (See Japanese page) 
(in English) feature tracking / affine space constraint / outlier detection / incorrect tracking detection / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 539, PRMU2007-297, pp. 327-334, March 2008.
Paper # PRMU2007-297 
Date of Issue 2008-03-03 (IE, PRMU) 
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 PRMU IE  
Conference Date 2008-03-10 - 2008-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) JAIST 
Paper Information
Registration To PRMU 
Conference Code 2008-03-PRMU-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English)  
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Keyword(1) feature tracking  
Keyword(2) affine space constraint  
Keyword(3) outlier detection  
Keyword(4) incorrect tracking detection  
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1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
2nd Author's Name Yasuyuki Sugaya  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
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Speaker Author-1 
Date Time 2008-03-11 11:00:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # IE2007-313, PRMU2007-297 
Volume (vol) vol.107 
Number (no) no.538(IE), no.539(PRMU) 
Page pp.327-334 
#Pages
Date of Issue 2008-03-03 (IE, PRMU) 


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