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| Presentation | 2013-07-11 10:40 An Integerization of Tone Mapping for HDR Images in OpenEXR Tatsuya Murofushi, Toshiyuki Dobashi (Tokyo Metro. Univ.), Masahiro Iwahashi (Nagaoka Univ. of Tech.), Hitoshi Kiya (Tokyo Metro. Univ.)  CAS2013-6 VLD2013-16 SIP2013-36 MSS2013-6 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes a new tone mapping operation with integer input and integer output. High dynamic range (HDR) images cannot be displayed with conventional display devices directly. Therefore, a tone mapping operation (TMO) is necessary to generate a low dynamic range (LDR) image. Since pixel values of an HDR image are generally expressed in a floating point data format, a TMO is also implemented in floating point calculations. However, it requires huge memory space and computational cost. We treat a floating point number as two integers corresponding to the exponent part and the mantissa part. These two integers are utilized as the input-output of a TMO. As a result, Our method can reduce the memory space required for a TMO. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | high dynamic range / tone mapping / integerization / OpenEXR / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 120, SIP2013-36, pp. 31-36, July 2013. | |
| Paper # | SIP2013-36 | |
| Date of Issue | 2013-07-04 (CAS, VLD, SIP, MSS) | |
| 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 | CAS2013-6 VLD2013-16 SIP2013-36 MSS2013-6 |
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| Conference Information | |
| Committee | SIP CAS MSS VLD |
| Conference Date | 2013-07-11 - 2013-07-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumamoto Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | System, signal processing and related topics |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2013-07-SIP-CAS-MSS-VLD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Integerization of Tone Mapping for HDR Images in OpenEXR |
| Sub Title (in English) | |
| Keyword(1) | high dynamic range |
| Keyword(2) | tone mapping |
| Keyword(3) | integerization |
| Keyword(4) | OpenEXR |
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| 1st Author's Name | Tatsuya Murofushi |
| 1st Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
| 2nd Author's Name | Toshiyuki Dobashi |
| 2nd Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
| 3rd Author's Name | Masahiro Iwahashi |
| 3rd Author's Affiliation | Nagaoka University of Techinology (Nagaoka Univ. of Tech.) |
| 4th Author's Name | Hitoshi Kiya |
| 4th Author's Affiliation | Tokyo Metropolitan University (Tokyo Metro. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-07-11 10:40:00 |
| Presentation Time | 20 minutes |
| Registration for | SIP |
| Paper # | CAS2013-6, VLD2013-16, SIP2013-36, MSS2013-6 |
| Volume (vol) | vol.113 |
| Number (no) | no.118(CAS), no.119(VLD), no.120(SIP), no.121(MSS) |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2013-07-04 (CAS, VLD, SIP, MSS) |
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