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Paper Abstract and Keywords
Presentation 2008-12-11 13:25
An Iterative Approach for 3-D Model Generation Using Disparity Maps
Mehrdad Panahpour Tehrani, Akio Ishikawa, Shigeyuki Sakazawa, Atsushi Koike (KDDI R&D Labs) CS2008-40 IE2008-104
Abstract (in Japanese) (See Japanese page) 
(in English) In this research, we address the problem of 3-D model generation from disparity maps. Given an inaccurate 3-D model, dense multiview images are generated. Disparity maps between each pair are estimated using stereo matching algorithm. The disparity maps are projected into space as depth candidates. The kernel classifier is applied to the depth candidates for each layer of candidates from ground, and the candidates with higher probability values are selected for further fine-tuning process. In fine-tuning step, the best location of the border of the objects in each layer from ground is determined using dynamic programming. Finally the 3-D model is generated. Using the generated 3-D model, we regenerate the dense multiview images and disparity maps. We perform the same process for several iterations until the changes in the generated 3-D model are small. Experimental result shows we can eventually enhance the quality of the 3-D model within a few iterations in comparison with the starting 3-D model.
Keyword (in Japanese) (See Japanese page) 
(in English) 3-D model / disparity map / multiview images / kernel density function / classification / fine-tuning / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 344, IE2008-104, pp. 7-10, Dec. 2008.
Paper # IE2008-104 
Date of Issue 2008-12-04 (CS, IE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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
Conference Date 2008-12-11 - 2008-12-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image coding, Communications and Stream Technologies, etc. 
Paper Information
Registration To IE 
Conference Code 2008-12-BCT-IE-CS-AVM 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Iterative Approach for 3-D Model Generation Using Disparity Maps 
Sub Title (in English)  
Keyword(1) 3-D model  
Keyword(2) disparity map  
Keyword(3) multiview images  
Keyword(4) kernel density function  
Keyword(5) classification  
Keyword(6) fine-tuning  
1st Author's Name Mehrdad Panahpour Tehrani  
1st Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs)
2nd Author's Name Akio Ishikawa  
2nd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs)
3rd Author's Name Shigeyuki Sakazawa  
3rd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs)
4th Author's Name Atsushi Koike  
4th Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs)
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Date Time 2008-12-11 13:25:00 
Presentation Time 25 
Registration for IE 
Paper # CS2008-40, IE2008-104 
Volume (vol) 108 
Number (no) no.343(CS), no.344(IE) 
Page pp.7-10 
Date of Issue 2008-12-04 (CS, IE) 

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