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| Presentation | 2010-03-16 15:05 Removal of Show-through in Duplex Scanned Image by Transformation of Pixel Intensity Distribution Sandy Halim, Toshikazu Wada (Wakayama Univ.)  PRMU2009-317 HIP2009-202 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In scanning duplex printed documents, show-through may degrade the image quality and character recognition rate. Show-through is a common phenomenon where the texts or images on one side is contaminated and appear on the other side. Since two images printed on both sides are essentially independent, this problem is a Blind Source Separation problem and one may think that Independent Component Analysis (ICA) can be applied for separating two images. However, ICA cannot produce show-through corrected images due to the frequent occurrence of the intensity pairs in the 2D space spanned by front side and backside intensities. In this report, we propose a show-through removal method using duplex scanned images by performing clustering and direct transformation of the 2D intensity distribution in order to make frontside and backside distribution independent. Through the separation experiments, we confirmed that our method performs well for removing show-through. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Image separation / Show-through / Scanned images / Independent Component Analysis / Clustering / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 470, PRMU2009-317, pp. 495-500, March 2010. | |
| Paper # | PRMU2009-317 | |
| Date of Issue | 2010-03-08 (PRMU, HIP) | |
| 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 | PRMU2009-317 HIP2009-202 |
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| Conference Information | |
| Committee | PRMU HIP |
| Conference Date | 2010-03-15 - 2010-03-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kagoshima Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | PRMU |
| Conference Code | 2010-03-PRMU-HIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Removal of Show-through in Duplex Scanned Image by Transformation of Pixel Intensity Distribution |
| Sub Title (in English) | |
| Keyword(1) | Image separation |
| Keyword(2) | Show-through |
| Keyword(3) | Scanned images |
| Keyword(4) | Independent Component Analysis |
| Keyword(5) | Clustering |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Sandy Halim |
| 1st Author's Affiliation | Wakayama University (Wakayama Univ.) |
| 2nd Author's Name | Toshikazu Wada |
| 2nd Author's Affiliation | Wakayama University (Wakayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-03-16 15:05:00 |
| Presentation Time | 25 minutes |
| Registration for | PRMU |
| Paper # | PRMU2009-317, HIP2009-202 |
| Volume (vol) | vol.109 |
| Number (no) | no.470(PRMU), no.471(HIP) |
| Page | pp.495-500 |
| #Pages | 6 |
| Date of Issue | 2010-03-08 (PRMU, HIP) |
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