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| Presentation | 2012-09-03 16:00 The Properties of the Boundary Condition for Optical Flow Computation Yusuke Kameda, Atsushi Imiya (Chiba Univ.), Tomoya Sakai (Nagasaki Univ.)  PRMU2012-47 IBISML2012-30 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Most of the methods to compute optical flows are variational-technique-based methods, which estimate appearance velocity fields by solving an energy minimization problem conposed of some conditions of the velocity fields. For simple images, sometimes the appearance motions of the images can be recognized ambiguously. In this paper, we discuss about the ambiguity of appearance motions form the viewpoint of the variational-technique-based method and show that the ambiguity is partially explicable by the theory of the method. Numerical experiments show that the optical flows computed under each condition correspond to the some of the ambiguity. From the results, we show that the theory of the variational-technique-based method can explain mathematically the ambiguities which have been represented by psycholigy experiments in the past. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | optical flow / variational method / motion illusion / ambiguous figure / boundary condition / deformable model / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 197, PRMU2012-47, pp. 157-162, Sept. 2012. | |
| Paper # | PRMU2012-47 | |
| Date of Issue | 2012-08-26 (PRMU, IBISML) | |
| 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 | PRMU2012-47 IBISML2012-30 |
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| Conference Information | |
| Committee | PRMU IBISML IPSJ-CVIM |
| Conference Date | 2012-09-02 - 2012-09-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | PRMU |
| Conference Code | 2012-09-PRMU-IBISML-CVIM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | The Properties of the Boundary Condition for Optical Flow Computation |
| Sub Title (in English) | |
| Keyword(1) | optical flow |
| Keyword(2) | variational method |
| Keyword(3) | motion illusion |
| Keyword(4) | ambiguous figure |
| Keyword(5) | boundary condition |
| Keyword(6) | deformable model |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yusuke Kameda |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Atsushi Imiya |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
| 3rd Author's Name | Tomoya Sakai |
| 3rd Author's Affiliation | Nagasaki University (Nagasaki Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-09-03 16:00:00 |
| Presentation Time | 30 minutes |
| Registration for | PRMU |
| Paper # | PRMU2012-47, IBISML2012-30 |
| Volume (vol) | vol.112 |
| Number (no) | no.197(PRMU), no.198(IBISML) |
| Page | pp.157-162 |
| #Pages | 6 |
| Date of Issue | 2012-08-26 (PRMU, IBISML) |
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