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| Presentation | 2011-02-21 09:30 Lossless coding of 4 colors RAW image using integer orthogonal transform Wataru Otake, Masanori Ogawa, Masahiro Iwahashi (Nagaoka Univ.)  ITS2010-29 IE2010-104 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This report proposes a lossless coding of 4 color RAW images using an integer orthogonal transform. Recently, the 4 color RAW image is becoming a new standard in high class digital cameras. However, when the reversible 4 point KLT is applied to a 4 color RAW image, computational cost for calculating eigenvalue and avoiding singular points becomes much higher. In this report, we apply the two point reversible Haar transform to G0 and G1, and apply the three point reversible KLT. Experimental results indicate that the proposed method achieves higher coding performance with lower computational cost. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | RAW / KLT / lossless / color / singular point / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 421, IE2010-104, pp. 1-6, Feb. 2011. | |
| Paper # | IE2010-104 | |
| Date of Issue | 2011-02-14 (ITS, IE) | |
| 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 | ITS2010-29 IE2010-104 |
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| Conference Information | |
| Committee | ITS IE ITE-AIT ITE-HI ITE-ME |
| Conference Date | 2011-02-21 - 2011-02-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2011-02-ITS-IE-AIT-HI-ME |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Lossless coding of 4 colors RAW image using integer orthogonal transform |
| Sub Title (in English) | |
| Keyword(1) | RAW |
| Keyword(2) | KLT |
| Keyword(3) | lossless |
| Keyword(4) | color |
| Keyword(5) | singular point |
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| Keyword(8) | |
| 1st Author's Name | Wataru Otake |
| 1st Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ.) |
| 2nd Author's Name | Masanori Ogawa |
| 2nd Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ.) |
| 3rd Author's Name | Masahiro Iwahashi |
| 3rd Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-02-21 09:30:00 |
| Presentation Time | 25 minutes |
| Registration for | IE |
| Paper # | ITS2010-29, IE2010-104 |
| Volume (vol) | vol.110 |
| Number (no) | no.420(ITS), no.421(IE) |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2011-02-14 (ITS, IE) |
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