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| Presentation | 2009-10-08 16:00 Image gamut expansion using the properties of brightness perception Yoshie Imai, Toshimitsu Kaneko, Masahiro Baba, Goh Itoh (Toshiba)  EID2009-26 Link to ES Tech. Rep. Archives: EID2009-26 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the color gamut of display is becoming wider and wider while that of input image is still narrow. When the input image gamut is expanded by increasing chroma value keeping hue and brightness values, the displayed color is sometimes felt unnaturally. Therefore, we focus attention on Helmholtz-Kohlrausch effect. We performed subjective assessments that estimate a range of colors in which human does not feel brightness differences. To realize wide and natural color gamut expansion, this paper proposes a method which stretches the color gamut as wide as possible keeping the transformed color in the estimated range. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | gamut expansion / Helmholtz-Kohlrausch effect / brightness perception / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, pp. 33-36, Oct. 2009. | |
| Paper # | ||
| Date of Issue | 2009-10-01 (EID) | |
| 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 | EID2009-26 Link to ES Tech. Rep. Archives: EID2009-26 |
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| Conference Information | |
| Committee | ITE-IDY EID ITE-HI ITE-3DMT LSJ IEE-OQD |
| Conference Date | 2009-10-08 - 2009-10-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ITE-IDY |
| Conference Code | 2009-10-IDY-EID-HI-3DIT-LSJ-OQD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Image gamut expansion using the properties of brightness perception |
| Sub Title (in English) | |
| Keyword(1) | gamut expansion |
| Keyword(2) | Helmholtz-Kohlrausch effect |
| Keyword(3) | brightness perception |
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| 1st Author's Name | Yoshie Imai |
| 1st Author's Affiliation | Toshiba R&D Center (Toshiba) |
| 2nd Author's Name | Toshimitsu Kaneko |
| 2nd Author's Affiliation | Toshiba R&D Center (Toshiba) |
| 3rd Author's Name | Masahiro Baba |
| 3rd Author's Affiliation | Toshiba R&D Center (Toshiba) |
| 4th Author's Name | Goh Itoh |
| 4th Author's Affiliation | Toshiba R&D Center (Toshiba) |
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| Speaker | Author-1 |
| Date Time | 2009-10-08 16:00:00 |
| Presentation Time | 30 minutes |
| Registration for | ITE-IDY |
| Paper # | EID2009-26 |
| Volume (vol) | vol.109 |
| Number (no) | no.223 |
| Page | pp.33-36 |
| #Pages | 4 |
| Date of Issue | 2009-10-01 (EID) |
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