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| Presentation | 2008-03-22 10:00 Estimating Unobserved Motion of a Spherical Object by Acquiring its Model from Image Sequence Naoki Okada, Tomohiro Yabuuchi, Takuya Funatomi, Koh Kakusho, Michihiko Minoh (Kyoto Univ.)  MVE2007-81 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In conventional methods of object tracking, the position and posture of the object are estimated from their appearances in the image. However, those appearances cannot be obtained when the object is occluded by others. Moreover, the appearances that directly describe the posture of a spherical object like a ball cannot be obtained as image features though it is often tracked in a sportscast. Object's motion is the physical phenomenon in which object's states including its position and posture change from moment to moment. Although the position and the posture of an object have independent degrees of freedom, they influence with each other when the object is in move. Using this relation, it is possible to estimate one of them from the other. In this article, we introduce a model of object motion, which describes how the position and posture change with respect to time by physical laws of motion for estimating the position or posture invisible in the image sequence from visible ones. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | motion estimation / physical laws of motion / spherical object / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 554, MVE2007-81, pp. 1-6, March 2008. | |
| Paper # | MVE2007-81 | |
| Date of Issue | 2008-03-15 (MVE) | |
| 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 | MVE2007-81 |
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| Conference Information | |
| Committee | MVE |
| Conference Date | 2008-03-22 - 2008-03-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Industry & Academia Cooperation Ctr, Kitakyushu Sci & Research Pk |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MVE |
| Conference Code | 2008-03-MVE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Estimating Unobserved Motion of a Spherical Object by Acquiring its Model from Image Sequence |
| Sub Title (in English) | |
| Keyword(1) | motion estimation |
| Keyword(2) | physical laws of motion |
| Keyword(3) | spherical object |
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| 1st Author's Name | Naoki Okada |
| 1st Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 2nd Author's Name | Tomohiro Yabuuchi |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Takuya Funatomi |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Koh Kakusho |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 5th Author's Name | Michihiko Minoh |
| 5th Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-03-22 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MVE |
| Paper # | MVE2007-81 |
| Volume (vol) | vol.107 |
| Number (no) | no.554 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2008-03-15 (MVE) |
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