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| Presentation | 2022-05-19 10:40 N-white balancing: white balance adjustment for adjusting multi-illuminant scenes Teruaki Akazawa, Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro. Univ.)  SIP2022-5 BioX2022-5 IE2022-5 MI2022-5 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents a novel white balance adjustment for multi-illuminant scenes, called ``N-white balancing.'' N is the number of white points (i.e., the colors of white regions with remaining lighting effects) in an image. Most white balance adjustments focus on correcting single-illuminant scenes, so they cannot adjust multiple white points under multi-illuminant scenes. There are several state-of-the-art methods for adjusting multi-illuminant scenes, but they need to know the number of light sources or the number of divisions of an image (i.e., the number of segments) in advance. In comparison, N-white balancing can adjust multi-illuminant scenes even when we do not know the exact number of light sources or segments in a scene. In an experiment, we evaluated the color correction performance of the proposed method under various N. In addition, we confirmed that the proposed method was effective in improving the accuracy of object detection using template matching. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Color Image Processing / Color Constancy / Multiple illuminant / White Balance Adjustment / Color Correction / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 30, IE2022-5, pp. 25-30, May 2022. | |
| Paper # | IE2022-5 | |
| Date of Issue | 2022-05-12 (SIP, BioX, IE, MI) | |
| ISSN | 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 | SIP2022-5 BioX2022-5 IE2022-5 MI2022-5 |
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| Conference Information | |
| Committee | SIP BioX IE MI ITE-IST ITE-ME |
| Conference Date | 2022-05-19 - 2022-05-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumamoto University Kurokami Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2022-05-SIP-BioX-IE-MI-IST-ME |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | N-white balancing: white balance adjustment for adjusting multi-illuminant scenes |
| Sub Title (in English) | |
| Keyword(1) | Color Image Processing |
| Keyword(2) | Color Constancy |
| Keyword(3) | Multiple illuminant |
| Keyword(4) | White Balance Adjustment |
| Keyword(5) | Color Correction |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Teruaki Akazawa |
| 1st Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
| 2nd Author's Name | Yuma Kinoshita |
| 2nd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
| 3rd Author's Name | Hitoshi Kiya |
| 3rd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-05-19 10:40:00 |
| Presentation Time | 20 minutes |
| Registration for | IE |
| Paper # | SIP2022-5, BioX2022-5, IE2022-5, MI2022-5 |
| Volume (vol) | vol.122 |
| Number (no) | no.28(SIP), no.29(BioX), no.30(IE), no.31(MI) |
| Page | pp.25-30 |
| #Pages | 6 |
| Date of Issue | 2022-05-12 (SIP, BioX, IE, MI) |
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