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| Paper Abstract and Keywords | ||
| Presentation | 2020-06-03 13:00 Luminance-Independent Hue Image Generation Method Based on CIELAB Color Space Yuma Kinoshita, Hitoshi Kiya (Tokyo Metro. Univ.)  SIS2020-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose luminance-independent hue-image generation method based on the CIELAB color space, from RAW images taken by commonly-used digital cameras. The color constancy of human vision has not been reproduced on a computer yet. In other words, colors of images captured by cameras are affected by lighting conditions at the time of shooting. Furthermore, non-linear operations in the cameras change colors of resulting RGB images. In the proposed method, the white balance is adjusted precisely according to a lighting condition of scene and then the brightness and saturation in CIELAB color space are equalized. The proposed method enables us to display the hue information of a scene appropriately on a typical display because pixel values are processed in the proposed method so that all pixel values of a final hue image are within the sRGB color gamut. A hue image generation experiment using two pairs of real images show that the proposed method can produce a hue image without the effect of luminance. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Color Image Processing / Color Cnstancy / CIELAB Color Space / RGB Color Space / Hue Image / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 51, SIS2020-1, pp. 1-6, June 2020. | |
| Paper # | SIS2020-1 | |
| Date of Issue | 2020-05-27 (SIS) | |
| 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 | SIS2020-1 |
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| Conference Information | |
| Committee | SIS IPSJ-AVM ITE-3DMT |
| Conference Date | 2020-06-03 - 2020-06-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| 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 | 2020-06-SIS-AVM-3DIT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Luminance-Independent Hue Image Generation Method Based on CIELAB Color Space |
| Sub Title (in English) | |
| Keyword(1) | Color Image Processing |
| Keyword(2) | Color Cnstancy |
| Keyword(3) | CIELAB Color Space |
| Keyword(4) | RGB Color Space |
| Keyword(5) | Hue Image |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuma Kinoshita |
| 1st Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
| 2nd Author's Name | Hitoshi Kiya |
| 2nd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-06-03 13:00:00 |
| Presentation Time | 20 minutes |
| Registration for | SIS |
| Paper # | SIS2020-1 |
| Volume (vol) | vol.120 |
| Number (no) | no.51 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2020-05-27 (SIS) |
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