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| Presentation | 2019-12-19 11:15 A Study on the Extraction Method of Handwritten Chinese Character's Structure Using the Simplicial Complex and Simplicial Approximation Masato Suzuki, Daisuke Kitakoshi (Tokyo KOSEN)  PRMU2019-49 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have been investigating a method to extract structural information of handwritten chinese characters, realizing how to recognize handwritten characters contained in images such as photographs. We already proposed the method using local features and an approximation of line segments, and verified that it is useful to recognize hiragana and chinese characters with few strokes. But it isn't achieved to obtain a sufficient recognition accuracy for chinese characters with a complicated structure, because it was difficult to extract the exact character structure. On the other hand, in topology, if there is a continuous mapping between two polyhedra, it is known that the simplicial approximation exists between their simplicial decompositions and that its existence guarantees these polyhedra are homeomorphic. In this research, regarding the character images as two-dimensional polyhedra, we try to extract structural information of characters by constructing simplicial approximation using feature points and their features obtained from scale space, and verify the proposed method by recognition experiments. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | simplicial complex / simplicial approximation / extraction of character structure / local feature / handwritten chinese character recognition / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 347, PRMU2019-49, pp. 17-21, Dec. 2019. | |
| Paper # | PRMU2019-49 | |
| Date of Issue | 2019-12-12 (PRMU) | |
| ISSN | 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 | PRMU2019-49 |
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| Conference Information | |
| Committee | PRMU |
| Conference Date | 2019-12-19 - 2019-12-20 |
| 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 | 2019-12-PRMU |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on the Extraction Method of Handwritten Chinese Character's Structure Using the Simplicial Complex and Simplicial Approximation |
| Sub Title (in English) | |
| Keyword(1) | simplicial complex |
| Keyword(2) | simplicial approximation |
| Keyword(3) | extraction of character structure |
| Keyword(4) | local feature |
| Keyword(5) | handwritten chinese character recognition |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Masato Suzuki |
| 1st Author's Affiliation | National Institute of Technology, Tokyo College (Tokyo KOSEN) |
| 2nd Author's Name | Daisuke Kitakoshi |
| 2nd Author's Affiliation | National Institute of Technology, Tokyo College (Tokyo KOSEN) |
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| Speaker | Author-1 |
| Date Time | 2019-12-19 11:15:00 |
| Presentation Time | 15 minutes |
| Registration for | PRMU |
| Paper # | PRMU2019-49 |
| Volume (vol) | vol.119 |
| Number (no) | no.347 |
| Page | pp.17-21 |
| #Pages | 5 |
| Date of Issue | 2019-12-12 (PRMU) |
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