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| Presentation | 2017-12-15 10:50 A Proposal of Illuminant Color Estimation Method Based on Pseudo Specular Reflection Detection Daiki Moriyama, Yoshiaki Ueda (Yamaguchi Univ.), Takanori Koga (NIT, Tokuyama College), Noriaki Suetake, Eiji Uchino (Yamaguchi Univ.)  SIS2017-50 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | White balance (WB) is a process in order to remove unrealistic color casts so that objects which appear white in person are rendered white in color images, and is one of important techniques in the field of color image processing. To realize WB effectively, the illuminant color should be accurately estimated from a color image. In this report, we propose the illuminant color estimation method achieved by the pseudo specular reflection detection, and the color adjustment of the color image is realize by the WB based on the estimated illuminant color. In the proposed method, pixels which are brighter than neighborhood and their neighboring pixels are found at first. Then, means of their pixel values are calculated respectively, and the specular reflection is detected approximately as the difference of the means. Finally, the illuminant color is estimated as the specular reflection itself. Through the experiment using various digital color images, it is shown that the proposed method can estimate the illuminant color better than the conventional methods. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Specular reflection / White balance / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 349, SIS2017-50, pp. 95-100, Dec. 2017. | |
| Paper # | SIS2017-50 | |
| Date of Issue | 2017-12-07 (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 | SIS2017-50 |
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| Conference Information | |
| Committee | SIS |
| Conference Date | 2017-12-14 - 2017-12-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tottori Prefectural Center for Lifelong Learning |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | System on Silicon, Short Range Wireless Systems, etc. |
| Paper Information | |
| Registration To | SIS |
| Conference Code | 2017-12-SIS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Proposal of Illuminant Color Estimation Method Based on Pseudo Specular Reflection Detection |
| Sub Title (in English) | |
| Keyword(1) | Specular reflection |
| Keyword(2) | White balance |
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| 1st Author's Name | Daiki Moriyama |
| 1st Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 2nd Author's Name | Yoshiaki Ueda |
| 2nd Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 3rd Author's Name | Takanori Koga |
| 3rd Author's Affiliation | National Institute of Technology, Tokuyama College (NIT, Tokuyama College) |
| 4th Author's Name | Noriaki Suetake |
| 4th Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 5th Author's Name | Eiji Uchino |
| 5th Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-12-15 10:50:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2017-50 |
| Volume (vol) | vol.117 |
| Number (no) | no.349 |
| Page | pp.95-100 |
| #Pages | 6 |
| Date of Issue | 2017-12-07 (SIS) |
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