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| Presentation | 2008-03-13 15:35 Data Detection from Data Embedding Printing Images Using Cellular Phones with a Camera Kouji Nakanishi, Mitsuji Muneyasu (Kansai Univ.)  SIS2007-77 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, several data extraction methods from data embedding printing images have been proposed. In these techniques, availability of a camera in cellular phones as a sensing device is one of important factors. This paper proposes improvement of the data embedding and detection method for the printing image, which can use the camera in the cellular phones. The proposed correction algorithm based on a perspective transformation to the scanning of the printing images can reduce the geometrical deformation by the camera. The proposed method is based on a diffusion method for embedding data and a new embedding position of the diffused data and a gain control method are also proposed. From experiment results, effectiveness of the proposed method for the grayscale and color images is shown. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | cellular phone / data embedding / perspective transform / deformation correctio / gain control / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 547, SIS2007-77, pp. 51-56, March 2008. | |
| Paper # | SIS2007-77 | |
| Date of Issue | 2008-03-06 (SIS) | |
| 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 | SIS2007-77 |
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| Conference Information | |
| Committee | SIS |
| Conference Date | 2008-03-13 - 2008-03-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Musashi Institute of Technology(Setagaya) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2008-03-SIS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Data Detection from Data Embedding Printing Images Using Cellular Phones with a Camera |
| Sub Title (in English) | |
| Keyword(1) | cellular phone |
| Keyword(2) | data embedding |
| Keyword(3) | perspective transform |
| Keyword(4) | deformation correctio |
| Keyword(5) | gain control |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kouji Nakanishi |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Mitsuji Muneyasu |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2008-03-13 15:35:00 |
| Presentation Time | 25 minutes |
| Registration for | SIS |
| Paper # | SIS2007-77 |
| Volume (vol) | vol.107 |
| Number (no) | no.547 |
| Page | pp.51-56 |
| #Pages | 6 |
| Date of Issue | 2008-03-06 (SIS) |
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