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| Presentation | 2013-07-26 13:30 Reconstraction simulation for segmentalized base holograms on discrete cosine transform Syuntarou Ohkouchi, Masahiro Daibo (Iwate Univ.)  IMQ2013-5 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Since holography reconstructs the wavefront which is almost identical from real objects, a hologram must be an ideal three-dimensional display. On the other hand, holography requires light modulation device, which the aperture dimention is weve length scale and the number of pixels are very large to diffract light. Such optical modulation device is difficult both to fabricate and to electrically control. In addition, due to the large number of pixels of a hologram, enormous calculation was required for each new picture. To solve these problems, we have proposed a method for synthesizing 3-dimensional image by superposition of holograms that can reproduce the basis of the discrete cosine transform. In our previous work, the reconstruction simulation was executed smaller scale to confirm fundamental idea. We increase simulation scale for practical size of image by using a matrix expression in this time. Reconstructed image quality was investigated with changing the number of pixels from $128 × 128$ pixels to $1024 × 1024$ pixels of the base hologram. High-quality image was obtained when the number of pixels of hologram is equal to $512 × 512$ pixels or more. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | hologram / discrete cosine transform / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 164, IMQ2013-5, pp. 1-4, July 2013. | |
| Paper # | IMQ2013-5 | |
| Date of Issue | 2013-07-19 (IMQ) | |
| 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 | IMQ2013-5 |
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| Conference Information | |
| Committee | IMQ |
| Conference Date | 2013-07-26 - 2013-07-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Iwate University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Computer Graphics, etc |
| Paper Information | |
| Registration To | IMQ |
| Conference Code | 2013-07-IMQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Reconstraction simulation for segmentalized base holograms on discrete cosine transform |
| Sub Title (in English) | |
| Keyword(1) | hologram |
| Keyword(2) | discrete cosine transform |
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| 1st Author's Name | Syuntarou Ohkouchi |
| 1st Author's Affiliation | Iwate University (Iwate Univ.) |
| 2nd Author's Name | Masahiro Daibo |
| 2nd Author's Affiliation | Iwate University (Iwate Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-07-26 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | IMQ |
| Paper # | IMQ2013-5 |
| Volume (vol) | vol.113 |
| Number (no) | no.164 |
| Page | pp.1-4 |
| #Pages | 4 |
| Date of Issue | 2013-07-19 (IMQ) |
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