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| Presentation | 2014-10-15 13:45 High Contrast Projection Display with Spatio-temporal Screen Reflectance Modulation by Photochromism Shoichi Takeda, Daisuke Iwai, Kosuke Sato (Osaka Univ.)  EID2014-9 Link to ES Tech. Rep. Archives: EID2014-9 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We present the concept and the first implementation of high contrast projection display with spatio-temporal screen reflectance modulation by photochromism. We construct a projection display whose contrast does not decrease even under ambient light such as environmental light or inter-reflection. We use a photochromic compound (PhC) which changes its color chemically when irradiated with UV light. A PhC painted on a screen surface can modulate its reflectance spatially by illuminating UV light from a UV-LED array. We project an image from a visible projector onto the surface, therefore the contrast is increased. The experiment using the prototype system shows that the contrast achieves about three times higher than a projection-only system under environmental light. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | virtual reality / high contrast projection / UV / photochromism / reflectance modulation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 248, EID2014-9, pp. 5-8, Oct. 2014. | |
| Paper # | EID2014-9 | |
| Date of Issue | 2014-10-08 (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 | EID2014-9 Link to ES Tech. Rep. Archives: EID2014-9 |
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| Conference Information | |
| Committee | EID ITE-IDY ITE-HI ITE-3DMT IEE-OQD SID-JC |
| Conference Date | 2014-10-15 - 2014-10-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Imaging Technology |
| Paper Information | |
| Registration To | EID |
| Conference Code | 2014-10-EID-IDY-HI-3DIT-OQD-JC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | High Contrast Projection Display with Spatio-temporal Screen Reflectance Modulation by Photochromism |
| Sub Title (in English) | |
| Keyword(1) | virtual reality |
| Keyword(2) | high contrast projection |
| Keyword(3) | UV |
| Keyword(4) | photochromism |
| Keyword(5) | reflectance modulation |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shoichi Takeda |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Daisuke Iwai |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
| 3rd Author's Name | Kosuke Sato |
| 3rd Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-10-15 13:45:00 |
| Presentation Time | 30 minutes |
| Registration for | EID |
| Paper # | EID2014-9 |
| Volume (vol) | vol.114 |
| Number (no) | no.248 |
| Page | pp.5-8 |
| #Pages | 4 |
| Date of Issue | 2014-10-08 (EID) |
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