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| 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 |
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| 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 | |
| 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 | CS2008-40 IE2008-104 |
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| Conference Information | |
| Committee | ITE-BCT IE CS IPSJ-AVM |
| 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 |
| Keyword(7) | |
| Keyword(8) | |
| 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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| Speaker | Author-1 |
| Date Time | 2008-12-11 13:25:00 |
| Presentation Time | 25 minutes |
| Registration for | IE |
| Paper # | CS2008-40, IE2008-104 |
| Volume (vol) | vol.108 |
| Number (no) | no.343(CS), no.344(IE) |
| Page | pp.7-10 |
| #Pages | 4 |
| Date of Issue | 2008-12-04 (CS, IE) |
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