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| Paper Abstract and Keywords | ||
| Presentation | 2012-03-01 14:45 Improvement of Unsupervised Design Method of Weighted Median Filters Using Genetic Algorithm Yoshiko Hanada, Mitsuji Muneyasu, Akira Asano (Kansai Univ.)  SIS2011-62 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Estimation of a suitable window shape and appropriate weights in weighted median filters is one of important problems. In this study, we formulate the design of weighted median filter as an optimization problem, and estimate optimal filters directly from degraded images. In our previous work, we estimated optimal window shapes and weights by using a Genetic Algorithm (GA) with a fixed size of window as a constraint in optimization. To determine an appropriate window size is difficult but essential since it depends on both a type of texture and a noise rate. Here, we optimize weighted median filters without the constraint in the size of filters. Numerical experiments show that designed filters outperform the filters obtained by our previous approach. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | texture images / impulse noise / weighted median filter / genetic algorithm / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 457, SIS2011-62, pp. 49-54, March 2012. | |
| Paper # | SIS2011-62 | |
| Date of Issue | 2012-02-23 (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 | SIS2011-62 |
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| Conference Information | |
| Committee | SIS |
| Conference Date | 2012-03-01 - 2012-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shibuya Satellite Class, Tokyo City Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Soft Computing, etc. |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2012-03-SIS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improvement of Unsupervised Design Method of Weighted Median Filters Using Genetic Algorithm |
| Sub Title (in English) | |
| Keyword(1) | texture images |
| Keyword(2) | impulse noise |
| Keyword(3) | weighted median filter |
| Keyword(4) | genetic algorithm |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Yoshiko Hanada |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Mitsuji Muneyasu |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
| 3rd Author's Name | Akira Asano |
| 3rd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-03-01 14:45:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2011-62 |
| Volume (vol) | vol.111 |
| Number (no) | no.457 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2012-02-23 (SIS) |
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