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| Presentation | 2015-02-19 11:30 Proposition of Affine Invariant Character Shape Matching Method for Character Recognition Based on Radon Transform and Non-linear Matching Makoto Hasegawa, Seiji Ishihara (Tokyo Denki Univ.), Takao Furukawa (Kyoritsu Women's Univ.), Takashi Takiguchi (Def. Academy)  PRMU2014-115 CNR2014-30 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | An affine invariant character shape matching method using the Radon transform and a non-linear matching is proposed. In our proposed method, the Radon transform is applied on an original image; the amplitude-component is extracted using the one-dimensional Fourier transform performed on each column of the Radon image, and the log mapping is also performed on the columns. After these operations, an invariant descriptor with respect to the character shape translation is obtain; the character shape rotation and scaling are exchanged to the two-dimensional translation. Since shape shearing provides a sparse and dense distortion on the domain, the non-linear matching is applied for the robustness. In the character recognition, the affine distortions on character shapes (rotation, scaling, translation, and sharing) are serious technical issues, therefore out proposed method provides high recognition performance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Radon Transform / affine distortion / shear / non-linear matching / character recognition / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 454, PRMU2014-115, pp. 19-24, Feb. 2015. | |
| Paper # | PRMU2014-115 | |
| Date of Issue | 2015-02-12 (PRMU, CNR) | |
| 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 | PRMU2014-115 CNR2014-30 |
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| Conference Information | |
| Committee | PRMU CNR |
| Conference Date | 2015-02-19 - 2015-02-20 |
| 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 | 2015-02-PRMU-CNR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposition of Affine Invariant Character Shape Matching Method for Character Recognition Based on Radon Transform and Non-linear Matching |
| Sub Title (in English) | |
| Keyword(1) | Radon Transform |
| Keyword(2) | affine distortion |
| Keyword(3) | shear |
| Keyword(4) | non-linear matching |
| Keyword(5) | character recognition |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Makoto Hasegawa |
| 1st Author's Affiliation | Tokyo Denki University (Tokyo Denki Univ.) |
| 2nd Author's Name | Seiji Ishihara |
| 2nd Author's Affiliation | Tokyo Denki University (Tokyo Denki Univ.) |
| 3rd Author's Name | Takao Furukawa |
| 3rd Author's Affiliation | Kyoritsu Women's University (Kyoritsu Women's Univ.) |
| 4th Author's Name | Takashi Takiguchi |
| 4th Author's Affiliation | National Defense Academy (Def. Academy) |
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| Speaker | Author-1 |
| Date Time | 2015-02-19 11:30:00 |
| Presentation Time | 30 minutes |
| Registration for | PRMU |
| Paper # | PRMU2014-115, CNR2014-30 |
| Volume (vol) | vol.114 |
| Number (no) | no.454(PRMU), no.455(CNR) |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2015-02-12 (PRMU, CNR) |
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