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| Presentation | 2019-06-13 14:45 A Proposal of Improvement Method of Local Color Correction Seiichi Kojima (Yamaguchi Univ.), Yoshiaki Ueda (Fukuoka Univ.), Noriaki Suetake, Eiji Uchino (Yamaguchi Univ.)  SIS2019-7 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is difficult to take good pictures, when the scene has both of bright and dark regions. The visibility of the picture will be low, because dark regions are underexposure and bright regions are overexposure. N.Moroney proposed Local Color Correction(LCC) to improve the quality of such an image. LCC is a simple and effective method. However, it has some problems. Firstly, the scope of appropriate parameters for adjusting brightness is narrow. Secondly, although appropriate parameters of Gaussian filter are different for detail regions and other regions, only one parameter is adopted for entire image. Thirdly, LCC causes halo artifact. In this report, we propose an improvement method of LCC. In the proposed method, the intensity transform function is changed, different parameters are adopted for detail regions and other regions respectively and cross bilateral filter is used to prevent halo artifact. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | image enhancement / gamma correction / smoothing / cross bilateral filter / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 78, SIS2019-7, pp. 35-40, June 2019. | |
| Paper # | SIS2019-7 | |
| Date of Issue | 2019-06-06 (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 | SIS2019-7 |
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| Conference Information | |
| Committee | SIS IPSJ-AVM ITE-3DMT |
| Conference Date | 2019-06-13 - 2019-06-14 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Fukue Culture Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Intelligent Multimedia Systems, Applied Enbedded Systems, Three-Dimensional Image Technology (3DIT), etc. |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2019-06-SIS-AVM-3DIT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Proposal of Improvement Method of Local Color Correction |
| Sub Title (in English) | |
| Keyword(1) | image enhancement |
| Keyword(2) | gamma correction |
| Keyword(3) | smoothing |
| Keyword(4) | cross bilateral filter |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Seiichi Kojima |
| 1st Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 2nd Author's Name | Yoshiaki Ueda |
| 2nd Author's Affiliation | Fukuoka University (Fukuoka Univ.) |
| 3rd Author's Name | Noriaki Suetake |
| 3rd Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 4th Author's Name | Eiji Uchino |
| 4th Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-06-13 14:45:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2019-7 |
| Volume (vol) | vol.119 |
| Number (no) | no.78 |
| Page | pp.35-40 |
| #Pages | 6 |
| Date of Issue | 2019-06-06 (SIS) |
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