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Paper Abstract and Keywords
Presentation 2007-12-14 14:55
Parallel Calculation Method for Multicamera Stereo 3D Shape Reconstruction
Kazuki Takahashi, Masaru Fukushi, Toru Abe, Susumu Horiguchi (Tohoku Univ.) CS2007-51 IE2007-134
Abstract (in Japanese) (See Japanese page) 
(in English) For reconstructing 3D shape of a scene from more than two images, voxel
based multicamera methods have been proposed. In these methods, the 3D
space is divided into voxels, and the 3D shape of a scene is
reconstructed by determining the voxels corresponded to object surfaces.
To improve the accuracy and stability of the reconstruction, these
methods require that the states of other voxels are reflected on the
determination for each voxel. However, this process necessitates huge
computation time. To overcome this problem, this article proposes a
parallel computation method based on voxel space division. The proposed
method reduces the amount of communication between processors by voxel
space division which takes into account the slope of the line through a
virtual viewpoint and each voxel, and also reduces the communication
latency by a parallel communication. The experimental results shows that
the proposed method achieves up to 8.2 times faster performance using 16
processors.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D Shape Reconstruction / Multicamera Stereo Method / voxel / Parallel Calculation / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 380, IE2007-134, pp. 129-134, Dec. 2007.
Paper # IE2007-134 
Date of Issue 2007-12-06 (CS, IE) 
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 CS2007-51 IE2007-134

Conference Information
Committee IE IPSJ-AVM CS ITE-BCT  
Conference Date 2007-12-13 - 2007-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image coding, Communications and Stream Technologies, etc. 
Paper Information
Registration To IE 
Conference Code 2007-12-IE-IPSJ-AVM-CS-ITE-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Parallel Calculation Method for Multicamera Stereo 3D Shape Reconstruction 
Sub Title (in English)  
Keyword(1) 3D Shape Reconstruction  
Keyword(2) Multicamera Stereo Method  
Keyword(3) voxel  
Keyword(4) Parallel Calculation  
Keyword(5)  
Keyword(6)  
Keyword(7)  
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1st Author's Name Kazuki Takahashi  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Masaru Fukushi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Toru Abe  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Susumu Horiguchi  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2007-12-14 14:55:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # CS2007-51, IE2007-134 
Volume (vol) vol.107 
Number (no) no.379(CS), no.380(IE) 
Page pp.129-134 
#Pages 6 
Date of Issue 2007-12-06 (CS, IE) 

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