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| Presentation | 2007-10-18 10:50 Image compression using nonlinear prediction by RBF networks and DPCM Keisuke Narisawa, Takashi Hoshino, Tohru Ikeguchi (Saitama Univ.)  CAS2007-39 NLP2007-67 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Differential pulse code modulation (DPCM) is one of the most famous methods to realize lossless image compression. Due to strong autocorrelation structures in image data, the DPCM reduces redundancy of information in the image data and exhibits good compression performance. However, the prediction accuracy of the DPCM becomes worse around edges of the image because the DPCM uses a linear function to predict pixel values. To avoid such worse situation, we propose a new method which combines a radial basis function (RBF) network and the DPCM. The RBF network is a nonlinear prediction method. As a result, the proposed method shows higher prediction accuracy and compression rate than the original DPCM. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | DPCM / RBF / image compression / nonlinear prediction / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 266, NLP2007-67, pp. 25-30, Oct. 2007. | |
| Paper # | NLP2007-67 | |
| Date of Issue | 2007-10-11 (CAS, NLP) | |
| 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 | CAS2007-39 NLP2007-67 |
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| Conference Information | |
| Committee | CAS NLP |
| Conference Date | 2007-10-18 - 2007-10-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Musashi Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NLP |
| Conference Code | 2007-10-CAS-NLP |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Image compression using nonlinear prediction by RBF networks and DPCM |
| Sub Title (in English) | |
| Keyword(1) | DPCM |
| Keyword(2) | RBF |
| Keyword(3) | image compression |
| Keyword(4) | nonlinear prediction |
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| Keyword(8) | |
| 1st Author's Name | Keisuke Narisawa |
| 1st Author's Affiliation | Saitama University (Saitama Univ.) |
| 2nd Author's Name | Takashi Hoshino |
| 2nd Author's Affiliation | Saitama University (Saitama Univ.) |
| 3rd Author's Name | Tohru Ikeguchi |
| 3rd Author's Affiliation | Saitama University (Saitama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-10-18 10:50:00 |
| Presentation Time | 20 minutes |
| Registration for | NLP |
| Paper # | CAS2007-39, NLP2007-67 |
| Volume (vol) | vol.107 |
| Number (no) | no.264(CAS), no.266(NLP) |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2007-10-11 (CAS, NLP) |
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