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| Presentation | 2013-01-24 11:40 Aerial Handwritten Character Recognition using 2D Acceleration Information and 1D Pen Tilt Information Yukari Otsubo, Mitsuru Nakai (Toyama Pref. Univ.)  PRMU2012-112 MVE2012-77 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents an aerial handwritten character recognitionsystem, in which a three-dimensional accelerometer is used for sensing handwriting motions. Although the character is written in the air, it seems reasonable to be assumed that the pen-tip moves on some two-dimensional plane. However, it is difficult to recognize '0' and '6' by using only two-dimensional acceleration signal. To solve this problem, we utilize an acceleration signal toward the pen-tip direction as pen-tilt information. In our proposed method, handwritings are modeled by multi-stream HMMs, which have two streams of writing acceleration feature and pen-tilt acceleration feature. In experiments, correct recognition rate became at maximum when stream-weight was set to 0.5 in numeral character recognition, and 0.4 in hiragana character recognition. Furthermore, we have obtained a possibility that error reduction rate will be about 80%, if stream weight can be adjusted for each handwritten characters respectively. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | handwritten character recognition / aerial handwritten / aerial handwriting / HMM / pen tilt / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 385, PRMU2012-112, pp. 263-268, Jan. 2013. | |
| Paper # | PRMU2012-112 | |
| Date of Issue | 2013-01-16 (PRMU, 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 | PRMU2012-112 MVE2012-77 |
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| Conference Information | |
| Committee | PRMU MVE IPSJ-CVIM |
| Conference Date | 2013-01-23 - 2013-01-24 |
| 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 | 2013-01-PRMU-MVE-CVIM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Aerial Handwritten Character Recognition using 2D Acceleration Information and 1D Pen Tilt Information |
| Sub Title (in English) | |
| Keyword(1) | handwritten character recognition |
| Keyword(2) | aerial handwritten |
| Keyword(3) | aerial handwriting |
| Keyword(4) | HMM |
| Keyword(5) | pen tilt |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yukari Otsubo |
| 1st Author's Affiliation | Toyama Prefectural University Graduate School (Toyama Pref. Univ.) |
| 2nd Author's Name | Mitsuru Nakai |
| 2nd Author's Affiliation | Toyama Prefectural University Graduate School (Toyama Pref. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-01-24 11:40:00 |
| Presentation Time | 30 minutes |
| Registration for | PRMU |
| Paper # | PRMU2012-112, MVE2012-77 |
| Volume (vol) | vol.112 |
| Number (no) | no.385(PRMU), no.386(MVE) |
| Page | pp.263-268 |
| #Pages | 6 |
| Date of Issue | 2013-01-16 (PRMU, MVE) |
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