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Paper Abstract and Keywords
Presentation 2008-02-22 09:30
3D reconstruction of straight lines in a road environment using a vehicle camera
Toshihiro Asai, Yoshiko Kojima, Koichiro Yamaguchi, Yoshiki Ninomiya (Toyota Central R&D Labs.,Inc.) PRMU2007-231
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes 3D reconstruction method of straight lines such as poles and buildings in a road environment based on knowledge of common buildings from image sequence captured by a vehicle camera.
The 3D positions of the straight lines are estimated based on minimization of reprojection errors of estimated straight lines in the image sequence.
In road environment, it is too difficult to enlarge the parallax with a vehicle camera which faces to the front.
Accuracy of line positions is improved by using constraint based on the knowledge of common buildings.
In experiment on the real environment, 3D positions are estimated from detected edges in the image sequence captured by a vehicle camera by using proposed method.
We evaluate the accuracy of estimated lines by comparing the position from reference data from aerial imageries.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D structure reconstruction / edge feature / road environment / image sequence analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 491, PRMU2007-231, pp. 99-104, Feb. 2008.
Paper # PRMU2007-231 
Date of Issue 2008-02-14 (PRMU) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF PRMU2007-231

Conference Information
Committee PRMU  
Conference Date 2008-02-21 - 2008-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Tsukuba 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2008-02-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 3D reconstruction of straight lines in a road environment using a vehicle camera 
Sub Title (in English)  
Keyword(1) 3D structure reconstruction  
Keyword(2) edge feature  
Keyword(3) road environment  
Keyword(4) image sequence analysis  
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1st Author's Name Toshihiro Asai  
1st Author's Affiliation Toyota Central Research and Development Laboratories, Inc. (Toyota Central R&D Labs.,Inc.)
2nd Author's Name Yoshiko Kojima  
2nd Author's Affiliation Toyota Central Research and Development Laboratories, Inc. (Toyota Central R&D Labs.,Inc.)
3rd Author's Name Koichiro Yamaguchi  
3rd Author's Affiliation Toyota Central Research and Development Laboratories, Inc. (Toyota Central R&D Labs.,Inc.)
4th Author's Name Yoshiki Ninomiya  
4th Author's Affiliation Toyota Central Research and Development Laboratories, Inc. (Toyota Central R&D Labs.,Inc.)
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Speaker Author-1 
Date Time 2008-02-22 09:30:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2007-231 
Volume (vol) vol.107 
Number (no) no.491 
Page pp.99-104 
#Pages 6 
Date of Issue 2008-02-14 (PRMU) 

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